YZ250 YZ 250 Fully Ported Cylinder Stage 3 Full Race Porting Top End Rebuild Kit
FITS ALL 1999+ YAMAHA YZ250 TWO STROKE DIRT BIKES
- New aftermarket Nikasil cylinder
- Stage 3 port and polish
- Wiseco or Wossner forged piston**
- Nitrite coated piston rings
- Chrome wristpin
- Circlips
- Wristpin bearing
- Cylinder Works cylinder head
- Top end gasket kit
- MAXLOCK head stud kit
- Maxlock cylinder to case stud kit
- Piston uses pump or race gas. Everything is new in the original packaging and the manufacturer's warranties apply*