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, and intake gasket. 10.0:1 compression ratio lets it run on pump premium gas. As for all BBR bore kits, we recommend using enthanol free gasoline (see www.pure-gas.org)
Features:

• 52 mm piston
• 95.6 cc displacement
• 10.0:1 compression ratio
• Includes new aluminum cylinder, piston, rings, pin, clips, head and base gaskets
• Fits CRF/XR80 model years 1979 – 2013
• Works with BBR CRF/XR100 camshaft