Wrist Pin Bearing for Yamaha GP-R 1300 2003-2008

Wrist Pin Bearing for Yamaha

The wrist pin bearing for Yamaha GP-R 1300 personal watercraft connects the connecting rod to the piston pin, allowing smooth rotation under load in 2003-2008 models.

Overview

This wrist pin bearing for Yamaha is a small but critical engine component that sits between the connecting rod and the piston pin. It supports the reciprocating motion inside the cylinder, helping reduce friction and wear in the top end of the engine. It suits riders rebuilding or servicing a 2003-2008 GP-R 1300 who need a dependable replacement bearing.

Built For Performance

• Roller-style bearing designed for high-rpm two-stroke operation
• Hardened steel construction for resistance to fatigue and wear
• Precise tolerances for a proper fit on the wrist pin
• Handles the constant load changes of piston reciprocation
• Compact size suited to small-displacement marine engine assembly

Fits These Machines

• for Yamaha GP-R 1300, 2003-2008

On-The-Job Use

• Top-end rebuilds and piston replacement
• Crank and connecting rod service
• Routine engine maintenance on personal watercraft
• Restoring a worn or noisy top end

Specs At A Glance

Good To Know

Q: What does a wrist pin bearing do? A: It sits between the connecting rod and the piston pin, letting the rod pivot smoothly as the piston moves. A worn bearing can cause noise or top-end damage if not replaced.

Q: Should I replace it during a rebuild? A: It is good practice to replace the wrist pin bearing whenever you install a new piston or service the top end. Confirm the bearing matches your engine before ordering.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.