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Home  >  Outboard  >  Yamaha Outboard  >  Engine Rebuild Parts by Model | Yamaha Outboard  >  F115 Inline 4 Engine Rebuild | Yamaha Outboard

Shop Yamaha F115 inline 4-cylinder outboard engine rebuild parts for powerhead repair and complete engine rebuild projects. Find pistons, rings, cylinder sleeves, engine bearings, connecting rods, gasket kits, valves, seats, springs, and related internal engine components.

Always confirm your Yamaha F115 model code, serial number, and OEM part number before ordering internal engine parts.

Shop Yamaha F115 Engine Rebuild Categories

Tip: Yamaha F115 engines can use different internal components depending on model code and production range. Verify the exact engine and OEM part number before ordering rebuild parts.

Common Yamaha F115 Rebuild Parts
  • Pistons and piston ring sets
  • Cylinder sleeves
  • Connecting rod and main bearings
  • Connecting rods and rod bolts
  • Engine gaskets and powerhead gasket kits
  • Intake and exhaust valves
  • Valve seats and valve springs
Choosing the Correct Yamaha F115 Rebuild Parts

Do not select internal engine parts by horsepower alone. Different Yamaha F115 model families and production ranges may use different pistons, rings, bearings, rods, gaskets, or valvetrain components.

For best results, match parts using your Yamaha model code, serial information, and original OEM part number.

Frequently Asked Questions

What parts are commonly replaced during a Yamaha F115 rebuild?

Depending on engine condition, rebuild work may include pistons, rings, main bearings, connecting rod bearings, connecting rods, gaskets, seals, cylinder sleeves, and valvetrain components.

Can I order Yamaha F115 rebuild parts by horsepower alone?

No. Use the engine model code, serial number, and OEM part number whenever possible because different F115 applications may use different internal components.

Should the cylinders and crankshaft be measured before ordering parts?

Yes. Cylinder bore condition, piston clearance, crankshaft journals, and bearing clearances should be inspected and measured before selecting final rebuild components.

Helpful Links

Back to Yamaha Engine Rebuild Parts by Model

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Yamaha F115 Rod Bearing Set 4CYLSSROD

One-Size Fits all Pro Marine Rod Bearings - No Color Codes

Pro Marine Yamaha 4-Stroke Rod Bearing Set

Yamaha F115 4-Stroke Rod Bearing Set - 4CYLSSROD

The Pro Marine 4CYLSSROD Rod Bearing Set is designed for Yamaha 4-stroke F115 outboard rebuilds. These Pro Marine Yamaha 4-stroke bearings help simplify engine assembly because you do not need to select Yamaha bearing color codes or use Plastigauge for sizing.

With Pro Marine Yamaha 4-stroke bearings, the rod bearings are one-size-fit-all for the listed application. This makes them a practical choice for powerhead rebuilds, crankshaft service, and connecting rod bearing replacement.

Required Oil - Yamaha FC-W 20W40

You must use Yamaha FC-W 20W40 engine oil when using these Pro Marine Yamaha 4-stroke rod bearings.

This oil requirement applies to the Pro Marine Yamaha 4-stroke rod bearing sets and the matching main bearing set. Do not substitute a different oil viscosity when assembling or running these bearings.

Compatible Applications

Engine Family Application
Yamaha F115 4-Stroke Rod bearing set
Important Fitment Note:

This rod bearing set is for Yamaha 4-stroke F115 applications using the matching Pro Marine bearing system. Always verify your Yamaha model, serial number, and original OEM bearing references before ordering internal engine parts.

Pro Marine Yamaha 4-stroke bearings do not require Yamaha color-code selection or Plastigauge sizing.

OEM & Cross Reference Numbers

OEM Number Type
6D8-11654-00-00Yamaha Rod Bearing Reference
6D8-11654-10-00Yamaha Rod Bearing Reference
6D8-11654-20-00Yamaha Rod Bearing Reference
6D8-11654-30-00Yamaha Rod Bearing Reference
6D8-11654-40-00Yamaha Rod Bearing Reference

Matching Main Bearing Set

Pro Marine 4CYLSSMAIN Main Bearing Set

Matching Pro Marine main bearing set for Yamaha F75-F115 4-stroke rebuilds. Use this main bearing set with the correct rod bearing set when servicing the crankshaft and connecting rods.

View 4CYLSSMAIN Main Bearing Set

Required Yamaha FC-W 20W40 Engine Oil

This is not optional: Pro Marine requires Yamaha FC-W 20W40 engine oil when using these Yamaha 4-stroke bearings.

FC-W 20W40 Gallon

Yamaha FC-W 20W40 Engine Oil - Gallon

Required Yamaha FC-W 20W40 engine oil for use with these Pro Marine Yamaha 4-stroke rod bearings.

View Yamaha FC-W 20W40 Gallon

FC-W 20W40 Quart

Yamaha FC-W 20W40 Engine Oil - Quart

Quart-size Yamaha FC-W 20W40 oil for topping off, break-in service, or ordering the exact amount needed for your rebuild.

View Yamaha FC-W 20W40 Quart

Popular Yamaha F75-F115 Rebuild Parts

Customers rebuilding Yamaha F75-F115 4-stroke powerheads often replace related piston, ring, valve, gasket, and rod bolt components during the same repair.

STD Piston Kit

Vertex Standard Piston Kit

Standard-size piston kit for Yamaha F75-F115 rebuild work.

View Standard Piston Kit

.010 Piston Kit

Vertex .010 Oversize Piston Kit

.010 oversize piston kit for machined-cylinder rebuilds.

View .010 Oversize Piston Kit

.020 Piston Kit

Vertex .020 Oversize Piston Kit

.020 oversize piston kit for larger-bore rebuild applications.

View .020 Oversize Piston Kit

STD Ring Kit

STD OEM Ring Kit

Standard-size OEM piston ring kit for Yamaha rebuild service.

View STD OEM Ring Kit

.010 Ring Kit

.010 Oversize OEM Ring Kit

OEM .25mm / .010 oversize ring kit for oversize piston rebuilds.

View .010 Oversize OEM Ring Kit

Rod Bolt

Rod Bolt

Replacement connecting rod bolt for Yamaha F75-F115 rebuild work.

View Rod Bolt

Intake Valve

Intake Valve

Replacement intake valve, 96.9mm length and 29mm head diameter.

View Intake Valve

Intake Seal

Intake Valve Seal

Replacement intake valve seal for Yamaha 4-stroke rebuild service.

View Intake Valve Seal

Exhaust Valve

Exhaust Valve

Replacement exhaust valve, 99.3mm length and 23.9mm head diameter.

View Exhaust Valve

Exhaust Seal

Exhaust Valve Seal

Replacement exhaust valve seal for Yamaha 4-stroke rebuild service.

View Exhaust Valve Seal

Valve Spring

Valve Spring

Replacement valve spring for Yamaha F75-F115 cylinder head service.

View Valve Spring

Head Gasket

Cylinder Head Gasket

Replacement head gasket for Yamaha F75-F115 powerhead service.

View Head Gasket

Powerhead Gasket Kit

Powerhead Gasket Kit

Powerhead gasket kit for Yamaha F75-F115 rebuild and reassembly work.

View Powerhead Gasket Kit

What This Part is Used For

Rod bearings support the connecting rods on the crankshaft journals inside the Yamaha 4-stroke powerhead. During a rebuild, worn or damaged rod bearings should be replaced to help restore proper crankshaft support, oil clearance, and long-term engine reliability.

This Pro Marine rod bearing set is designed to make Yamaha F115 rebuilds more straightforward by removing the need to match Yamaha bearing color codes or measure each location with Plastigauge.

Key Features and Benefits

  • Pro Marine Yamaha 4-stroke rod bearing set
  • Part number 4CYLSSROD
  • Designed for Yamaha F115 4-stroke rebuild applications
  • One-size bearing set for the listed application
  • No Yamaha bearing color-code selection required
  • No Plastigauge needed
  • Matching 4CYLSSMAIN main bearing set linked above
  • Must be used with Yamaha FC-W 20W40 engine oil

FAQ

What engine does this rod bearing set fit?
This set is for Yamaha F115 4-stroke applications using the matching Pro Marine bearing system.

Do I need to select Yamaha bearing color codes?
No. These Pro Marine Yamaha 4-stroke bearings do not require Yamaha color-code selection.

Do I need Plastigauge?
No. Pro Marine Yamaha 4-stroke bearings do not require Plastigauge sizing.

What oil must be used with these bearings?
You must use Yamaha FC-W 20W40 engine oil. Links to the gallon and quart are included above.

Which main bearing set goes with this rod bearing set?
The matching main bearing set is 4CYLSSMAIN, linked above.

Should I verify fitment?
Yes. Always verify your Yamaha model, serial number, and internal engine part requirements before ordering rebuild components.

Dealer Discounts & Store Policies

Dealer / Marine Industry Discounts

Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.

Apply for a Dealer Account

Shipping Policy

  • Free shipping on orders over $100 continental U.S.
  • Orders ship via UPS, USPS, and FedEx.
  • Orders received before 5:30 PM EST ship the same business day.
  • Typical delivery time is 1-5 business days.

30-Day Return Policy

  • Returns accepted within 30 days of delivery.
  • Parts must be new, unused, and in original packaging.
  • Installed parts are not returnable.
  • Return authorization is required before sending items back.

Need help with a return or order question?
Contact Us
Phone: 941-721-3000

Searchable Terms

4CYLSSROD, Yamaha F115 rod bearing set, Yamaha F115 rod bearings, Yamaha 4 stroke rod bearings, Pro Marine Yamaha bearings, Yamaha no color code bearings, Yamaha no Plastigauge bearings, Yamaha F115 rebuild bearings, Yamaha connecting rod bearings, Yamaha crankshaft bearings, 4CYLSSMAIN, Yamaha main bearing set, FC2040, FC2040-QT, Yamaha FC-W 20W40 oil, 24228STD, 24228025, 24228050, 11605, 11606, RB115, 68V-12111P, A3721, 68V-12121P, A3722, 67F-12114P, 67111, 6803

Item#:
4CYLSSROD
Cross Reference#:
68V-11656-00-00
68V-11656-10-00
68V-11656-20-00
68V-11656-30-00
Manufacturer:
Pro Marine
Available:
In Stock
205.9897
Your Price:
195.00
Each

Yamaha F90 F115 Mercury 115 EFI Vertex .020 Piston 24228050

.50mm Oversize Vertex Piston for Yamaha F115 & Mercury 115 EFI

Vertex Yamaha / Mercury 4-Stroke .020 Oversize Piston Kit

Yamaha F90-F115 & Mercury 115 EFI Vertex .020 Oversize Piston Kit - 24228050

The Vertex 24228050 Piston Kit is a .020 oversize / .50mm oversize piston for select Yamaha four-stroke and Mercury 115HP EFI outboards.

Verified engine families include extensive Yamaha F115 and LF115 applications, select Yamaha F75 and F90 engines, and select Mercury 115HP EFI four-stroke outboards.

This piston is part of the same engine family as Yamaha 60C-W1164 and 68V-W1164 piston assemblies and Mercury 880895 piston assemblies.

IMPORTANT - .020 / .50MM OVERSIZE PISTON

This is NOT a standard-size piston.

The cylinder must be accurately measured and properly machined for the .020 / .50mm oversize piston before installation.

Do not install this piston into a standard 79.00mm bore.

Piston Size & Application

Specification Details
Brand Vertex
Part Number 24228050
Piston Size .020 Oversize
Metric Oversize .50mm Oversize
Nominal Diameter 79.5mm
Standard Bore Reference 79.00mm

OEM & Cross Reference Piston Family

Brand / Type Part Number
Vertex 24228050
Yamaha OEM Family60C-W1164-00-00
Yamaha OEM Family60C-W1164-01-00
Yamaha OEM Family68V-W1164-00-00
Yamaha OEM Family68V-W1164-01-00
Yamaha OEM Family68V-W1164-02-00
Mercury OEM Family880895A05
Mercury OEM Family880895A14
Mercury OEM Family880895T1

Yamaha Outboard Fitment

Engine Family Verified Applications
Yamaha F75 F75TLRB - 2003 and F75TLRC - 2004.
Yamaha F90 F90TJRB / F90TLRB - 2003 and F90TJRC / F90TLRC - 2004.
Yamaha F115 - Early Models F115TLRY / F115TXRY - 2000, F115TLRZ / F115TXRZ - 2001, F115TJRA / F115TLRA / F115TXRA - 2002, F115TJRB / F115TLRB / F115TXRB - 2003, F115TJRC / F115TLRC / F115TXRC - 2004, and F115TJRD / F115TLRD / F115TXRD - 2005.
Yamaha F115 - Later Models F115JA, F115LA, F115TJR, F115TLR, F115TXR and F115XA, including the supplied 04, 011, 061 and 0405-0411 suffix variants.
Yamaha LF115 LF115TXRY - 2000, LF115TXRZ - 2001, LF115TXRA - 2002, LF115TXRB - 2003, LF115TXRC - 2004, LF115TXRD - 2005, plus later LF115TXR and LF115XA applications.

Mercury 115HP EFI Fitment

Engine Serial Number Range
Mercury 115HP EFI 0T178500 thru 0T800999
Mercury 115HP EFI 0T801000 thru 1B226999
Mercury 115HP EFI 1B227000 thru 1B366822
Measure the Cylinder Before Ordering

Oversize piston selection should be based on actual cylinder measurements, not only on the condition of the original piston.

Measure bore diameter, taper and out-of-round condition before machining. The cylinder should then be finished to the piston manufacturer's required piston-to-wall clearance.

Other Piston Options

Vertex Std Piston Vertex Standard Piston - 24228STD

Size: 79.00mm Standard

Standard Vertex piston for compatible cylinders that remain within factory bore-size limits.

First OEM: 68V-W1164-02-00

View Vertex Standard Piston
Vertex .010 Piston Vertex .010 Oversize Piston - 24228025

Size: .010 / .25mm Oversize

Intermediate oversize Vertex option for cylinders that can be finished at .010 oversize.

First OEM Reference: 60C-W1164-10-00

View Vertex .010 Piston
Wiseco Std Piston Wiseco Standard Piston - 3207PS

Size: 79.00mm Standard

Alternate standard-size Wiseco piston for compatible Yamaha F115 and Mercury 115 EFI engine rebuilds.

View Wiseco Standard Piston
Wiseco .020 Piston Wiseco .020 Oversize Piston - 3207P2

Size: 79.5mm / .020 Oversize

Alternate .020 oversize Wiseco option for cylinders properly machined to the required finished bore.

View Wiseco .020 Piston

Yamaha OEM Piston Ring Options

Std OEM Rings Yamaha OEM Standard Ring Kit - 11605

Size: Standard 79mm

First OEM: 6D8-11603-00-00

OEM standard ring option for compatible standard-size 79mm pistons.

View Standard OEM Rings
.010 OEM Rings Yamaha OEM .25mm Oversize Ring Kit - 11606

Size: .25mm / approximately .010 Oversize

First OEM: 6D8-11604-00-00

OEM ring option for the corresponding Yamaha .25mm oversize piston configuration.

View .25mm OEM Rings

Replacement Cylinder Sleeves

If cylinder damage cannot be corrected with a .020 overbore, replacement cylinder sleeves may be required.

1185SC Sleeve Advanced Sleeve 1185SC

Straight 4-stroke cylinder sleeve for compatible engine rebuilding.

Verify sleeve dimensions, block bore and finished cylinder requirements before machining.

View 1185SC Sleeve
1185SA Sleeve Advanced Sleeve 1185SA

Alternate replacement cylinder sleeve option for compatible Yamaha / Mercury four-stroke engine rebuilds.

Compare sleeve dimensions with the block before installation.

View 1185SA Sleeve

Main & Connecting Rod Bearings

F115 Main Bearings Pro Marine Main Bearing Set - 4CYLSSMAIN

Complete one-size crankshaft main bearing set for compatible Yamaha four-cylinder engines.

First OEM Reference: 6D8-11416-00-00

Eliminates Yamaha bearing color-code selection and Plastigauge sizing.

View Main Bearing Set
F115 Rod Bearings Pro Marine F115 Rod Bearing Set - 4CYLSSROD

Complete one-size connecting rod bearing set for compatible Yamaha F115 applications.

First OEM Reference: 68V-11656-00-00

Eliminates the factory Yamaha bearing color selection process.

View Rod Bearing Set

Complete Powerhead Gasket Kit

Pro Marine Powerhead Gasket Kit - 6803

Complete gasket kit for compatible Yamaha F75-F115 powerhead rebuilds.

Recommended when the engine is disassembled for piston replacement, cylinder machining, bearing service or a complete powerhead rebuild.

OEM Families: 6D8-W0001, 67F-W0001 and 68V-W0001

View Powerhead Gasket Kit

Piston Size Guide

Finished Cylinder Size Piston Options
79.00mm Standard Vertex 24228STD or Wiseco 3207PS
.010 / .25mm Oversize Vertex 24228025
.020 / .50mm Oversize Vertex 24228050 or Wiseco 3207P2
Cylinder Requires Sleeving Inspect 1185SA / 1185SC replacement sleeve options and machine the finished cylinder to suit the selected piston.

Shop Yamaha Engine Rebuild Parts by Model

Find additional pistons, rings, bearings, valves, gaskets, sleeves and related internal engine components in Pro Marine's Yamaha Engine Rebuild Parts by Model section.

Shop Yamaha Engine Rebuild Parts by Model

When to Use a .020 Oversize Piston

A .020 oversize piston is used when cylinder wear, scoring or damage requires enough machining that the cylinder can no longer remain at standard size or .010 oversize.

Before machining, accurately measure cylinder diameter, taper and out-of-round. The finished bore must provide the correct piston-to-wall clearance for the Vertex piston.

When Should a Cylinder be Sleeved Instead?

If cylinder damage, corrosion or previous machining prevents the bore from being restored at .020 oversize, a replacement cylinder sleeve may be required.

The replacement sleeve is installed and then finished to the correct bore for whichever piston size will be used in the rebuilt engine.

Parts to Inspect During a Powerhead Rebuild

  • Cylinder bore diameter
  • Cylinder taper and out-of-round
  • Piston-to-wall clearance
  • Piston rings and ring end gap
  • Connecting rods
  • Connecting rod bolts
  • Connecting rod bearings
  • Crankshaft main bearings
  • Crankshaft journals
  • Cylinder head and valves
  • Valve stem seals
  • Oil passages and lubrication system
  • Powerhead gaskets and seals

Key Features and Benefits

  • Vertex oversize piston kit
  • Vertex part number 24228050
  • .020 / .50mm oversize
  • 79.5mm nominal piston size
  • Fits extensive Yamaha F115 and LF115 applications
  • Fits select Yamaha F75 and F90 applications
  • Fits select Mercury 115HP EFI engines
  • Vertex standard piston linked above
  • Vertex .010 oversize piston linked above
  • Wiseco standard and .020 piston alternatives linked above
  • Yamaha OEM ring options linked above
  • Replacement cylinder sleeves linked above
  • Main and connecting rod bearing sets linked above
  • Complete powerhead gasket kit linked above

FAQ

What size is Vertex 24228050?
It is a .020 / .50mm oversize piston, approximately 79.5mm.

Is 24228050 a standard-size piston?
No. The standard Vertex piston is the 24228STD 79.00mm piston linked above.

Can I install this piston in a standard cylinder?
No. The cylinder must be properly bored and finished for the .020 oversize piston.

Does this fit Yamaha F115?
Yes. The supplied engine fitment includes extensive Yamaha F115 and LF115 applications.

Does it fit Mercury 115 EFI?
Yes. Supplied Mercury fitment includes 0T178500 thru 0T800999, 0T801000 thru 1B226999, and 1B227000 thru 1B366822.

Do you have a .010 oversize piston?
Yes. The Vertex 24228025 is the .010 / .25mm oversize option.

Do you have another .020 piston option?
Yes. The Wiseco 3207P2 79.5mm piston is an alternate .020 oversize option.

What standard pistons are available?
Pro Marine stocks both the Vertex 24228STD and Wiseco 3207PS standard 79mm pistons.

Are replacement cylinder sleeves available?
Yes. Advanced Sleeve 1185SA and 1185SC options are linked above.

What main bearings are available?
The Pro Marine 4CYLSSMAIN main bearing set is linked above.

What connecting rod bearings are available?
The Pro Marine 4CYLSSROD connecting rod bearing set is linked above.

Is a complete powerhead gasket kit available?
Yes. The Pro Marine 6803 Powerhead Gasket Kit is linked above.

Dealer Discounts & Store Policies

Dealer / Marine Industry Discounts

Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.

Apply for a Dealer Account

Shipping Policy

  • Free shipping on orders over $100 continental U.S.
  • Orders received before 5:30 PM EST ship the same business day.
  • Typical delivery time is 1-5 business days.

30-Day Return Policy

  • Returns accepted within 30 days of delivery.
  • Parts must be new, unused, and in original packaging.
  • Installed parts are not returnable.
  • Return authorization is required before sending items back.

Need help with an order or return?
Contact Pro Marine
Phone: 941-721-3000

Searchable Terms

24228050, Vertex 24228050, Yamaha F115 .020 piston, Yamaha F115 .50mm piston, Yamaha F115 79.5mm piston, Yamaha F115 oversize piston, Yamaha LF115 .020 piston, Yamaha F90 oversize piston, Mercury 115 EFI .020 piston, Mercury 115 oversize piston, Mercury 115 79.5mm piston, 60C-W1164-00-00, 60C-W1164-01-00, 68V-W1164-00-00, 68V-W1164-01-00, 68V-W1164-02-00, 880895A05, 880895A14, 880895T1, Yamaha 60C-W1164, Yamaha 68V-W1164, Mercury 880895, 24228STD, Vertex standard piston, 24228025, Vertex .010 piston, 3207PS, Wiseco standard piston, 3207P2, Wiseco .020 piston, 11605, Yamaha F115 standard rings, 11606, Yamaha F115 oversize rings, 1185SA, 1185SC, Yamaha F115 cylinder sleeve, 4CYLSSMAIN, Yamaha F115 main bearings, 4CYLSSROD, Yamaha F115 rod bearings, 6803, Yamaha F115 gasket kit, Yamaha F115 engine rebuild, Mercury 115 EFI rebuild

Item#:
24228050
Manufacturer:
Vertex
Available:
In Stock
Your Price:
145.22
Each

Yamaha F75-F115 Intake Valve Stem Seal OEM K0A-A3721-00-00

Genuine Yamaha Intake Valve Seal for F75 F80 F90 F100 F115

Genuine Yamaha OEM Intake Valve Stem Seal

Yamaha F75-F115 Intake Valve Stem Seal - OEM K0A-A3721-00-00

The Yamaha K0A-A3721-00-00 Intake Valve Stem Seal is a genuine OEM replacement seal for select Yamaha four-stroke outboard cylinder heads.

Verified applications include select F75, F80, F90, F100, F115 and LF115 Yamaha four-stroke engines.

Pro Marine also stocks an aftermarket replacement, A3721, along with the matching exhaust valve seals, valve spring, intake valve and exhaust valve used during cylinder-head rebuilding.

Genuine Yamaha OEM Intake Valve Seal

OEM Number: K0A-A3721-00-00
Application: Intake Valve Stem
Engine Families: Yamaha F75-F115 and LF115

OEM Number

Brand / Type Part Number
Yamaha OEM K0A-A3721-00-00
Pro Marine Aftermarket Option A3721

Yamaha Outboard Fitment

Engine Family Verified Applications
F75 F75TLRB - 2003
F75TLRC - 2004
F75TLRD - 2005
F75LA / F75LA_0112 - 2006-Present
F75TLR / F75TLR_041 - 2006-Present
F80 F80TLRX / F80TXRX - 1999
F80TLRY / F80TXRY - 2000
F80TLRZ - 2001
F80TJRA / F80TLRA - 2002
F80TJRB / F80TLRB - 2003
F90 F90TJRB / F90TLRB - 2003
F90TJRC / F90TLRC - 2004
F90TJRD / F90TLRD / F90TXRD - 2005
F90JA / F90JA_0112 - 2006-Present
F90LA / F90LA_0112 - 2006-Present
F90TJR / F90TJR_041 - 2006-Present
F90TLR / F90TLR_041 - 2006-Present
F90TXR / F90TXR_041 - 2006-Present
F90XA / F90XA_0112 - 2006-Present
F100 F100TLRX / F100TXRX - 1999
F100TLRY / F100TXRY - 2000
F100TLRZ / F100TXRZ - 2001
F100TLRA / F100TXRA - 2002
F100TLRB / F100TXRB - 2003
F115 - Early F115TLRY / F115TXRY - 2000
F115TLRZ / F115TXRZ - 2001
F115TJRA / F115TLRA / F115TXRA - 2002
F115TJRB / F115TLRB / F115TXRB - 2003
F115TJRC / F115TLRC / F115TXRC - 2004
F115TJRD / F115TLRD / F115TXRD - 2005
F115 - Later F115JA, F115LA, F115TJR, F115TLR, F115TXR and F115XA applications from 2006-Present, including supplied 011, 061, 04 and 0405-0411 suffix variants.
LF115 LF115TXRY - 2000
LF115TXRZ - 2001
LF115TXRA - 2002
LF115TXRB - 2003
LF115TXRC - 2004
LF115TXRD - 2005
LF115TXR / LF115TXR_0 / 0405-0407 - 2006-Present
LF115XA / LF115XA_01 / LF115XA_06 - 2006-Present
Fitment Note

Verify the complete Yamaha model number before ordering. Yamaha used different cylinder-head and valve-train components across similar horsepower families.

Confirm that your engine application calls for K0A-A3721-00-00.

Aftermarket Pro Marine Option

Pro Marine Intake Valve Stem Seal - A3721

Pro Marine aftermarket replacement for the compatible Yamaha OEM intake valve stem seal application.

Brand: Pro Marine
Type: Intake Valve Stem Seal

View Pro Marine Intake Valve Seal

Related Cylinder Head Rebuild Parts

Yamaha Valve Spring Pro Marine Valve Spring - 67F-12114P

Replacement valve spring for compatible Yamaha F75-F115 four-stroke cylinder heads.

OEM: 67F-12114-00-00

View Valve Spring
OEM Exhaust Seal Yamaha OEM Exhaust Valve Stem Seal

Genuine Yamaha OEM exhaust-side valve stem seal for compatible four-stroke cylinder heads.

Brand: Yamaha OEM

View OEM Exhaust Valve Seal
Pro Exhaust Seal Pro Marine Exhaust Valve Stem Seal - A3722

Aftermarket exhaust valve stem seal for compatible Yamaha four-stroke engines.

Brand: Pro Marine

View Pro Marine Exhaust Seal
F115 Intake Valve Pro Marine Intake Valve - 68V-12111P

Length: 96.9mm
Head Diameter: 29mm

Replacement intake valve for compatible Yamaha four-stroke cylinder-head rebuilds.

View Intake Valve
F115 Exhaust Valve Pro Marine Exhaust Valve - 68V-12121P

Length: 99.3mm
Head Diameter: 23.9mm

Replacement exhaust valve for compatible Yamaha four-stroke cylinder-head rebuilds.

View Exhaust Valve

Valve Train Service Components

Component OEM / Aftermarket Option
Intake Valve Stem Seal Yamaha OEM K0A-A3721-00-00 / Pro Marine A3721
Exhaust Valve Stem Seal Yamaha OEM K0A-A3722 / Pro Marine A3722
Valve Spring Pro Marine 67F-12114P
Intake Valve Pro Marine 68V-12111P
Exhaust Valve Pro Marine 68V-12121P

What This Part is Used For

The intake valve stem seal fits around the intake valve stem and helps control the amount of engine oil that passes between the valve stem and valve guide.

The seal must allow enough lubrication for the valve stem and guide while limiting excessive oil from entering the intake port and combustion chamber.

Symptoms of a Worn Valve Stem Seal

Valve stem seals can harden, wear or become damaged with age and heat. Excessive oil passing the seal can contribute to oil consumption and combustion-chamber deposits.

Valve seals should be inspected whenever the cylinder head is disassembled or the valves are removed.

When to Replace Valve Stem Seals

  • During a complete cylinder-head rebuild
  • When replacing intake or exhaust valves
  • When valve guides are serviced
  • If seals are hardened, cracked or damaged
  • When excessive oil consumption is traced to the cylinder head
  • After overheating or severe cylinder-head damage
  • During a complete powerhead overhaul

Inspect These Parts During Valve Seal Replacement

  • Intake valve stems
  • Exhaust valve stems
  • Valve guides
  • Valve seats
  • Valve springs
  • Valve spring retainers
  • Valve keepers
  • Camshaft lobes
  • Camshaft journals
  • Cylinder-head sealing surface

Shop Yamaha Engine Rebuild Parts by Model

Pro Marine stocks pistons, piston rings, bearings, cylinder sleeves, valves, valve stem seals, gaskets and other internal Yamaha four-stroke engine components.

Shop Yamaha Engine Rebuild Parts by Model

Key Features

  • Genuine Yamaha OEM intake valve stem seal
  • OEM number K0A-A3721-00-00
  • Fits select Yamaha F75 applications
  • Fits select Yamaha F80 applications
  • Fits select Yamaha F90 applications
  • Fits select Yamaha F100 applications
  • Fits extensive Yamaha F115 applications
  • Fits Yamaha LF115 applications
  • Pro Marine A3721 aftermarket option linked above
  • Matching exhaust valve seals linked above
  • Valve spring linked above
  • Replacement intake and exhaust valves linked above

FAQ

What is the Yamaha OEM number for this intake valve seal?
The OEM number is K0A-A3721-00-00.

Is this a genuine Yamaha part?
Yes. This listing is for the Yamaha OEM intake valve stem seal.

Do you have an aftermarket version?
Yes. The Pro Marine A3721 aftermarket intake valve stem seal is linked above.

Does this fit Yamaha F115?
Yes. The supplied fitment includes extensive F115 applications from early engines through later model variants.

Does this seal fit Yamaha F75, F80, F90 and F100?
Yes. Select applications from each of those engine families are included in the verified fitment above.

Does this fit LF115 engines?
Yes. Multiple LF115 applications are included in the supplied fitment.

Do you stock the exhaust valve seal?
Yes. Both the Yamaha OEM K0A-A3722 and Pro Marine A3722 exhaust valve seals are linked above.

Do you have the valves for these engines?
Yes. The 68V-12111P intake valve and 68V-12121P exhaust valve are linked above.

Do you stock the valve spring?
Yes. The Pro Marine 67F-12114P valve spring is linked above.

Dealer Discounts & Store Policies

Dealer / Marine Industry Discounts

Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.

Apply for a Dealer Account

Shipping Policy

  • Free shipping on orders over $100 in the continental U.S.
  • Orders received before 5:30 PM EST ship the same business day.
  • Typical delivery time is 1-5 business days.

30-Day Return Policy

  • Returns accepted within 30 days of delivery.
  • Parts must be new, unused and in original packaging.
  • Installed parts are not returnable.
  • Return authorization is required before returning parts.

Need help verifying fitment?
Contact Pro Marine
Phone: 941-721-3000

Searchable Part Numbers & Terms

K0A-A3721-00-00, K0AA37210000, K0A-A3721, Yamaha intake valve seal, Yamaha intake valve stem seal, Yamaha OEM valve seal, Yamaha F75 valve seal, Yamaha F80 valve seal, Yamaha F90 valve seal, Yamaha F100 valve seal, Yamaha F115 valve seal, Yamaha LF115 valve seal, F115 intake valve seal, F115 valve stem seal, A3721, Pro Marine A3721, K0A-A3722, A3722, Yamaha exhaust valve seal, 67F-12114P, 67F-12114-00-00, Yamaha valve spring, 68V-12111P, Yamaha intake valve, 68V-12121P, Yamaha exhaust valve, Yamaha F115 cylinder head rebuild, Yamaha valve train parts, Yamaha engine rebuild parts

Item#:
A3721
Cross Reference#:
K0A-A3721-00-00
Manufacturer Item:
K0A-A3721-00-00
Manufacturer:
Pro Marine
Available:
In Stock
Your Price:
3.75
Each

Yamaha F75-F115 Exhaust Valve Stem Seal Pro Marine A3722

Aftermarket Exhaust Valve Seal | Replaces Yamaha K0A-A3722-00-00

Pro Marine Aftermarket Exhaust Valve Stem Seal

Yamaha F75-F115 Exhaust Valve Stem Seal - Pro Marine A3722

The Pro Marine A3722 Exhaust Valve Stem Seal is an aftermarket replacement for select Yamaha four-stroke outboard cylinder heads using Yamaha OEM K0A-A3722-00-00.

Verified applications include select F75, F80, F90, F100, F115 and LF115 Yamaha four-stroke engines.

Pro Marine also stocks the genuine Yamaha OEM version, plus the matching intake valve seals, valve spring, intake valve and exhaust valve used during cylinder-head rebuilding.

Aftermarket Replacement for Yamaha OEM

Pro Marine: A3722
Yamaha OEM: K0A-A3722-00-00
Application: Exhaust Valve Stem Seal

OEM & Cross Reference Numbers

Brand / Type Part Number
Pro Marine A3722
Yamaha OEM K0A-A3722-00-00

Yamaha Outboard Fitment

Engine Family Verified Applications
F75 F75TLRB - 2003
F75TLRC - 2004
F75TLRD - 2005
F75LA / F75LA_0112 - 2006-Present
F75TLR / F75TLR_041 - 2006-Present
F80 F80TLRX / F80TXRX - 1999
F80TLRY / F80TXRY - 2000
F80TLRZ - 2001
F80TJRA / F80TLRA - 2002
F80TJRB / F80TLRB - 2003
F90 F90TJRB / F90TLRB - 2003
F90TJRC / F90TLRC - 2004
F90TJRD / F90TLRD / F90TXRD - 2005
F90JA / F90JA_0112 - 2006-Present
F90LA / F90LA_0112 - 2006-Present
F90TJR / F90TJR_041 - 2006-Present
F90TLR / F90TLR_041 - 2006-Present
F90TXR / F90TXR_041 - 2006-Present
F90XA / F90XA_0112 - 2006-Present
F100 F100TLRX / F100TXRX - 1999
F100TLRY / F100TXRY - 2000
F100TLRZ / F100TXRZ - 2001
F100TLRA / F100TXRA - 2002
F100TLRB / F100TXRB - 2003
F115 - 2000-2005 F115TLRY / F115TXRY - 2000
F115TLRZ / F115TXRZ - 2001
F115TJRA / F115TLRA / F115TXRA - 2002
F115TJRB / F115TLRB / F115TXRB - 2003
F115TJRC / F115TLRC / F115TXRC - 2004
F115TJRD / F115TLRD / F115TXRD - 2005
F115 - Later Models F115JA, F115LA, F115TJR, F115TLR, F115TXR and F115XA applications from 2006-Present, including supplied 011, 061, 04 and 0405-0411 suffix variants.
LF115 LF115TXRY - 2000
LF115TXRZ - 2001
LF115TXRA - 2002
LF115TXRB - 2003
LF115TXRC - 2004
LF115TXRD - 2005
LF115TXR / LF115TXR_0 / 0405-0407 - 2006-Present
LF115XA / LF115XA_01 / LF115XA_06 - 2006-Present
Fitment Note

Verify the complete Yamaha model number before ordering. Yamaha used different cylinder-head and valve-train components across similar horsepower families.

Confirm that the engine application calls for K0A-A3722-00-00.

Genuine Yamaha OEM Option

Yamaha OEM Exhaust Valve Stem Seal - K0A-A3722-00-00

Prefer genuine Yamaha? Pro Marine also stocks the OEM exhaust valve stem seal for the same compatible applications.

Brand: Yamaha OEM
OEM Number: K0A-A3722-00-00

View Yamaha OEM Exhaust Valve Seal

Related Cylinder Head Rebuild Parts

Yamaha Valve Spring Pro Marine Valve Spring - 67F-12114P

Replacement valve spring for compatible Yamaha F75-F115 four-stroke cylinder heads.

OEM: 67F-12114-00-00
Mercury Cross Reference: 804131

View Valve Spring
OEM Intake Seal Yamaha OEM Intake Valve Stem Seal

Matching genuine Yamaha intake-side valve stem seal for compatible four-stroke cylinder heads.

OEM: K0A-A3721-00-00

View OEM Intake Valve Seal
Pro Intake Seal Pro Marine Intake Valve Stem Seal - A3721

Pro Marine aftermarket intake valve stem seal for compatible Yamaha four-stroke applications.

Replaces: K0A-A3721-00-00

View Pro Marine Intake Seal
F115 Intake Valve Pro Marine Intake Valve - 68V-12111P

Length: 96.9mm
Head Diameter: 29mm

Replacement intake valve for compatible Yamaha four-stroke cylinder-head rebuilds.

View Intake Valve
F115 Exhaust Valve Pro Marine Exhaust Valve - 68V-12121P

Length: 99.3mm
Head Diameter: 23.9mm

Replacement exhaust valve for compatible Yamaha four-stroke cylinder-head rebuilds.

View Exhaust Valve

Valve Train Service Components

Component OEM / Aftermarket Option
Exhaust Valve Stem Seal Pro Marine A3722 / Yamaha OEM K0A-A3722-00-00
Intake Valve Stem Seal Pro Marine A3721 / Yamaha OEM K0A-A3721-00-00
Valve Spring Pro Marine 67F-12114P
Intake Valve Pro Marine 68V-12111P
Exhaust Valve Pro Marine 68V-12121P

What This Part is Used For

The exhaust valve stem seal fits around the exhaust valve stem and helps control oil movement between the valve stem and valve guide.

The seal allows the valve stem and guide to receive the lubrication they require while limiting excess oil from traveling through the guide and entering the exhaust port or combustion chamber.

Because exhaust-side components operate under high temperatures, the condition of the valve stem seal is especially important during a cylinder-head rebuild.

Why Exhaust Valve Stem Seals Matter

Valve stem seals are continually exposed to engine heat and repeated operating cycles. Over time, a seal may harden, crack, wear or lose its ability to properly control oil.

A deteriorated valve seal can contribute to excessive oil entering the combustion chamber, oil consumption and carbon deposits.

When to Replace Exhaust Valve Stem Seals

  • During a complete cylinder-head rebuild
  • When replacing an exhaust valve
  • When valve guides are being serviced
  • If the existing seal is hardened, cracked or damaged
  • When excessive oil usage is traced to the cylinder head
  • After overheating or valve-train damage
  • During a complete powerhead overhaul

Inspect These Components at the Same Time

  • Exhaust valve
  • Intake valve
  • Intake valve stem seals
  • Valve guides
  • Valve seats
  • Valve springs
  • Valve spring retainers
  • Valve keepers
  • Camshaft lobes and journals
  • Cylinder-head sealing surface

Shop Yamaha Engine Rebuild Parts by Model

Pro Marine stocks pistons, piston rings, crankshaft main bearings, connecting rod bearings, cylinder sleeves, valves, valve stem seals, gaskets and other internal Yamaha four-stroke engine components.

Yamaha Outboard Engine Rebuild Parts by Model

Browse Yamaha engine rebuild components by horsepower and engine family to find compatible pistons, rings, bearings, sleeves, valves and gaskets.

Shop Yamaha Engine Rebuild Parts by Model

Key Features

  • Pro Marine aftermarket exhaust valve stem seal
  • Pro Marine part number A3722
  • Replaces Yamaha K0A-A3722-00-00
  • Fits select Yamaha F75 applications
  • Fits select Yamaha F80 applications
  • Fits select Yamaha F90 applications
  • Fits select Yamaha F100 applications
  • Fits extensive Yamaha F115 applications
  • Fits Yamaha LF115 applications
  • Genuine Yamaha OEM exhaust seal available as an alternate
  • OEM and Pro Marine intake valve stem seals linked above
  • Valve spring linked above
  • Pro Marine intake and exhaust valves linked above

FAQ

What Yamaha OEM number does Pro Marine A3722 replace?
A3722 replaces Yamaha K0A-A3722-00-00.

Is A3722 a Yamaha OEM part?
No. A3722 is the Pro Marine aftermarket version.

Can I buy the genuine Yamaha version?
Yes. The Yamaha OEM K0A-A3722-00-00 exhaust valve stem seal is linked above.

Does A3722 fit Yamaha F115?
Yes. The supplied fitment includes extensive Yamaha F115 applications from early engines through later model variants.

Does this fit Yamaha F75, F80, F90 and F100?
Yes. Select models from each of those Yamaha four-stroke families are included in the fitment above.

Does A3722 fit Yamaha LF115?
Yes. Multiple LF115 applications are included.

Do you stock the intake valve stem seal?
Yes. Pro Marine stocks both the A3721 aftermarket intake seal and Yamaha OEM K0A-A3721-00-00.

Do you stock the exhaust valve?
Yes. The Pro Marine 68V-12121P exhaust valve is linked above.

Do you stock the intake valve?
Yes. The Pro Marine 68V-12111P intake valve is linked above.

Do you stock the valve spring?
Yes. The Pro Marine 67F-12114P valve spring is linked above.

Dealer Discounts & Store Policies

Dealer / Marine Industry Discounts

Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.

Apply for a Dealer Account

Shipping Policy

  • Free shipping on orders over $100 in the continental U.S.
  • Orders received before 5:30 PM EST ship the same business day.
  • Typical delivery time is 1-5 business days.

30-Day Return Policy

  • Returns accepted within 30 days of delivery.
  • Parts must be new, unused and in original packaging.
  • Installed parts are not returnable.
  • Return authorization is required before returning parts.

Need help verifying fitment?
Contact Pro Marine
Phone: 941-721-3000

Searchable Part Numbers & Terms

A3722, Pro Marine A3722, K0A-A3722-00-00, K0AA37220000, K0A-A3722, Yamaha exhaust valve seal, Yamaha exhaust valve stem seal, aftermarket Yamaha valve seal, Yamaha F75 valve seal, Yamaha F80 valve seal, Yamaha F90 valve seal, Yamaha F100 valve seal, Yamaha F115 valve seal, Yamaha LF115 valve seal, F115 exhaust valve seal, F115 valve stem seal, K0A-A3721-00-00, K0A-A3721, A3721, Yamaha intake valve seal, 67F-12114P, 67F-12114-00-00, Yamaha valve spring, 68V-12111P, Yamaha intake valve, 68V-12121P, Yamaha exhaust valve, Yamaha F115 cylinder head rebuild, Yamaha valve train parts, Yamaha engine rebuild parts

Item#:
A3722
Cross Reference#:
K0A-A3722-00-00
Manufacturer Item:
K0A-A3722-00-00
Manufacturer:
Pro Marine
Available:
In Stock
Your Price:
3.54
Each

Yamaha F75-F115 Mercury 75-115HP Valve Spring 67F-12114P

Pro Marine Valve Spring | Replaces Yamaha 67F-12114-00-00 & Mercury 804131

Pro Marine Yamaha / Mercury 4-Stroke Valve Spring

Yamaha F75-F115 & Mercury 75-115HP Valve Spring - 67F-12114P

The Pro Marine 67F-12114P Valve Spring is an aftermarket replacement valve spring for select Yamaha inline four-cylinder four-stroke outboards and Mercury four-stroke engines using the related Yamaha-based cylinder head.

Yamaha applications include select F75, F80, F90, F100, F115 and LF115 engines. Mercury applications include select 75HP and 90HP carbureted engines and 75, 80, 90, 100 and 115HP EFI models.

Replaces Yamaha OEM 67F-12114-00-00 and Mercury 804131.

Yamaha F75-F115 / Mercury 75-115HP Applications

Yamaha: F75, F80, F90, F100, F115 and LF115
Mercury: 75-90HP Carb and 75-115HP EFI

OEM Numbers & Cross References

Brand / Type Part Number
Pro Marine 67F-12114P
Yamaha OEM 67F-12114-00-00
Mercury OEM 804131

Yamaha Outboard Fitment

Engine Family Verified Models
F75 F75TLRB - 2003
F75TLRC - 2004
F75TLRD - 2005
F80 F80TLRX - 1999
F80TXRX - 1999
F80TLRY - 2000
F80TXRY - 2000
F80TLRZ - 2001
F80TJRA / F80TLRA - 2002
F80TJRB / F80TLRB - 2003
F90 F90TJRB / F90TLRB - 2003
F90TJRC / F90TLRC - 2004
F90TJRD / F90TLRD / F90TXRD - 2005
F100 F100TLRX / F100TXRX - 1999
F100TLRY / F100TXRY - 2000
F100TLRZ / F100TXRZ - 2001
F100TLRA / F100TXRA - 2002
F100TLRB / F100TXRB - 2003
F115 - 2000-2005 F115TLRY / F115TXRY - 2000
F115TLRZ / F115TXRZ - 2001
F115TJRA / F115TLRA / F115TXRA - 2002
F115TJRB / F115TLRB / F115TXRB - 2003
F115TJRC / F115TLRC / F115TXRC - 2004
F115TJRD / F115TLRD / F115TXRD - 2005
F115 - Later Models F115TJR, F115TLR and F115TXR families - 2006-Present, including 04, 0405, 0406, 0407, 0408, 0409, 0410 and 0411 application variants.
LF115 LF115TXRY - 2000
LF115TXRZ - 2001
LF115TXRA - 2002
LF115TXRB - 2003
LF115TXRC - 2004
LF115TXRD - 2005
LF115TXR, LF115TXR_0405, LF115TXR_0406 and LF115TXR_0407 - 2006-Present

Mercury Outboard Fitment

Mercury fitment below is based on the Mercury catalog applications for OEM part number 804131.

Mercury Engine Serial Number Range
75HP Carb 0G960500 thru 0T800999
75HP Carb Bodensee 0G960500 thru 0T800999
90HP Carb 0G960500 thru 0T800999
75HP Carb 0T801000 thru 1B226999
75HP Carb Bodensee 0T801000 thru 1B226999
90HP Carb 0T801000 thru 1B226999
75HP EFI 1B172291 thru 1B366822
80HP EFI 1B227000 thru 1B366822
90HP EFI 1B172291 thru 1B366822
100HP EFI 1B227000 thru 1B366822
115HP EFI 1B227000 thru 1B366822
115HP EFI 0T178500 thru 0T800999
115HP EFI 0T801000 thru 1B226999
Verify Engine Model or Serial Number

Yamaha and Mercury used multiple cylinder-head configurations across similar horsepower ranges.

For Yamaha, verify the complete engine model. For Mercury, verify the engine serial number and confirm the application crosses to 804131 before ordering.

Related Cylinder Head & Valve Train Parts

When servicing the valve springs or rebuilding the cylinder head, inspect the intake and exhaust valves, valve stem seals, guides, seats and related valve-train components.

Intake Valve Stem Seals

OEM Intake Seal Yamaha OEM Intake Valve Stem Seal

Genuine Yamaha OEM intake valve stem seal for compatible four-stroke cylinder heads.

Brand: Yamaha OEM

View OEM Intake Valve Seal
Pro Intake Seal Pro Marine Intake Valve Stem Seal - A3721

Pro Marine aftermarket intake valve stem seal for compatible Yamaha four-stroke cylinder heads.

Brand: Pro Marine

View Pro Marine Intake Seal

Exhaust Valve Stem Seals

OEM Exhaust Seal Yamaha OEM Exhaust Valve Stem Seal

Genuine Yamaha OEM exhaust valve stem seal for compatible Yamaha four-stroke cylinder heads.

Brand: Yamaha OEM

View OEM Exhaust Valve Seal
Pro Exhaust Seal Pro Marine Exhaust Valve Stem Seal - A3722

Pro Marine aftermarket exhaust valve stem seal for compatible Yamaha four-stroke engines.

Brand: Pro Marine

View Pro Marine Exhaust Seal

Replacement Intake & Exhaust Valves

F115 Intake Valve Pro Marine Intake Valve - 68V-12111P

Valve Length: 96.9mm
Head Diameter: 29mm

Pro Marine replacement intake valve for compatible Yamaha four-stroke cylinder-head rebuilds.

View Intake Valve
F115 Exhaust Valve Pro Marine Exhaust Valve - 68V-12121P

Valve Length: 99.3mm
Head Diameter: 23.9mm

Pro Marine replacement exhaust valve for compatible Yamaha four-stroke cylinder-head rebuilds.

View Exhaust Valve

Related Valve Train Components

Component Part / Option
Valve Spring 67F-12114P
Intake Valve 68V-12111P
Exhaust Valve 68V-12121P
Intake Valve Stem Seal Yamaha OEM K0A-A3721 or Pro Marine A3721
Exhaust Valve Stem Seal Yamaha OEM K0A-A3722 or Pro Marine A3722

What This Part is Used For

The valve spring provides the closing force for the intake or exhaust valve after the camshaft opens the valve.

Proper valve spring pressure helps the valve follow the camshaft profile, return to the closed position and remain seated when combustion pressure is present.

Weak, damaged or incorrectly installed valve springs can contribute to poor valve control, loss of compression or abnormal valve-train operation.

When to Inspect or Replace Valve Springs

  • During a complete cylinder-head rebuild
  • After valve or piston contact
  • When replacing damaged intake or exhaust valves
  • If a spring is visibly damaged, corroded or distorted
  • If spring free length or pressure is outside service specifications
  • During a major powerhead overhaul

Inspect These Parts During Cylinder Head Service

  • Intake valves
  • Exhaust valves
  • Valve stem seals
  • Valve guides
  • Valve seats
  • Valve springs
  • Spring retainers
  • Valve keepers
  • Camshaft lobes and journals
  • Cylinder-head sealing surface

Shop Yamaha Engine Rebuild Parts by Model

Pro Marine stocks pistons, rings, main bearings, rod bearings, cylinder sleeves, valves, valve seals, gaskets and other internal Yamaha four-stroke engine components.

Shop Yamaha Engine Rebuild Parts by Model

Key Features

  • Pro Marine aftermarket valve spring
  • Part number 67F-12114P
  • Replaces Yamaha 67F-12114-00-00
  • Cross references Mercury 804131
  • Fits select Yamaha F75 applications
  • Fits select Yamaha F80 applications
  • Fits select Yamaha F90 applications
  • Fits select Yamaha F100 applications
  • Fits extensive Yamaha F115 and LF115 applications
  • Fits select Mercury 75HP and 90HP carbureted engines
  • Fits select Mercury 75-115HP EFI engines
  • OEM Yamaha valve seals available
  • Pro Marine aftermarket valve seals available
  • Pro Marine intake and exhaust valves available

FAQ

What Yamaha number does 67F-12114P replace?
It replaces Yamaha OEM 67F-12114-00-00.

What Mercury number does this valve spring replace?
It cross references Mercury 804131.

Does 67F-12114P fit Yamaha F115?
Yes. The supplied fitment includes numerous Yamaha F115 and LF115 applications from early engines through later model families.

Does this fit Yamaha F75, F80, F90 or F100?
Yes. Select applications for each of those horsepower families are included in the verified fitment above.

Does this valve spring fit Mercury 115 EFI?
Yes. Mercury catalog fitment includes 0T178500 thru 0T800999, 0T801000 thru 1B226999, and 1B227000 thru 1B366822.

What other Mercury engines use this spring?
Catalog fitment also includes select Mercury 75HP and 90HP carbureted engines and 75HP, 80HP, 90HP and 100HP EFI applications.

Do you stock intake and exhaust valves?
Yes. Pro Marine 68V-12111P intake and 68V-12121P exhaust valves are linked above.

Do you stock Yamaha OEM valve stem seals?
Yes. Yamaha OEM intake and exhaust valve stem seals are linked above.

Are aftermarket valve stem seals available?
Yes. Pro Marine A3721 intake and A3722 exhaust valve stem seals are linked above.

Dealer Discounts & Store Policies

Dealer / Marine Industry Discounts

Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.

Apply for a Dealer Account

Shipping Policy

  • Free shipping on orders over $100 in the continental U.S.
  • Orders received before 5:30 PM EST ship the same business day.
  • Typical delivery time is 1-5 business days.

30-Day Return Policy

  • Returns accepted within 30 days of delivery.
  • Parts must be new, unused and in original packaging.
  • Installed parts are not returnable.
  • Return authorization is required before returning parts.

Need help verifying fitment?
Contact Pro Marine
Phone: 941-721-3000

Searchable Part Numbers & Terms

67F-12114P, 67F-12114-00-00, 67F121140000, 804131, Mercury 804131, Yamaha valve spring, Yamaha F75 valve spring, Yamaha F80 valve spring, Yamaha F90 valve spring, Yamaha F100 valve spring, Yamaha F115 valve spring, Yamaha LF115 valve spring, Mercury 75 valve spring, Mercury 80 valve spring, Mercury 90 valve spring, Mercury 100 valve spring, Mercury 115 valve spring, Mercury 115 EFI valve spring, 68V-12111P, Yamaha intake valve, 68V-12121P, Yamaha exhaust valve, K0A-A3721, A3721, Yamaha intake valve stem seal, K0A-A3722, A3722, Yamaha exhaust valve stem seal, Yamaha cylinder head rebuild, Yamaha F115 cylinder head parts, Yamaha engine rebuild parts

Item#:
67F-12114P
Cross Reference#:
67F-12114-00-00
804131
Manufacturer Item:
67F-12114-00-00
Manufacturer:
Mercury Marine
Available:
In Stock
Your Price:
9.79
Each

Wiseco Piston Kit Std

Yam 4 cyl 4stroke NO RINGS Bore 79.0 mm
Item#:
3205PS
Manufacturer:
Wiseco
Available:
In Stock
Your Price:
147.57
Each

Wiseco Piston Kit .010

Yam 4 Cyl 4stroke NO RINGS Bore 79.25 mm
Item#:
3205P1
Manufacturer:
Wiseco
Available:
In Stock
Your Price:
147.57
Each

Yamaha F75-F115 Mercury 75-115HP Head Gasket 67111-1

Genuine Yamaha OEM Cylinder Head Gasket | 67F-11181 Series

Genuine Yamaha OEM Cylinder Head Gasket

Yamaha F75-F115 & Mercury 75-115HP Cylinder Head Gasket - 67111-1

The Yamaha OEM 67111-1 Cylinder Head Gasket is a genuine Yamaha replacement head gasket used across a broad range of Yamaha four-stroke outboards including select F75, F80, F90, F100, F115 and LF115 engines.

This gasket family also appears in Mercury applications including select 75HP and 90HP carbureted engines and 75HP, 80HP, 90HP, 100HP and 115HP EFI four-stroke outboards.

It cross references Yamaha 67F-11181-00-00, 67F-11181-01-00, 67F-11181-02-00 and 67F-11181-03-00, Sierra 18-99094, and Mercury 804115 / 8041151.

OEM & Cross Reference Numbers

Brand / Type Part Number
Pro Marine Item 67111-1
Yamaha OEM 67F-11181-00-00
Yamaha OEM 67F-11181-01-00
Yamaha OEM 67F-11181-02-00
Yamaha OEM 67F-11181-03-00
Sierra 18-99094
Mercury OEM 804115
Mercury OEM 8041151

Yamaha Outboard Fitment

Verified Yamaha applications span multiple generations of 75HP through 115HP four-stroke outboards, including early F80/F100 engines, later F75/F90 applications and extensive F115 / LF115 coverage.

Engine Family Verified Applications
Yamaha F75 F75TLRB, F75TLRC, F75TLRD, F75TLR, F75TLR_041, F75LA and F75LA_0112.
Yamaha F80 F80TLRX, F80TLRY, F80TLRZ, F80TXRX, F80TXRY, F80TJRA, F80TJRB, F80TLRA and F80TLRB.
Yamaha F90 F90TJRB, F90TJRC, F90TJRD, F90TJR, F90TLRB, F90TLRC, F90TLRD, F90TLR, F90TXRD, F90TXR, F90JA, F90LA and F90XA, including related later suffix configurations.
Yamaha F100 F100TLRX, F100TLRY, F100TLRZ, F100TXRX, F100TXRY, F100TXRZ, F100TLRA, F100TLRB, F100TXRA and F100TXRB.
Yamaha F115 F115TLRY, F115TLRZ, F115TLRA/B/C/D, F115TXRY, F115TXRZ, F115TXRA/B/C/D, F115TJRA/B/C/D and later F115TJR, F115TLR, F115TXR, F115JA, F115LA and F115XA applications.
Yamaha LF115 LF115TXRY, LF115TXRZ, LF115TXRA/B/C/D, later LF115TXR and LF115XA counter-rotation applications.

Representative Yamaha Model-Year Coverage

Model Years Examples
1999-2001 Select F80, F100, F115 and LF115 four-stroke applications.
2002-2003 Extensive F80, F90, F100, F115 and LF115 applications.
2004 F75TLRC, F90TJRC, F90TLRC, F115TJRC, F115TLRC, F115TXRC and LF115TXRC.
2005 F75TLRD, F90TJRD, F90TLRD, F90TXRD, F115TJRD, F115TLRD, F115TXRD and LF115TXRD.
Later Applications Select F75, F90, F115 and LF115 applications listed in the supplied fitment as 2006 and later.

Mercury Outboard Fitment

Mercury catalog information supplied for this gasket confirms both carbureted and EFI four-stroke applications.

Mercury Engine Serial Range
75HP Carb 0G960500 thru 0T800999
75HP Carb Bodensee 0G960500 thru 0T800999
90HP Carb 0G960500 thru 0T800999
75HP Carb 0T801000 thru 1B226999
75HP Carb Bodensee 0T801000 thru 1B226999
90HP Carb 0T801000 thru 1B226999
75HP EFI 1B172291 thru 1B366822
80HP EFI 1B227000 thru 1B366822
90HP EFI 1B172291 thru 1B366822
100HP EFI 1B227000 thru 1B366822
115HP EFI 0T178500 thru 0T800999
115HP EFI 0T801000 thru 1B226999
115HP EFI 1B172291 thru 1B366822
115HP EFI 1B227000 thru 1B366822
Important Fitment Note:

Cylinder head gasket fitment can vary within the same horsepower family. Do not order by horsepower alone.

For Yamaha applications, verify the complete engine model and confirm that the original head gasket cross references one of the 67F-11181 numbers listed above.

For Mercury applications, verify the engine serial number and confirm that the head gasket cross references 804115 or 8041151.

Head Gasket & Powerhead Rebuild Options

Pro Marine stocks both an aftermarket version of this individual cylinder head gasket and a complete powerhead gasket kit for compatible engines.

Pro Marine Head Gasket

Pro Marine Cylinder Head Gasket - 67111

Pro Marine aftermarket replacement for compatible Yamaha and Mercury applications using the 67F-11181 / 804115 gasket family.

A cost-effective alternative when an OEM Yamaha gasket is not required.

View Pro Marine Head Gasket

Powerhead Gasket Kit

Pro Marine Powerhead Gasket Kit - 6803

Rebuilding the complete engine? The 6803 powerhead gasket kit contains the major gaskets and sealing components used during compatible powerhead disassembly and reassembly.

This is usually the better choice for a complete rebuild rather than purchasing only the individual cylinder head gasket.

View Complete Powerhead Gasket Kit

What the Cylinder Head Gasket Does

The cylinder head gasket seals the mating surface between the cylinder head and engine block. It must maintain a seal around the combustion chambers while also separating oil and cooling passages where applicable.

A properly sealing head gasket is critical for maintaining cylinder compression and preventing combustion pressure, cooling water or engine oil from leaking between passages.

Common Signs of a Failed Head Gasket

  • Low compression in one or more cylinders
  • Overheating
  • Cooling-water intrusion into the cylinder
  • Combustion gases entering the cooling system
  • Visible gasket failure after cylinder-head removal
  • Corrosion or erosion around the combustion sealing surface
  • Uneven or damaged cylinder-head sealing surface

During Cylinder Head Service

When a cylinder head is removed, inspect both the cylinder head and block sealing surfaces before installing the new gasket. Check for corrosion, erosion, warpage and other damage that could prevent the new gasket from sealing correctly.

Follow the applicable Yamaha or Mercury service manual for bolt tightening sequence, torque specifications and any required inspection or machining procedures.

Individual Head Gasket or Complete Gasket Kit?

Repair Recommended Option
Cylinder head is being removed only Individual OEM Yamaha 67111-1 head gasket may be appropriate.
Need a lower-cost individual replacement Consider the Pro Marine 67111 cylinder head gasket linked above.
Complete powerhead rebuild Consider the Pro Marine 6803 powerhead gasket kit so the other disturbed engine gaskets are available during assembly.

Key Features and Benefits

  • Genuine Yamaha OEM cylinder head gasket
  • Fits select Yamaha F75 four-stroke engines
  • Fits select Yamaha F80 four-stroke engines
  • Fits select Yamaha F90 four-stroke engines
  • Fits select Yamaha F100 four-stroke engines
  • Fits extensive Yamaha F115 and LF115 applications
  • Fits select Mercury 75HP carbureted engines
  • Fits select Mercury 90HP carbureted engines
  • Fits select Mercury 75HP, 80HP, 90HP and 100HP EFI engines
  • Fits select Mercury 115HP EFI applications
  • Replaces Yamaha 67F-11181-00-00 through 67F-11181-03-00
  • Cross references Sierra 18-99094
  • Cross references Mercury 804115 / 8041151
  • Pro Marine aftermarket gasket linked above
  • Complete Pro Marine powerhead gasket kit linked above

FAQ

Is 67111-1 a genuine Yamaha head gasket?
Yes. This listing is for the genuine Yamaha OEM version. The Pro Marine aftermarket 67111 gasket is linked above.

What Yamaha OEM numbers does this gasket replace?
It cross references 67F-11181-00-00, 67F-11181-01-00, 67F-11181-02-00 and 67F-11181-03-00.

Does this fit Yamaha F75?
Yes. Verified applications include select F75TLR and F75LA models.

Does this fit Yamaha F90?
Yes. The supplied fitment includes numerous F90 TJR, TLR, TXR, JA, LA and XA applications.

Does this fit Yamaha F100?
Yes. Verified applications include several F100TLR and F100TXR engines from 1999 through 2003.

Does this fit Yamaha F115?
Yes. The fitment includes extensive F115 TJR, TLR, TXR, JA, LA and XA applications, plus LF115 counter-rotation engines.

Does this fit Mercury 75HP and 90HP carbureted engines?
Yes. Verified Mercury fitment includes both 75HP and 90HP carbureted applications from 0G960500 thru 1B226999.

Does this fit Mercury EFI engines?
Yes. The supplied Mercury data includes select 75HP, 80HP, 90HP, 100HP and 115HP EFI applications.

Does it fit Mercury 115HP EFI?
Yes. Mercury catalog fitment includes 115HP EFI applications in 0T178500 thru 0T800999, 0T801000 thru 1B226999, and later 1B-series applications through 1B366822.

Is there an aftermarket version available?
Yes. The Pro Marine 67111 cylinder head gasket is linked above.

Do you sell a complete gasket kit?
Yes. The Pro Marine 6803 Powerhead Gasket Kit is linked above for compatible applications where a complete engine rebuild or major powerhead repair is being performed.

Should I reuse the old cylinder head gasket?
A cylinder head gasket should be replaced when the cylinder head has been removed. Follow the applicable Yamaha or Mercury service procedure during reassembly.

Dealer Discounts & Store Policies

Dealer / Marine Industry Discounts

Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.

Apply for a Dealer Account

Shipping Policy

  • Free shipping on orders over $100 continental U.S.
  • Orders ship via UPS, USPS, and FedEx.
  • Orders received before 5:30 PM EST ship the same business day.
  • Typical delivery time is 1-5 business days.

30-Day Return Policy

  • Returns accepted within 30 days of delivery.
  • Parts must be new, unused, and in original packaging.
  • Installed parts are not returnable.
  • Return authorization is required before sending items back.

Need help with a return or order question?
Contact Us
Phone: 941-721-3000

Searchable Terms

67111-1, Yamaha 67111-1, 67F-11181-00-00, 67F-11181-01-00, 67F-11181-02-00, 67F-11181-03-00, Yamaha 67F-11181, 18-99094, Sierra 18-99094, 804115, 8041151, Yamaha cylinder head gasket, Yamaha F75 head gasket, Yamaha F80 head gasket, Yamaha F90 head gasket, Yamaha F100 head gasket, Yamaha F115 head gasket, Yamaha LF115 head gasket, Mercury 75 carb head gasket, Mercury 90 carb head gasket, Mercury 75 EFI head gasket, Mercury 80 EFI head gasket, Mercury 90 EFI head gasket, Mercury 100 EFI head gasket, Mercury 115 EFI head gasket, Mercury 804115 head gasket, F115TLR head gasket, F115TXR head gasket, F115TJR head gasket, F115JA head gasket, F115LA head gasket, F115XA head gasket, LF115TXR head gasket, 67111, Pro Marine 67111, 6803, Yamaha powerhead gasket kit

Item#:
67111-1
Cross Reference#:
18-99094
67F-11181-00-00
67F-11181-01-00
67F-11181-02-00
67F-11181-03-00
804115
8041151
Manufacturer Item:
8041151
Manufacturer:
Yamaha Outboard
Available:
In Stock
Your Price:
147.99
Each

Pro Marine Yamaha F75-F115 Mercury 75-115HP Head Gasket 67111

Pro Marine Cylinder Head Gasket | Replaces 67F-11181 Series

Pro Marine Yamaha / Mercury Cylinder Head Gasket

Yamaha F75-F115 & Mercury 75-115HP Cylinder Head Gasket - Pro Marine 67111

The Pro Marine 67111 Cylinder Head Gasket is an aftermarket replacement head gasket for select Yamaha four-stroke and Mercury outboard applications.

Verified Yamaha fitment includes select F75, F80, F90, F100, F115 and LF115 engines. Mercury applications include select 75HP and 90HP carbureted engines and 75HP, 80HP, 90HP, 100HP and 115HP EFI outboards.

This gasket replaces Yamaha 67F-11181-00-00, 67F-11181-01-00, 67F-11181-02-00 and 67F-11181-03-00, Sierra 18-99094, and Mercury 804115 / 8041151.

OEM & Cross Reference Numbers

Brand / Type Part Number
Pro Marine 67111
Yamaha OEM67F-11181-00-00
Yamaha OEM67F-11181-01-00
Yamaha OEM67F-11181-02-00
Yamaha OEM67F-11181-03-00
Sierra 18-99094
Mercury OEM 804115
Mercury OEM 8041151

Yamaha Outboard Fitment

Engine Family Verified Applications
Yamaha F75 F75TLRB, F75TLRC, F75TLRD, F75TLR, F75TLR_041, F75LA and F75LA_0112.
Yamaha F80 F80TLRX, F80TLRY, F80TLRZ, F80TXRX, F80TXRY, F80TJRA, F80TJRB, F80TLRA and F80TLRB.
Yamaha F90 F90TJRB, F90TJRC, F90TJRD, F90TJR, F90TLRB, F90TLRC, F90TLRD, F90TLR, F90TXRD, F90TXR, F90JA, F90LA and F90XA, including related suffix configurations.
Yamaha F100 F100TLRX, F100TLRY, F100TLRZ, F100TXRX, F100TXRY, F100TXRZ, F100TLRA, F100TLRB, F100TXRA and F100TXRB.
Yamaha F115 F115TLRY, F115TLRZ, F115TLRA/B/C/D, F115TXRY, F115TXRZ, F115TXRA/B/C/D, F115TJRA/B/C/D and later F115TJR, F115TLR, F115TXR, F115JA, F115LA and F115XA applications.
Yamaha LF115 LF115TXRY, LF115TXRZ, LF115TXRA/B/C/D, later LF115TXR and LF115XA counter-rotation applications.

Mercury Outboard Fitment

Mercury Engine Serial Range
75HP Carb 0G960500 thru 0T800999
75HP Carb Bodensee 0G960500 thru 0T800999
90HP Carb 0G960500 thru 0T800999
75HP Carb 0T801000 thru 1B226999
75HP Carb Bodensee 0T801000 thru 1B226999
90HP Carb 0T801000 thru 1B226999
75HP EFI 1B172291 thru 1B366822
80HP EFI 1B227000 thru 1B366822
90HP EFI 1B172291 thru 1B366822
100HP EFI 1B227000 thru 1B366822
115HP EFI 0T178500 thru 0T800999
115HP EFI 0T801000 thru 1B226999
115HP EFI 1B172291 thru 1B366822
115HP EFI 1B227000 thru 1B366822
Important Fitment Note:

Do not order a cylinder head gasket by horsepower alone.

For Yamaha applications, verify the complete model and confirm the engine calls for one of the 67F-11181 gasket numbers listed above.

For Mercury applications, verify the complete engine serial number and confirm the gasket cross references 804115 or 8041151.

OEM & Complete Gasket Kit Options

Pro Marine also stocks the genuine Yamaha OEM version of this head gasket, as well as a complete powerhead gasket kit for compatible engines.

Yamaha OEM Head Gasket

Genuine Yamaha OEM Cylinder Head Gasket - 67111-1

Genuine Yamaha factory version for compatible applications using the 67F-11181 cylinder head gasket family.

Choose this option when an OEM Yamaha gasket is preferred for the repair.

View Yamaha OEM Head Gasket

Powerhead Gasket Kit

Pro Marine Powerhead Gasket Kit - 6803

Performing a complete powerhead rebuild? The 6803 gasket kit is the better starting point when multiple engine gaskets and sealing components will be disturbed.

View Complete Powerhead Gasket Kit

What This Cylinder Head Gasket Does

The cylinder head gasket seals the joint between the cylinder head and engine block. It helps contain combustion pressure while sealing the cooling and lubrication passages that pass between the two components.

Proper sealing is critical for maintaining compression and preventing cooling water, combustion gases or engine oil from moving between passages where they do not belong.

Common Signs of Head Gasket Failure

  • Low or uneven cylinder compression
  • Cooling-water intrusion into one or more cylinders
  • Overheating
  • Combustion pressure entering the cooling system
  • Visible erosion or failure of the old gasket
  • Corrosion around the combustion sealing area
  • Evidence of leakage between adjacent passages

What to Inspect During Cylinder Head Service

Whenever the cylinder head is removed, inspect the head and block sealing surfaces for corrosion, erosion, pitting, distortion and other damage that could prevent the replacement gasket from sealing correctly.

The applicable Yamaha or Mercury service manual should be followed for surface inspection, tightening sequence, fastener requirements and torque specifications.

Individual Head Gasket vs. Complete Powerhead Gasket Kit

Type of Repair Recommended Option
Replacing only the cylinder head gasket Pro Marine 67111 is a cost-effective individual replacement.
OEM gasket preferred Choose the genuine Yamaha OEM 67111-1 gasket linked above.
Complete engine / powerhead rebuild Consider the Pro Marine 6803 complete powerhead gasket kit.

Why Choose the Pro Marine 67111?

  • Pro Marine aftermarket cylinder head gasket
  • Cost-effective alternative to the Yamaha OEM gasket
  • Replaces Yamaha 67F-11181-00-00
  • Replaces Yamaha 67F-11181-01-00
  • Replaces Yamaha 67F-11181-02-00
  • Replaces Yamaha 67F-11181-03-00
  • Cross references Sierra 18-99094
  • Cross references Mercury 804115 / 8041151
  • Fits select Yamaha F75 engines
  • Fits select Yamaha F80 engines
  • Fits select Yamaha F90 engines
  • Fits select Yamaha F100 engines
  • Fits extensive Yamaha F115 and LF115 applications
  • Fits select Mercury 75HP and 90HP carbureted engines
  • Fits select Mercury 75-115HP EFI engines
  • Yamaha OEM gasket option linked above
  • Complete powerhead gasket kit linked above

FAQ

Is 67111 an OEM Yamaha gasket?
No. This listing is for the Pro Marine aftermarket version. The genuine Yamaha OEM 67111-1 head gasket is linked above.

What Yamaha numbers does Pro Marine 67111 replace?
It cross references 67F-11181-00-00, 67F-11181-01-00, 67F-11181-02-00 and 67F-11181-03-00.

Does 67111 fit Yamaha F75?
Yes. Verified applications include select F75TLR and F75LA models.

Does it fit Yamaha F90?
Yes. The supplied fitment includes numerous F90 TJR, TLR, TXR, JA, LA and XA applications.

Does it fit Yamaha F100?
Yes. Verified applications include several F100TLR and F100TXR models.

Does this gasket fit Yamaha F115?
Yes. Extensive F115 TJR, TLR, TXR, JA, LA and XA applications are included, along with LF115 counter-rotation models.

Does this fit Mercury 75HP and 90HP carbureted engines?
Yes. Verified Mercury applications include 75HP and 90HP carb engines across serial ranges from 0G960500 thru 1B226999.

Does it fit Mercury EFI outboards?
Yes. The supplied fitment includes select 75HP, 80HP, 90HP, 100HP and 115HP EFI engines.

Does it fit Mercury 115 EFI?
Yes. The supplied Mercury catalog information includes several 115HP EFI serial ranges through 1B366822.

Is the OEM Yamaha version available?
Yes. The genuine Yamaha 67111-1 cylinder head gasket is linked above.

Do you sell a complete powerhead gasket kit?
Yes. The Pro Marine 6803 powerhead gasket kit is linked above for compatible applications.

Dealer Discounts & Store Policies

Dealer / Marine Industry Discounts

Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.

Apply for a Dealer Account

Shipping Policy

  • Free shipping on orders over $100 continental U.S.
  • Orders ship via UPS, USPS, and FedEx.
  • Orders received before 5:30 PM EST ship the same business day.
  • Typical delivery time is 1-5 business days.

30-Day Return Policy

  • Returns accepted within 30 days of delivery.
  • Parts must be new, unused, and in original packaging.
  • Installed parts are not returnable.
  • Return authorization is required before sending items back.

Need help with a return or order question?
Contact Us
Phone: 941-721-3000

Searchable Terms

67111, Pro Marine 67111, 67F-11181-00-00, 67F-11181-01-00, 67F-11181-02-00, 67F-11181-03-00, Yamaha 67F-11181, 18-99094, Sierra 18-99094, 804115, 8041151, Yamaha cylinder head gasket, Yamaha F75 head gasket, Yamaha F80 head gasket, Yamaha F90 head gasket, Yamaha F100 head gasket, Yamaha F115 head gasket, Yamaha LF115 head gasket, Mercury 75 carb head gasket, Mercury 90 carb head gasket, Mercury 75 EFI head gasket, Mercury 80 EFI head gasket, Mercury 90 EFI head gasket, Mercury 100 EFI head gasket, Mercury 115 EFI head gasket, F115TLR head gasket, F115TXR head gasket, F115TJR head gasket, F115JA head gasket, F115LA head gasket, F115XA head gasket, LF115TXR head gasket, 67111-1, Yamaha OEM head gasket, 6803, Yamaha powerhead gasket kit, Mercury powerhead gasket kit

Item#:
67111
Cross Reference#:
18-99094
67F-11181-00-00
67F-11181-01-00
67F-11181-02-00
67F-11181-03-00
804115
8041151
Manufacturer Item:
67F-11181-02-00
Manufacturer:
Pro Marine
Available:
In Stock
Your Price:
81.09
Each

Raw Water Pump Crank Mount

Universal Marine Applications Volvo AQ Series Eng
Item#:
24228
Cross Reference#:
10-24228-1
18-3586
685011
841640
856952
857451
Manufacturer Item:
841640
Manufacturer:
Pro Marine
Available:
In Stock
Your Price:
494.88
Each

Yamaha F75-F115 Intake Valve Stem Seal Pro Marine A3721

Aftermarket Intake Valve Seal | Replaces Yamaha K0A-A3721-00-00

Pro Marine Aftermarket Intake Valve Stem Seal

Yamaha F75-F115 Intake Valve Stem Seal - Pro Marine A3721

The Pro Marine A3721 Intake Valve Stem Seal is an aftermarket replacement for select Yamaha four-stroke outboard cylinder heads using Yamaha OEM K0A-A3721-00-00.

Verified applications include select F75, F80, F90, F100, F115 and LF115 Yamaha four-stroke engines.

Pro Marine also stocks the genuine Yamaha OEM version, plus the matching exhaust valve seals, valve spring, intake valve and exhaust valve used during cylinder-head rebuilding.

Aftermarket Replacement for Yamaha OEM

Pro Marine: A3721
Yamaha OEM: K0A-A3721-00-00
Application: Intake Valve Stem Seal

OEM & Cross Reference Numbers

Brand / Type Part Number
Pro Marine A3721
Yamaha OEM K0A-A3721-00-00

Yamaha Outboard Fitment

Engine Family Verified Applications
F75 F75TLRB - 2003
F75TLRC - 2004
F75TLRD - 2005
F75LA / F75LA_0112 - 2006-Present
F75TLR / F75TLR_041 - 2006-Present
F80 F80TLRX / F80TXRX - 1999
F80TLRY / F80TXRY - 2000
F80TLRZ - 2001
F80TJRA / F80TLRA - 2002
F80TJRB / F80TLRB - 2003
F90 F90TJRB / F90TLRB - 2003
F90TJRC / F90TLRC - 2004
F90TJRD / F90TLRD / F90TXRD - 2005
F90JA / F90JA_0112 - 2006-Present
F90LA / F90LA_0112 - 2006-Present
F90TJR / F90TJR_041 - 2006-Present
F90TLR / F90TLR_041 - 2006-Present
F90TXR / F90TXR_041 - 2006-Present
F90XA / F90XA_0112 - 2006-Present
F100 F100TLRX / F100TXRX - 1999
F100TLRY / F100TXRY - 2000
F100TLRZ / F100TXRZ - 2001
F100TLRA / F100TXRA - 2002
F100TLRB / F100TXRB - 2003
F115 - 2000-2005 F115TLRY / F115TXRY - 2000
F115TLRZ / F115TXRZ - 2001
F115TJRA / F115TLRA / F115TXRA - 2002
F115TJRB / F115TLRB / F115TXRB - 2003
F115TJRC / F115TLRC / F115TXRC - 2004
F115TJRD / F115TLRD / F115TXRD - 2005
F115 - Later Models F115JA, F115LA, F115TJR, F115TLR, F115TXR and F115XA applications from 2006-Present, including supplied 011, 061, 04 and 0405-0411 suffix variants.
LF115 LF115TXRY - 2000
LF115TXRZ - 2001
LF115TXRA - 2002
LF115TXRB - 2003
LF115TXRC - 2004
LF115TXRD - 2005
LF115TXR / LF115TXR_0 / 0405-0407 - 2006-Present
LF115XA / LF115XA_01 / LF115XA_06 - 2006-Present
Fitment Note

Verify the complete Yamaha model number before ordering. Yamaha used different cylinder-head and valve-train components across similar horsepower families.

Confirm that the engine application calls for K0A-A3721-00-00.

Genuine Yamaha OEM Option

Yamaha OEM Intake Valve Stem Seal - K0A-A3721-00-00

Prefer genuine Yamaha? Pro Marine also stocks the OEM intake valve stem seal for the same compatible applications.

Brand: Yamaha OEM
OEM Number: K0A-A3721-00-00

View Yamaha OEM Intake Valve Seal

Related Cylinder Head Rebuild Parts

Yamaha Valve Spring Pro Marine Valve Spring - 67F-12114P

Replacement valve spring for compatible Yamaha F75-F115 four-stroke cylinder heads.

OEM: 67F-12114-00-00

View Valve Spring
OEM Exhaust Seal Yamaha OEM Exhaust Valve Stem Seal

Genuine Yamaha OEM exhaust-side valve stem seal for compatible four-stroke cylinder heads.

Brand: Yamaha OEM

View OEM Exhaust Valve Seal
Pro Exhaust Seal Pro Marine Exhaust Valve Stem Seal - A3722

Aftermarket exhaust valve stem seal for compatible Yamaha four-stroke engines.

Brand: Pro Marine

View Pro Marine Exhaust Seal
F115 Intake Valve Pro Marine Intake Valve - 68V-12111P

Length: 96.9mm
Head Diameter: 29mm

Replacement intake valve for compatible Yamaha four-stroke cylinder-head rebuilds.

View Intake Valve
F115 Exhaust Valve Pro Marine Exhaust Valve - 68V-12121P

Length: 99.3mm
Head Diameter: 23.9mm

Replacement exhaust valve for compatible Yamaha four-stroke cylinder-head rebuilds.

View Exhaust Valve

Valve Train Service Components

Component OEM / Aftermarket Option
Intake Valve Stem Seal Pro Marine A3721 / Yamaha OEM K0A-A3721-00-00
Exhaust Valve Stem Seal Pro Marine A3722 / Yamaha OEM K0A-A3722
Valve Spring Pro Marine 67F-12114P
Intake Valve Pro Marine 68V-12111P
Exhaust Valve Pro Marine 68V-12121P

What This Part is Used For

The intake valve stem seal fits around the intake valve stem and helps regulate the amount of engine oil that passes between the valve stem and valve guide.

The valve guide requires lubrication, but excessive oil entering past the guide can reach the intake port and combustion chamber. The valve stem seal helps control this oil flow while allowing the valve to move normally.

Why Intake Valve Stem Seals Matter

Valve stem seals operate in a high-temperature environment and can become hardened, worn or damaged over time. A deteriorated seal may allow excess oil into the combustion chamber.

During a cylinder-head rebuild, replacing valve stem seals while the valves are already removed can prevent having to disassemble the valve train again later.

When to Replace Valve Stem Seals

  • During a complete cylinder-head rebuild
  • When replacing intake or exhaust valves
  • When servicing valve guides
  • If seals are hardened, cracked, flattened or damaged
  • When excessive oil usage is traced to the cylinder head
  • After overheating or cylinder-head damage
  • During a complete powerhead overhaul

Inspect These Components at the Same Time

  • Intake valves
  • Exhaust valves
  • Exhaust valve stem seals
  • Valve guides
  • Valve seats
  • Valve springs
  • Spring retainers and keepers
  • Camshaft lobes and journals
  • Cylinder-head sealing surfaces

Shop Yamaha Engine Rebuild Parts by Model

Pro Marine stocks pistons, piston rings, main bearings, rod bearings, cylinder sleeves, valves, valve seals, gaskets and other internal Yamaha four-stroke engine components.

Shop Yamaha Engine Rebuild Parts by Model

Key Features

  • Pro Marine aftermarket intake valve stem seal
  • Pro Marine part number A3721
  • Replaces Yamaha K0A-A3721-00-00
  • Fits select Yamaha F75 four-stroke applications
  • Fits select Yamaha F80 four-stroke applications
  • Fits select Yamaha F90 four-stroke applications
  • Fits select Yamaha F100 four-stroke applications
  • Fits extensive Yamaha F115 applications
  • Fits Yamaha LF115 applications
  • Genuine Yamaha OEM intake seal available as an alternative
  • OEM and Pro Marine exhaust valve seals linked above
  • Valve spring linked above
  • Pro Marine intake and exhaust valves linked above

FAQ

What Yamaha OEM number does Pro Marine A3721 replace?
A3721 replaces Yamaha K0A-A3721-00-00.

Is A3721 a Yamaha OEM part?
No. A3721 is the Pro Marine aftermarket version.

Can I buy the Yamaha OEM version instead?
Yes. The genuine Yamaha K0A-A3721-00-00 intake valve stem seal is linked above.

Does A3721 fit Yamaha F115?
Yes. The supplied fitment includes extensive F115 applications from early engines through later models.

Does this fit Yamaha F75, F80, F90 and F100?
Yes. Select models from each of those engine families are included in the verified fitment above.

Does A3721 fit Yamaha LF115?
Yes. Multiple LF115 applications are included.

Do you stock the exhaust valve stem seal?
Yes. Both Yamaha OEM K0A-A3722 and Pro Marine A3722 exhaust valve stem seals are linked above.

Do you stock the intake and exhaust valves?
Yes. Pro Marine 68V-12111P intake and 68V-12121P exhaust valves are linked above.

Do you stock the valve spring?
Yes. The Pro Marine 67F-12114P valve spring is linked above.

Dealer Discounts & Store Policies

Dealer / Marine Industry Discounts

Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.

Apply for a Dealer Account

Shipping Policy

  • Free shipping on orders over $100 in the continental U.S.
  • Orders received before 5:30 PM EST ship the same business day.
  • Typical delivery time is 1-5 business days.

30-Day Return Policy

  • Returns accepted within 30 days of delivery.
  • Parts must be new, unused and in original packaging.
  • Installed parts are not returnable.
  • Return authorization is required before returning parts.

Need help verifying fitment?
Contact Pro Marine
Phone: 941-721-3000

Searchable Part Numbers & Terms

A3721, Pro Marine A3721, K0A-A3721-00-00, K0AA37210000, K0A-A3721, Yamaha intake valve seal, Yamaha intake valve stem seal, aftermarket Yamaha valve seal, Yamaha F75 valve seal, Yamaha F80 valve seal, Yamaha F90 valve seal, Yamaha F100 valve seal, Yamaha F115 valve seal, Yamaha LF115 valve seal, F115 intake valve seal, F115 valve stem seal, K0A-A3722, A3722, Yamaha exhaust valve seal, 67F-12114P, 67F-12114-00-00, Yamaha valve spring, 68V-12111P, Yamaha intake valve, 68V-12121P, Yamaha exhaust valve, Yamaha F115 cylinder head rebuild, Yamaha valve train parts, Yamaha engine rebuild parts

Item#:
K0A-A3721
Cross Reference#:
K0A-A3721-00-00
Manufacturer Item:
K0A-A3721-00-00
Manufacturer:
Yamaha Outboard
Available:
In Stock
Your Price:
6.99
Each

Yamaha F75-F115 Exhaust Valve Stem Seal OEM K0A-A3722-00-00

Genuine Yamaha Exhaust Valve Seal for F75 F80 F90 F100 F115

Genuine Yamaha OEM Exhaust Valve Stem Seal

Yamaha F75-F115 Exhaust Valve Stem Seal - OEM K0A-A3722-00-00

The Yamaha K0A-A3722-00-00 Exhaust Valve Stem Seal is a genuine OEM replacement seal for select Yamaha four-stroke outboard cylinder heads.

Verified applications include select F75, F80, F90, F100, F115 and LF115 Yamaha four-stroke engines.

Pro Marine also stocks the A3722 aftermarket exhaust valve seal, along with the matching intake valve seals, valve spring, intake valve and exhaust valve used during cylinder-head rebuilding.

Genuine Yamaha OEM Exhaust Valve Seal

OEM Number: K0A-A3722-00-00
Application: Exhaust Valve Stem
Engine Families: Yamaha F75-F115 and LF115

OEM Number

Brand / Type Part Number
Yamaha OEM K0A-A3722-00-00
Pro Marine Aftermarket Option A3722

Yamaha Outboard Fitment

Engine Family Verified Applications
F75 F75TLRB - 2003
F75TLRC - 2004
F75TLRD - 2005
F75LA / F75LA_0112 - 2006-Present
F75TLR / F75TLR_041 - 2006-Present
F80 F80TLRX / F80TXRX - 1999
F80TLRY / F80TXRY - 2000
F80TLRZ - 2001
F80TJRA / F80TLRA - 2002
F80TJRB / F80TLRB - 2003
F90 F90TJRB / F90TLRB - 2003
F90TJRC / F90TLRC - 2004
F90TJRD / F90TLRD / F90TXRD - 2005
F90JA / F90JA_0112 - 2006-Present
F90LA / F90LA_0112 - 2006-Present
F90TJR / F90TJR_041 - 2006-Present
F90TLR / F90TLR_041 - 2006-Present
F90TXR / F90TXR_041 - 2006-Present
F90XA / F90XA_0112 - 2006-Present
F100 F100TLRX / F100TXRX - 1999
F100TLRY / F100TXRY - 2000
F100TLRZ / F100TXRZ - 2001
F100TLRA / F100TXRA - 2002
F100TLRB / F100TXRB - 2003
F115 - 2000-2005 F115TLRY / F115TXRY - 2000
F115TLRZ / F115TXRZ - 2001
F115TJRA / F115TLRA / F115TXRA - 2002
F115TJRB / F115TLRB / F115TXRB - 2003
F115TJRC / F115TLRC / F115TXRC - 2004
F115TJRD / F115TLRD / F115TXRD - 2005
F115 - Later Models F115JA, F115LA, F115TJR, F115TLR, F115TXR and F115XA applications from 2006-Present, including supplied 011, 061, 04 and 0405-0411 suffix variants.
LF115 LF115TXRY - 2000
LF115TXRZ - 2001
LF115TXRA - 2002
LF115TXRB - 2003
LF115TXRC - 2004
LF115TXRD - 2005
LF115TXR / LF115TXR_0 / 0405-0407 - 2006-Present
LF115XA / LF115XA_01 / LF115XA_06 - 2006-Present
Fitment Note

Verify the complete Yamaha model number before ordering. Yamaha used different cylinder-head and valve-train components across similar horsepower families.

Confirm that the engine application calls for K0A-A3722-00-00.

Pro Marine Aftermarket Option

Pro Marine Exhaust Valve Stem Seal - A3722

Pro Marine aftermarket replacement for the compatible Yamaha OEM exhaust valve stem seal application.

Brand: Pro Marine
Type: Exhaust Valve Stem Seal
Replaces: K0A-A3722-00-00

View Pro Marine Exhaust Valve Seal

Related Cylinder Head Rebuild Parts

Yamaha Valve Spring Pro Marine Valve Spring - 67F-12114P

Replacement valve spring for compatible Yamaha F75-F115 four-stroke cylinder heads.

OEM: 67F-12114-00-00
Mercury Cross Reference: 804131

View Valve Spring
OEM Intake Seal Yamaha OEM Intake Valve Stem Seal

Matching genuine Yamaha intake-side valve stem seal for compatible cylinder heads.

OEM: K0A-A3721-00-00

View OEM Intake Valve Seal
Pro Intake Seal Pro Marine Intake Valve Stem Seal - A3721

Aftermarket intake valve stem seal for compatible Yamaha four-stroke cylinder heads.

Replaces: K0A-A3721-00-00

View Pro Marine Intake Seal
F115 Intake Valve Pro Marine Intake Valve - 68V-12111P

Length: 96.9mm
Head Diameter: 29mm

Replacement intake valve for compatible Yamaha four-stroke cylinder-head rebuilds.

View Intake Valve
F115 Exhaust Valve Pro Marine Exhaust Valve - 68V-12121P

Length: 99.3mm
Head Diameter: 23.9mm

Replacement exhaust valve for compatible Yamaha four-stroke cylinder-head rebuilds.

View Exhaust Valve

Valve Train Service Components

Component OEM / Aftermarket Option
Exhaust Valve Stem Seal Yamaha OEM K0A-A3722-00-00 / Pro Marine A3722
Intake Valve Stem Seal Yamaha OEM K0A-A3721-00-00 / Pro Marine A3721
Valve Spring Pro Marine 67F-12114P
Intake Valve Pro Marine 68V-12111P
Exhaust Valve Pro Marine 68V-12121P

What This Part is Used For

The exhaust valve stem seal fits around the exhaust valve stem and helps control the amount of engine oil passing between the valve stem and valve guide.

The exhaust valve operates in a particularly high-temperature area of the cylinder head. The valve stem seal must provide controlled lubrication to the valve stem and guide while limiting excessive engine oil from entering the exhaust port or combustion chamber.

Why Exhaust Valve Stem Seals Matter

Valve stem seals are exposed to repeated heat cycles and can harden, deteriorate or become damaged over time. A worn seal may allow excessive oil to travel past the valve guide.

During a cylinder-head rebuild, replacing worn valve seals while the valve train is already disassembled can help prevent future oil-control issues and avoid additional cylinder-head disassembly.

When to Replace Exhaust Valve Stem Seals

  • During a complete cylinder-head rebuild
  • When replacing exhaust valves
  • When servicing valve guides
  • If the existing seal is hardened, cracked or damaged
  • When excessive oil consumption is traced to the cylinder head
  • After engine overheating or valve-train damage
  • During a complete powerhead overhaul

Inspect These Components at the Same Time

  • Exhaust valve stems
  • Intake valve stems
  • Intake valve stem seals
  • Valve guides
  • Valve seats
  • Valve springs
  • Valve spring retainers
  • Valve keepers
  • Camshaft lobes and journals
  • Cylinder-head sealing surfaces

Shop Yamaha Engine Rebuild Parts by Model

Pro Marine stocks pistons, piston rings, crankshaft bearings, connecting rod bearings, cylinder sleeves, intake and exhaust valves, valve seals, gaskets and other internal Yamaha four-stroke components.

Shop Yamaha Engine Rebuild Parts by Model

Key Features

  • Genuine Yamaha OEM exhaust valve stem seal
  • OEM number K0A-A3722-00-00
  • Fits select Yamaha F75 applications
  • Fits select Yamaha F80 applications
  • Fits select Yamaha F90 applications
  • Fits select Yamaha F100 applications
  • Fits extensive Yamaha F115 applications
  • Fits Yamaha LF115 applications
  • Pro Marine A3722 aftermarket alternative linked above
  • OEM and Pro Marine intake valve seals linked above
  • Valve spring linked above
  • Replacement intake and exhaust valves linked above

FAQ

What is the Yamaha OEM number for this exhaust valve seal?
The OEM number is K0A-A3722-00-00.

Is this a genuine Yamaha part?
Yes. This listing is for the Yamaha OEM exhaust valve stem seal.

Do you have a Pro Marine version?
Yes. The Pro Marine A3722 aftermarket exhaust valve seal is linked above.

Does K0A-A3722-00-00 fit Yamaha F115?
Yes. The supplied fitment includes extensive F115 applications from early engines through later model variants.

Does this fit Yamaha F75, F80, F90 and F100?
Yes. Select applications from each of those Yamaha four-stroke engine families are included in the fitment above.

Does it fit Yamaha LF115?
Yes. Multiple LF115 applications are included.

Do you stock the intake valve stem seal?
Yes. Both the Yamaha OEM K0A-A3721-00-00 and Pro Marine A3721 intake valve stem seals are linked above.

Do you stock the exhaust valve?
Yes. The Pro Marine 68V-12121P exhaust valve is linked above.

Do you stock the intake valve?
Yes. The Pro Marine 68V-12111P intake valve is linked above.

Do you stock the valve spring?
Yes. The Pro Marine 67F-12114P valve spring is linked above.

Dealer Discounts & Store Policies

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Shipping Policy

  • Free shipping on orders over $100 in the continental U.S.
  • Orders received before 5:30 PM EST ship the same business day.
  • Typical delivery time is 1-5 business days.

30-Day Return Policy

  • Returns accepted within 30 days of delivery.
  • Parts must be new, unused and in original packaging.
  • Installed parts are not returnable.
  • Return authorization is required before returning parts.

Need help verifying fitment?
Contact Pro Marine
Phone: 941-721-3000

Searchable Part Numbers & Terms

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Item#:
K0A-A3722
Cross Reference#:
K0A-A3722-00-00
Manufacturer Item:
K0A-A3722-00-00
Manufacturer:
Yamaha Outboard
Available:
In Stock
Your Price:
6.49
Each
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