88cc stage 1 Big Bore Kit (52mm):
- Lightweight aluminum cylinder with steel sleeve
- Cast in mounts on cylinder for aftermarket skid plates
- Oversized cooling fins on cylinder for efficient heat dissipation
- High compression 52mm piston with rings, pin, & clips
- Head gasket kit
88cc stage 1 Big Bore Kit (52mm):
- Lightweight aluminum cylinder with steel sleeve
- Cast in mounts on cylinder for aftermarket skid plates
- Oversized cooling fins on cylinder for efficient heat dissipation
- High compression 52mm piston with rings, pin, & clips
- Head gasket kit
We recommend purchasing a high volume oil pump kit (available at the bottom of the page).
Installation Note: It will save a lot of time and effort if the oil pump is installed while installing the bore kit (requires cylinder removal).
Fits - CRF50, XR50
Years - ( 2000 - Current )
