BBR introduces the first complete big bore kit for the CRF80 (and XR80)! Our new bore kit includes the cylinder making for a quick and easy upgrade. It features a 52 mm high compression piston resulting in a displacement of 95.6 cc. This kit includes the head gasket, base gasket, intake gasket, and High performance camshaft.. 10.0:1 compression ratio lets it run on pump premium gas.
- 52 mm piston
- 95.6 cc displacement
- 10.0:1 compression ratio
- High performance camshaft
- Includes new aluminum cylinder, piston, rings, pin, clips, head and base gaskets
- Fits CRF/XR80 model years 1979 - 2013
As for all BBR bore kits, we recommend using ethanol free gasoline (see www.pure-gas.org).