Description
A worn or damaged piston directly compromises your CR85R’s compression, throttle response, and overall reliability—especially critical in competitive or high-demand riding. The Wiseco PK1218 restores your top-end to OEM specifications with precision-engineered components, delivering the power consistency and durability your bike demands. This complete rebuild kit eliminates multiple sourcing headaches by bundling everything you need for a professional-grade installation.
- CNC-machined piston
- Forged aluminum construction
- Piston rings included
- Wrist pins included
- Circlips included
- Gasket set included
- Honda CR85R 2003-2007
- Bolt-on installation
- Enhanced compression ratio
- Thermal resistance rated









