Cylinder Piston Rebuild Kit for Yamaha GP-R 800 2003-2005

Cylinder/Piston Rebuild Kit for Yamaha GP-R 800

This cylinder and piston rebuild kit brings top end compression back to the Yamaha GP-R 800, supplying the bore and piston assembly needed to get a worn two stroke engine running right again.

Overview

This cylinder and piston rebuild kit is made for the Yamaha GP-R 800 and covers the top end parts needed to refresh a tired engine. A complete cylinder/piston rebuild kit is the go to choice when compression drops, letting the engine return to dependable performance on the water.

Built For Performance

• Complete top end kit with cylinder and matched piston
• Piston sized to work with the included cylinder bore
• Ring set designed for proper sealing and compression
• Wrist pin and circlips included for a full assembly
• Gasket and seal components to complete the rebuild
• Parts selected for two stroke marine engine service

Fits These Machines

• for Yamaha GP-R 800 (2003-2005)

On-The-Job Use

• Top end rebuild after low compression is found
• Routine engine refresh during seasonal service
• Piston seizure or scoring repair on a two stroke
• Shop rebuilds where matched cylinder and piston are needed together

Specs At A Glance

Good To Know

Q: Does this kit include everything for a top end rebuild? A: It is assembled as a cylinder and piston rebuild kit, so verify the contents listed and check your engine before ordering to confirm it matches your needs.

Q: Why replace the cylinder and piston together? A: A worn cylinder and piston wear as a pair, so replacing them as a matched set helps restore proper clearance and compression.

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