Pay in 4 interest-free payments of $150.00 Learn more
Ships within 48 hours · Estimated delivery Jul 26 - Jul 31
Installation for either head option – $250 ($400 with cams and timing setup)
Clutch housing bearing - not one way bearing
5KM-11101-01-00
You'll feel the power gains right away
YZ250 YZ 250 Fully Ported Cylinder Stage 3 Full Race Porting Top End Rebuild Kit WR400F Installation for either head optionFITS 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 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* BPRATV The Best Parts. The Best