XR100 '81 - '25
CRF100 '81 - '25
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
