Yamaha YFZ450 YFZ 450 Stock OEM Crank Complete Rebuilt Motor Engine Rebuild Kit

FITS ALL YAMAHA YFZ450 CARB MODELS AND YEARS! 

GENUINE YAMAHA OEM CRANKSHAFT ASSEMBLY WITH  WITH CONNECTING ROD

MADE IN JAPAN

BPRATV 95mm stock bore nikasil cylinder (1 year warranty)*

Wiseco, JE, CP or Wossner forged piston kit**

Hi temp piston rings

Chrome wristpin

Circlips

Crank bearings

Crank balancer bearings

Transmission bearings

Shift cam bearing

Water pump bearing

Head stud kit

Clutch kit

Complete top and bottom end gasket kit

MLS head gasket

Complete crankcase oil seal kit

Valve stem seals

Timing chain

Piston uses pump or race gas.  Everything is new in the original packaging.  We are an authorized distributor and the original manufacturer’s warranty applies*