Trail Bikes 88cc Big Bore Performance Kit (52mm) CRF50
88cc Big Bore Performance 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 in the Oil System section).
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).
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