CRF100 '75 - '26
'75 - '91 XR75, XR80, XR100, XL75, XL80, XL100S
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Engine, Tools
Repair Manuals
Featured Products, Engine
Big Bore
CRF100 '81 - '26
Complete big bore kit. Bolt it on and ride!
- Includes a pre-bored, big-finned aluminum cylinder for improved cooling
- Cylinder, rings, piston pin, & clips
- BBR exclusive performance camshaft
- Heavy-duty valve springs
- Rockers with tappet adjusters
- Gasket kit