YFZ450 YFZ 450 Water Oil Pump Mod Upgrade Complete Rebuilt Motor Engine Rebuild WR250F Designed for riders who demand

Designed for riders who demand durability

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Larger fins than OEM

Forged piston (Wiseco

YFZ450 YFZ 450 Water Oil Pump Mod Upgrade Complete Rebuilt Motor Engine Rebuild WR250F Designed for riders who demandFITS ALL YAMAHA YFZ450 CARB MODEL YEARS AND MODELS! DOES NOT FIT YFZ450R FI MODEL BPR aftermarket stock bore cylinder Wiseco JE or CP forged piston** Hi temp piston rings Chrome wristpin Circlips Head stud kit Hotrods or Wiseco crank with rod** Main bearings Crank balancer bearings Transmission bearings Shift cam bearing Water pump bearing and shaft Aftermarket oil pump Oil pump inner and outer rotors Complete gasket kit Complete crankcase oil seal