Description

10 years in the making, this long-awaited kit rocks.Comes complete with custom “big finned” BBR aluminum cylinder, piston, rings, piston pin, clips, BBR exclusive motocross grind performance camshaft, HD valve springs, rockers with tappet adjusters, head and base gaskets.Exhaust and intake gaskets must be purchased separately.

Experience enhanced performance with the BBR 120cc Big Bore Kit, designed specifically for Honda XR100 and CRF100F models from 1981 to 2009. This comprehensive kit includes a custom “big finned” aluminum cylinder, high-performance piston, rings, piston pin, clips, and a BBR exclusive motocross grind camshaft. The kit also features heavy-duty valve springs, rockers with tappet adjusters, and head and base gaskets, providing a significant upgrade over stock components. Please note that exhaust and intake gaskets must be purchased separately to complete the installation.
Constructed with precision and durability in mind, the aluminum cylinder features large fins for improved cooling, ensuring consistent performance under demanding conditions. The performance camshaft is specially ground for motocross applications, delivering increased power and torque. Heavy-duty valve springs and adjustable rockers enhance valve control and longevity, making this kit suitable for aggressive riding styles and racing scenarios.
This upgrade transforms your Honda XR100 or CRF100F, providing increased displacement and power output without requiring extensive modifications. Whether you’re looking to boost your bike’s performance for racing or recreational riding, the BBR 120cc Big Bore Kit offers a reliable and efficient solution. Installation is straightforward for experienced mechanics, and the kit’s components are designed to integrate seamlessly with your existing engine setup, ensuring optimal performance and durability over time.

Features:

• Includes a custom aluminum cylinder with large cooling fins for improved heat dissipation

• High-performance piston, rings, and piston pin for increased displacement and power

• Motocross grind performance camshaft for enhanced engine output

• Heavy-duty valve springs and adjustable rockers with tappet adjusters for precise valve control

• Complete with head and base gaskets for a proper seal; exhaust and intake gaskets sold separately

Fitment:
Honda CRF100F2004
Honda CRF100F2005
Honda CRF100F2006
Honda CRF100F2007
Honda CRF100F2008
Honda CRF100F2009
Honda CRF100F2010
Honda CRF100F2011
Honda CRF100F2012
Honda CRF100F2013
Honda XR1001981
Honda XR1001982
Honda XR1001983
Honda XR1001984
Honda XR100R1985
Honda XR100R1986
Honda XR100R1987
Honda XR100R1988
Honda XR100R1989
Honda XR100R1990
Honda XR100R1991
Honda XR100R1992
Honda XR100R1993
Honda XR100R1994
Honda XR100R1995
Honda XR100R1996
Honda XR100R1997
Honda XR100R1998
Honda XR100R1999
Honda XR100R2000
Honda XR100R2001
Honda XR100R2002
Honda XR100R2003