BBR 120cc Big Bore Kit 411-HXR-1001

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.

Upgrade select Honda XR100 and CRF100F models with the BBR 120cc Big Bore Kit, part number 411-HXR-1001. Developed over 10 years, this performance-focused kit includes a custom big-finned BBR aluminum cylinder, piston, rings, piston pin, clips, and BBR-exclusive motocross-grind performance camshaft.

The kit also includes heavy-duty valve springs, rockers with tappet adjusters, and head and base gaskets. Exhaust and intake gaskets must be purchased separately. Fitment includes 1981–1984 Honda XR100 models and 2004–2009 Honda CRF100F models.

Features:

• 120cc big bore kit designed for select Honda XR100 and CRF100F models
• BBR custom big-finned aluminum cylinder
• Includes piston, rings, piston pin, and clips
• BBR-exclusive motocross-grind performance camshaft
• Heavy-duty valve springs
• Rockers with tappet adjusters
• Includes head and base gaskets
• Exhaust and intake gaskets must be purchased separately

Fitment:
Honda CRF100F 2004
Honda CRF100F 2005
Honda CRF100F 2006
Honda CRF100F 2007
Honda CRF100F 2008
Honda CRF100F 2009
Honda CRF100F 2011
Honda CRF100F 2012
Honda CRF100F 2013
Honda XR100 1981
Honda XR100 1982
Honda XR100 1983
Honda XR100 1984
Honda XR100R 1985
Honda XR100R 1986
Honda XR100R 1987
Honda XR100R 1988
Honda XR100R 1989
Honda XR100R 1990
Honda XR100R 1991
Honda XR100R 1992
Honda XR100R 1993
Honda XR100R 1994
Honda XR100R 1995
Honda XR100R 1996
Honda XR100R 1997
Honda XR100R 1998
Honda XR100R 1999
Honda XR100R 2000
Honda XR100R 2001
Honda XR100R 2002
Honda XR100R 2003