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Yamaha / Mercury Connecting Rod Bolt
Yamaha F75-F130 & Mercury 115 EFI Connecting Rod Bolt - RB115
The RB115 Connecting Rod Bolt is used in select Yamaha F75, F90, F115, F130, VF90 and VF115 four-stroke outboards, as well as select Mercury 115HP EFI engines.
This connecting rod bolt cross references Yamaha K1C-A3275-00-00 and Mercury 880896.
If you are rebuilding one of the compatible Yamaha engines, Pro Marine also stocks the matching F75SSROD one-size connecting rod bearing set, linked below.
OEM & Cross Reference Numbers
| Brand / Type | Part Number |
|---|---|
| Pro Marine Item | RB115 |
| Yamaha OEM | K1C-A3275-00-00 |
| Mercury OEM | 880896 |
Yamaha Outboard Fitment
Yamaha uses this connecting rod bolt across several generations of four-cylinder four-stroke outboards. Verified applications include F75, F90, F115, F130, LF115, LF130, VF90 and VF115 engine families.
| Engine Family | Verified Applications |
|---|---|
| Yamaha F75 | F75LA, F75LB, F75TLR, F75XB and related suffix configurations. |
| Yamaha F90 | F90JA, F90JB, F90LA, F90LB, F90LB2, F90LB3, F90TJR, F90TLR, F90TXR, F90XA, F90XB and F90XB2. |
| Yamaha F115 | F115JA, F115JB, F115LA, F115LB, F115LB2, F115LB3, F115TJR, F115TLR, F115TXR, F115XA, F115XB and F115XB2. |
| Yamaha LF115 | LF115TXR, LF115XA, LF115XB, LF115XB2 and related counter-rotation configurations. |
| Yamaha F130 / LF130 | F130LA, F130XA and LF130XA applications. |
| Yamaha VF90 SHO | VF90LA, VF90LB, VF90XA, VF90XB and related V MAX SHO variants. |
| Yamaha VF115 SHO | VF115LA, VF115LB, VF115XA, VF115XB and related V MAX SHO configurations. |
Detailed Yamaha F115 Coverage
The supplied application information includes Yamaha F115 fitment from early F115 four-stroke models through later-generation engines.
| Model Family | Coverage |
|---|---|
| F115TLR / F115TXR | Includes 2000, 2001, 2002, 2003, 2004, 2005 and later applications. |
| F115TJR | Includes 2002-2005 and later TJR applications. |
| F115JA / LA / XA | Later-generation F115 applications and associated suffix configurations. |
| F115JB / LB / XB | Later F115 engine families including multiple 2020-2023 model-code variants. |
| LF115 | Counter-rotation LF115TXR, LF115XA and later LF115XB families. |
Mercury 115HP EFI Fitment
Mercury also uses the 880896 connecting rod bolt on select 115HP EFI four-stroke applications. The supplied Mercury catalog information identifies the following serial-number ranges:
| Engine | Serial Range |
|---|---|
| Mercury 115HP EFI | 0T178500 thru 0T800999 |
| Mercury 115HP EFI | 0T801000 thru 1B226999 |
| Mercury 115HP EFI | 1B227000 thru 1B366822 |
Connecting rod bolts can change within the same horsepower family. Do not order by horsepower alone.
For Yamaha applications, verify the engine model and confirm that the connecting rod assembly calls for K1C-A3275-00-00.
For Mercury applications, verify the engine serial number and confirm that the engine calls for 880896.
Matching Yamaha Connecting Rod Bearing Set
Rebuilding a Yamaha F75-F115 engine? Pro Marine offers a matching one-size connecting rod bearing set that eliminates the traditional Yamaha color-code selection process.
Pro Marine Yamaha F75-F115 Connecting Rod Bearing Set - F75SSROD
Pro Marine one-size connecting rod bearing set for compatible Yamaha four-stroke engines. This bearing system eliminates the need to select individual factory bearing colors.
When rebuilding the connecting rods, inspect the rod bolts and bearings together before reassembly.
Yamaha Engine Rebuild & Maintenance Resources
Need more than the connecting rod bolt? Use the Pro Marine Yamaha sections below to find additional internal engine parts, complete maintenance kits and oil-change kits.
Yamaha Engine Rebuild Parts by Model
Shop pistons, rings, bearings, valves, gaskets, sleeves and other internal Yamaha powerhead components organized by engine family.
Yamaha 4-Stroke Service Kits
Shop Yamaha four-stroke maintenance kits with the commonly needed filters, spark plugs, seals and service components for scheduled maintenance.
Yamaha Oil Change Kits
Shop Yamaha oil-change kits organized by engine model, including engine oil and the service components needed for routine oil changes.
What the Connecting Rod Bolt Does
Connecting rod bolts secure the connecting rod cap to the connecting rod. The assembly surrounds the crankshaft journal and must remain securely clamped while the piston and rod repeatedly change direction at engine speed.
Rod bolts are highly stressed engine fasteners. Correct bolt condition, installation procedure and tightening specification are critical during a powerhead rebuild.
Why Inspect or Replace Connecting Rod Bolts During a Rebuild?
Connecting rod bolts are subjected to repeated tensile loading every time the engine operates. During a powerhead rebuild, inspect the bolts and connecting rod assembly carefully for damage, thread problems, corrosion, stretching or other signs that could compromise clamping force.
Follow the applicable Yamaha or Mercury service procedure for the exact engine being assembled. Torque specifications and whether a fastener should be reused can vary by engine family.
Related Parts to Inspect During Connecting Rod Service
- Connecting rod bearings
- Connecting rod journals
- Connecting rod and cap mating surfaces
- Pistons and piston pins
- Piston rings
- Crankshaft main bearings
- Crankshaft journals
- Oil passages and lubrication system
Key Features and Benefits
- Connecting rod bolt for Yamaha and Mercury applications
- Pro Marine item number RB115
- Replaces Yamaha K1C-A3275-00-00
- Replaces Mercury 880896
- Fits select Yamaha F75 four-stroke engines
- Fits select Yamaha F90 four-stroke engines
- Fits extensive Yamaha F115 / LF115 applications
- Fits select Yamaha F130 / LF130 applications
- Fits select Yamaha VF90 V MAX SHO engines
- Fits select Yamaha VF115 V MAX SHO engines
- Fits select Mercury 115HP EFI serial ranges
- Matching Yamaha connecting rod bearing set linked above
- Yamaha rebuild parts section linked above
- Yamaha service and oil-change kit sections linked above
FAQ
What OEM numbers does RB115 replace?
RB115 cross references Yamaha K1C-A3275-00-00
and Mercury 880896.
Does RB115 fit Yamaha F75?
Yes. Verified applications include select F75LA, F75LB, F75TLR and
F75XB configurations.
Does this fit Yamaha F90?
Yes. The supplied fitment includes extensive F90JA, F90JB, F90LA,
F90LB, F90TJR, F90TLR, F90TXR, F90XA and F90XB applications.
Does it fit Yamaha F115?
Yes. This bolt is used across a broad range of Yamaha F115 engines,
including early F115TLR / TXR models and later JA, JB, LA, LB, XA and
XB engine families.
Does it fit Yamaha LF115?
Yes. Verified counter-rotation applications include LF115TXR,
LF115XA, LF115XB and related variants.
Does this fit Yamaha F130?
Yes. The supplied fitment includes F130LA, F130XA and LF130XA.
Does RB115 fit Yamaha V MAX SHO?
Yes. Verified applications include select VF90 and VF115
V MAX SHO engine families.
Does this fit Mercury 115HP EFI?
Yes. The supplied Mercury fitment includes
0T178500 thru 0T800999,
0T801000 thru 1B226999, and
1B227000 thru 1B366822.
What connecting rod bearings go with this bolt?
For compatible Yamaha F75-F115 applications, the
Pro Marine F75SSROD connecting rod bearing set
is linked above.
Where can I find the other parts needed to rebuild my Yamaha?
Use the
Yamaha Engine Rebuild Parts by Model
section to shop internal engine components organized by application.
Do you have complete Yamaha maintenance kits?
Yes. Pro Marine has dedicated
Yamaha 4-Stroke Service Kits
and
Yamaha Oil Change Kits
.
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.
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
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