Internal Engine Components | Mercury Outboard

Genuine OEM Yamaha Cylinder Head Gasket

Genuine Yamaha Starboard Cylinder Head Gasket for F200 F225 LF200 LF225 Outboards

The Genuine OEM Starboard Cylinder Head Gasket - Item 7848-1 is a factory replacement gasket for select Yamaha F200, F225, LF200, and LF225 200-225 HP V6 4-stroke outboards. It is also cross-referenced for specified Mercury 225 HP EFI applications.

This OEM gasket is designed for installation between the starboard cylinder head and engine block. It provides the sealing interface required to maintain combustion compression while separating cooling water and lubrication passages.

Cross-reference numbers include 69J-11181-01-00, 69J-11181-02-00, 69J-11181-03-00, 887848, and 887848002.

This factory replacement gasket is intended for compatible cylinder head repairs, gasket replacement, and engine rebuilding where an original equipment component is preferred.

Aftermarket Alternative Available: Pro Marine USA also stocks the Pro Marine 7848 Starboard Cylinder Head Gasket .

Product Information

• Pro Marine Item Number: 7848-1
• Brand: Genuine OEM Yamaha
• Product Type: Cylinder Head Gasket
• Installation Position: Starboard Cylinder Head
• Yamaha Applications: F200, F225, LF200, LF225
• Yamaha Horsepower: 200 and 225 HP
• Yamaha Engine Type: V6 4-Stroke Outboard
• Listed Yamaha Model Years: 2002-Present, specified models only
• Additional Application: Select Mercury 225 HP EFI Outboards
• Mercury Serial Number: 0T653945 and later, subject to OEM verification
• Yamaha OEM References: 69J-11181-01-00, 69J-11181-02-00, 69J-11181-03-00
• Additional Cross References: 887848, 887848002
• Condition: New
• Quantity: 1 Starboard Cylinder Head Gasket

OEM and Cross Reference Numbers

This Genuine OEM starboard cylinder head gasket is associated with the following Yamaha and Mercury replacement part numbers.

Cross-reference numbers identify related OEM applications. Confirm the required gasket number against the engine's parts diagram before ordering.

What This Part Is Used For

The Genuine OEM starboard cylinder head gasket seals the joint between the starboard cylinder head and engine block on compatible Yamaha V6 4-stroke outboard engines.

The gasket helps maintain combustion chamber pressure and separates cooling water and lubrication passages to prevent unwanted internal leakage.

Common Repair Applications

• Yamaha F200 starboard cylinder head repairs
• Yamaha F225 cylinder head gasket replacement
• Yamaha LF200 and LF225 powerhead service
• Compatible Mercury 225 HP EFI cylinder head repairs
• Engine repairs involving compression loss
• Repairs involving cooling water intrusion
• Overheating-related cylinder head service
• Compatible V6 outboard engine rebuilding

Important Fitment Note - Starboard Side Only

Item 7848-1 is the STARBOARD cylinder head gasket. It is not the port-side gasket.

The port and starboard cylinder head gaskets are separate components. Always select the correct gasket for the cylinder head being serviced.

For the port cylinder head, choose Genuine OEM Port Gasket 7849-1 or Pro Marine Port Gasket 7849 .

Verify the complete engine model, production year, serial number, and cylinder head position before ordering.

Compatible Yamaha Outboard Applications

The following Yamaha applications are organized by engine family and production year. The individual model designations are retained to help identify the correct factory replacement.

Yamaha F200 - 200 HP 4-Stroke

Yamaha F225 - 225 HP 4-Stroke

Yamaha LF200 - 200 HP 4-Stroke

Yamaha LF225 - 225 HP 4-Stroke

Compatible Mercury Outboard Applications

This gasket is also cross-referenced for the following Mercury outboard application.

Mercury fitment is limited to the supplied 225 HP EFI application. Confirm the complete serial number and required OEM gasket number.

Aftermarket and Port-Side Cylinder Head Gaskets Available

Pro Marine USA stocks both OEM and aftermarket cylinder head gaskets for the starboard and port cylinder heads. Select the correct side and replacement option for your repair.

Common Symptoms of a Failed Cylinder Head Gasket

A damaged cylinder head gasket may allow combustion gases, cooling water, or engine oil to leak between internal engine passages.

• Loss of compression in one or more cylinders
• Engine overheating
• Cooling water entering a combustion chamber
• Water contamination in engine oil
• Rough idle or engine misfires
• Reduced engine performance
• Difficulty starting
• Combustion gases entering the cooling system
• Visible damage to the original cylinder head gasket

Installation and Service Tips

Cylinder head gasket replacement requires cylinder head removal and careful inspection of the sealing surfaces. Follow the applicable Yamaha or Mercury service manual for the exact engine model and serial number.

Recommended Installation Practices

• Confirm the complete engine model and serial number.
• Verify that the replacement is for the starboard cylinder head.
• Allow the engine to cool before beginning disassembly.
• Follow the manufacturer's specified cylinder head removal procedure.
• Inspect the cylinder head and engine block sealing surfaces.
• Check for warpage, cracks, corrosion, and other damage.
• Remove old gasket material without damaging sealing surfaces.
• Keep debris out of cylinders, oil passages, and cooling passages.
• Install the new gasket in the correct orientation.
• Follow the specified cylinder head tightening sequence.
• Use the manufacturer's required fastener torque procedure.
• Replace additional fasteners or seals when required by the service manual.
• Inspect the cooling system for conditions that caused the original failure.
• Check engine operation and cooling performance after reassembly.

Key Features and Benefits

• Genuine OEM Replacement: Factory cylinder head gasket for compatible Yamaha 200-225 HP V6 4-stroke outboards.
• Starboard-Specific Application: Intended for installation on the starboard cylinder head.
• Yamaha Model Compatibility: Listed for specified F200, F225, LF200, and LF225 models.
• Mercury Cross-Reference Application: Listed for select Mercury 225 HP EFI engines beginning at serial 0T653945.
• Multiple OEM References: Cross references Yamaha 69J-11181-series and Mercury 887848-series part numbers.
• Factory Replacement Component: Intended for compatible cylinder head repairs and engine rebuilding.
• Aftermarket Alternative Available: Pro Marine 7848 is stocked separately.
• Matching Port Gaskets Available: OEM 7849-1 and Pro Marine 7849 are available separately.

Frequently Asked Questions

Is item 7848-1 a Genuine OEM cylinder head gasket?

Yes. Item 7848-1 is the Genuine OEM starboard cylinder head gasket offered by Pro Marine USA for the listed applications.

Does this gasket fit Yamaha F200 outboards?

Yes. It is listed for specified Yamaha F200TXR models beginning in 2002, including F200TXRA, F200TXRB, F200TXRC, F200TXRD, and F200TXR.

Does this gasket fit Yamaha F225 outboards?

Yes. Compatible applications include the listed Yamaha F225TUR and F225TXR model designations.

Does this gasket fit Yamaha LF200 and LF225 engines?

Yes. The supplied fitment includes specified LF200TXR, LF225TUR, and LF225TXR models.

Does this gasket fit Mercury 225 HP EFI outboards?

It is cross-referenced for select Mercury 225 HP EFI engines beginning at serial number 0T653945. Verify the required OEM gasket number before ordering.

Is this the port or starboard cylinder head gasket?

This is the starboard cylinder head gasket. The port gasket is a different part and must be ordered separately.

What is the matching OEM port cylinder head gasket?

The matching OEM port gasket is Item 7849-1 .

Is there a Pro Marine aftermarket starboard gasket?

Yes. Pro Marine USA also stocks Pro Marine 7848 as an aftermarket alternative.

Does this listing include both cylinder head gaskets?

No. This listing is for one starboard cylinder head gasket. The port-side gasket is sold separately.

How do I confirm the correct gasket for my engine?

Verify the complete engine model, production year, and serial number. Confirm the required OEM gasket number and cylinder head position using the appropriate parts diagram.

Dealer Discounts & Store Policies

Wholesale Marine Parts Pricing

Pro Marine USA supplies Genuine OEM and aftermarket marine engine parts, cylinder head gaskets, internal engine components, rebuild parts, and maintenance products to marine repair shops, dealerships, technicians, and retail customers.

Qualified marine businesses can apply for a Pro Marine dealer account to access wholesale pricing on eligible marine parts.

Apply for Dealer Pricing

Shipping Information

• Free shipping on orders over $100 within the continental United States.
• In-stock orders received before 5:30 PM EST ship the same business day, Monday-Friday.
• Shipping options available through UPS, USPS, and FedEx.
• Typical delivery time is 1-5 business days.

30-Day Return Policy

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

Need Help Confirming Fitment?

If you are unsure whether this Genuine OEM starboard cylinder head gasket is correct for your engine, contact Pro Marine USA with your engine model and complete serial number.

Contact Pro Marine USA or call 941-721-3000.

Searchable Part Numbers

7848-1, 7848, 69J-11181-01-00, 69J-11181-02-00, 69J-11181-03-00, 887848, 887848002

Searchable Terms

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Pro Marine Aftermarket Cylinder Head Gasket

Yamaha F200 F225 and Mercury 225 EFI Starboard Cylinder Head Gasket - Pro Marine 7848

The Pro Marine 7848 Starboard Cylinder Head Gasket is an aftermarket replacement for select Yamaha F200, F225, LF200, and LF225 4-stroke outboard engines, including applicable models from 2002-Present. It is also listed for certain Mercury 225 HP EFI outboards beginning at serial number 0T653945.

This gasket installs between the engine block and starboard cylinder head. It provides the sealing interface needed to maintain combustion chamber compression and separate the engine's cooling water and lubrication passages.

Pro Marine 7848 cross references Yamaha OEM numbers 69J-11181-01-00, 69J-11181-02-00, and 69J-11181-03-00, along with 887848 and 887848002.

Designed for compatible cylinder head repairs, head gasket replacement, and powerhead rebuilding, this aftermarket gasket provides an alternative to the factory OEM replacement.

Need the OEM version or port-side gasket? Pro Marine USA stocks both the Genuine OEM starboard gasket and separate port-side gaskets in OEM and Pro Marine aftermarket versions.

Product Information

• Pro Marine Part Number: 7848
• Brand: Pro Marine Aftermarket
• Product Type: Cylinder Head Gasket
• Installation Position: Starboard Cylinder Head
• Engine Manufacturers: Yamaha and Mercury
• Yamaha Engine Families: F200, F225, LF200, LF225
• Yamaha Horsepower: 200 and 225 HP
• Yamaha Engine Type: 4-Stroke V6 Outboard
• Yamaha Model Years: 2002-Present, specified models only
• Mercury Application: Select 225 HP EFI Outboards
• Mercury Serial Number: 0T653945 and later, subject to OEM verification
• Yamaha OEM References: 69J-11181-01-00, 69J-11181-02-00, 69J-11181-03-00
• Additional Cross References: 887848, 887848002
• Condition: New
• Quantity: 1 Starboard Cylinder Head Gasket

OEM and Cross Reference Numbers

Pro Marine 7848 cross references the following cylinder head gasket numbers for the specified Yamaha and Mercury applications.

Cross-reference numbers are provided for identification. Confirm the correct gasket using the engine model, production year, and applicable OEM parts diagram.

What This Part Is Used For

The starboard cylinder head gasket creates the seal between the starboard cylinder head and engine block on compatible Yamaha 200-225 HP V6 4-stroke outboards and specified Mercury 225 HP EFI applications.

This gasket helps maintain compression and prevents unwanted transfer of combustion gases, cooling water, and engine oil between internal engine passages.

Common Repair Applications

• Yamaha F200 starboard cylinder head gasket replacement
• Yamaha F225 starboard cylinder head repairs
• Yamaha LF200 and LF225 cylinder head service
• Compatible Mercury 225 HP EFI head gasket replacement
• Repairs involving compression loss
• Repairs involving cooling water intrusion
• Overheating-related cylinder head service
• Compatible V6 4-stroke powerhead rebuilding

Important Fitment Note - Starboard Side Only

Pro Marine 7848 is the STARBOARD cylinder head gasket. It is not the port-side gasket.

The port and starboard cylinder head gaskets are different parts and must be installed in their correct positions.

For the port cylinder head, use Pro Marine 7849 or the Genuine OEM Port Gasket 7849-1 .

Always verify the engine model, year, serial number, and required gasket position before ordering.

Compatible Yamaha Outboard Applications

Pro Marine 7848 is listed for the following Yamaha F200, F225, LF200, and LF225 4-stroke V6 outboard models.

The model-specific applications below preserve the supplied Yamaha model designations while grouping consecutive production years into readable ranges.

Yamaha F200 - 200 HP 4-Stroke

Yamaha F225 - 225 HP 4-Stroke

Yamaha LF200 - 200 HP 4-Stroke

Yamaha LF225 - 225 HP 4-Stroke

Compatible Mercury Outboard Applications

Pro Marine 7848 is also listed for the following Mercury outboard application.

Mercury fitment is limited to the specified 225 HP EFI application. Confirm the complete serial number and OEM gasket reference.

OEM and Port-Side Cylinder Head Gaskets Also Available

Pro Marine USA stocks all four gasket options for these compatible engine applications. Choose the correct cylinder head position and manufacturer before ordering.

Common Symptoms of a Failed Cylinder Head Gasket

A damaged cylinder head gasket can allow combustion gases, cooling water, or engine oil to leak between internal engine passages.

Possible symptoms include:

• Low compression in one or more cylinders
• Engine overheating
• Cooling water entering a combustion chamber
• Water contamination in engine oil
• Rough idle or engine misfires
• Reduced engine performance
• Difficulty starting
• Combustion gases entering the cooling system
• Visible damage to the original cylinder head gasket

Installation and Service Tips

Cylinder head gasket replacement requires removal of the cylinder head and careful inspection of the engine's sealing surfaces. Follow the applicable Yamaha or Mercury service manual for the exact engine model.

Recommended Installation Practices

• Verify the complete engine model and serial number.
• Confirm that the gasket is for the starboard cylinder head.
• Allow the engine to cool before beginning disassembly.
• Follow the manufacturer's cylinder head removal procedure.
• Inspect the cylinder head and engine block sealing surfaces.
• Check for warpage, cracks, corrosion, and other damage.
• Remove old gasket material without damaging sealing surfaces.
• Keep debris out of cylinders, oil passages, and cooling passages.
• Install the new gasket in the correct orientation.
• Follow the manufacturer's specified tightening sequence.
• Use the correct cylinder head fastener torque procedure.
• Replace additional fasteners or seals when required by the service manual.
• Inspect the cooling system for conditions that caused the original gasket failure.
• Check engine operation and cooling performance after reassembly.

Key Features and Benefits

• Pro Marine Aftermarket Replacement: Alternative to the factory OEM starboard cylinder head gasket.
• Starboard-Specific Design: Intended for the starboard cylinder head on compatible applications.
• Yamaha 200-225 HP Fitment: Listed for specified F200, F225, LF200, and LF225 4-stroke V6 models.
• Mercury 225 EFI Application: Listed for select Mercury 225 HP EFI outboards beginning at serial 0T653945.
• Multiple OEM Cross References: Includes Yamaha 69J-11181-series and Mercury 887848-series references.
• Engine Repair Component: Used during compatible cylinder head repairs and powerhead rebuilding.
• Matching Port Gasket Available: Pro Marine 7849 is stocked separately.
• Genuine OEM Alternative Available: OEM starboard gasket 7848-1 is also stocked.

Frequently Asked Questions

Does Pro Marine 7848 fit Yamaha F200 outboards?

Yes. It is listed for specified Yamaha F200TXR models beginning in 2002, including the F200TXRA, F200TXRB, F200TXRC, F200TXRD, and F200TXR model designations.

Does this head gasket fit Yamaha F225 engines?

Yes. Pro Marine 7848 is listed for specified Yamaha F225TUR and F225TXR 4-stroke models. Refer to the fitment table for the applicable model years.

Does this gasket fit Yamaha LF200 and LF225 engines?

Yes. The supplied fitment includes specified LF200TXR, LF225TUR, and LF225TXR models.

Does Pro Marine 7848 fit Mercury 225 HP EFI outboards?

It is listed for select Mercury 225 HP EFI engines beginning at serial number 0T653945. Confirm the required OEM gasket before ordering.

Is Pro Marine 7848 the port or starboard head gasket?

Pro Marine 7848 is the starboard cylinder head gasket. It is not interchangeable with the port-side gasket.

What is the matching port cylinder head gasket?

The matching aftermarket port gasket is Pro Marine 7849 . A Genuine OEM port version is also available as item 7849-1.

What OEM part numbers does Pro Marine 7848 replace?

Cross references include 69J-11181-01-00, 69J-11181-02-00, 69J-11181-03-00, 887848, and 887848002.

Do you stock the Genuine OEM starboard head gasket?

Yes. Pro Marine USA also stocks the Genuine OEM Starboard Cylinder Head Gasket - Item 7848-1 .

Does this listing include both port and starboard gaskets?

No. This listing is for one starboard cylinder head gasket. Port-side gaskets are sold separately.

How do I confirm the correct gasket for my engine?

Verify the engine manufacturer, complete model designation, production year, and serial number. Confirm the required gasket position and OEM part number using the appropriate engine parts diagram.

Dealer Discounts & Store Policies

Wholesale Marine Parts Pricing

Pro Marine USA supplies Genuine OEM and aftermarket marine engine parts, cylinder head gaskets, internal engine components, rebuild parts, and maintenance products to marine repair shops, dealerships, technicians, and retail customers.

Qualified marine businesses can apply for a Pro Marine dealer account to access wholesale pricing on eligible marine engine parts.

Apply for Dealer Pricing

Shipping Information

• Free shipping on orders over $100 within the continental United States.
• In-stock orders received before 5:30 PM EST ship the same business day, Monday-Friday.
• Shipping options available through UPS, USPS, and FedEx.
• Typical delivery time is 1-5 business days.

30-Day Return Policy

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

Need Help Confirming Fitment?

If you are unsure whether Pro Marine 7848 is the correct starboard cylinder head gasket, contact Pro Marine USA with your engine model and complete serial number.

Contact Pro Marine USA or call 941-721-3000.

Searchable Part Numbers

7848, 7848-1, 69J-11181-01-00, 69J-11181-02-00, 69J-11181-03-00, 887848, 887848002

Searchable Terms

Pro Marine 7848, Yamaha starboard cylinder head gasket, Yamaha F200 head gasket, Yamaha F225 head gasket, Yamaha LF200 head gasket, Yamaha LF225 head gasket, Yamaha 200 HP 4 stroke head gasket, Yamaha 225 HP 4 stroke head gasket, Yamaha V6 starboard head gasket, Yamaha F200TXR head gasket, Yamaha F225TUR head gasket, Yamaha F225TXR head gasket, Yamaha LF200TXR head gasket, Yamaha LF225TUR head gasket, Yamaha LF225TXR head gasket, Mercury 225 EFI head gasket, Mercury 225 HP starboard head gasket, Mercury 887848, Mercury 887848002, Yamaha 69J-11181-01-00, Yamaha 69J-11181-02-00, Yamaha 69J-11181-03-00, Yamaha cylinder head repair, Yamaha V6 powerhead rebuild, Yamaha head gasket replacement, Yamaha blown head gasket, Yamaha low compression, Yamaha cooling water intrusion, starboard cylinder head gasket, starboard head gasket replacement, aftermarket Yamaha head gasket, Pro Marine Yamaha engine parts, Pro Marine Mercury engine parts, Genuine OEM starboard gasket alternative, Pro Marine 7849 matching port gasket