01-13 YZ250F Top End Rebuild Kit 77mm Stock Bore Replacement Cylinder Piston Kit
FITS ALL '01-13 YAMAHA YZ250F AND WR250F MODELS
- Aftermarket stock bore nikasil cylinder (1 Year Warranty)
- Wiseco CP JE or Wossner forged piston*
- Nitrite coated piston rings
- Chrome wristpin
- Circlips
- Cometic or Vertex Top end gasket kit
- MLS head gasket
- Timing chain
- Maxlock TITANIUM head stud kit - LIFETIME WARRANTY*
- Piston uses pump or race gas
- No mods required
- 1 year warranty*
- We are an authorized distributor