YFZ450R YFZ 450R 450X Big Bore Cylinder Complete Motor Engine Rebuild Kit 478 cc

21003-K01, 4406, CBK0179, 13029M09800, 4906M09800, 247952, M1009, 222086,808994, 822350, C3068, 503000, 18P-13300-00-00, 503000, 811994, TBK0071, K072, 93306-30644-00, 94591-57120-00, 2S2-11311-30-00, 4FM-12213-00 2S2-11311-30-00,

FITS ALL YAMAHA YFZ450R/450X MODELS AND YEARS FUEL INECTED MODEL ONLY!

BPRATV  98mm Big Bore Nikasil Cylinder (1 Year Warranty)*

Hot Rods Heavy Duty OEM Replacement Crankshaft with Connecting Rod

Wiseco , CP-Carrillo, JE, or Wossner Forged Piston Kit*

Hi temp piston rings

Chrome wristpin

Circlips

Main Crank bearings

Water pump bearing

Transmission bearings 

Shift cam bearing

Counter balancer bearings

Complete gasket kit

Complete seal kit

Valve stem seals

Water pump mechanical seal

Head stud kit

Cam chain

Clutch kit

No modification of any kind is required to use this kit.  Everything is new in the original packaging and covered by warranty*