High quality bore kit that shows substantial power gains throughout the RPM range. 65mm piston. 9.8:1 compression ratio allows use of premium pump gas. Complete kit includes: cylinder, piston, ring set, pin, clips and gaskets.
All new design
Brand new high quality BBR aluminum cylinder
9.8:1 compression ratio
Includes cylinder, piston, pin, rings, and gaskets
Note: This bore kit only fits the 2006-2017 CRF150F. The 2003-2005 CRF150F is a completely different motor and will not accept this bore kit.