Yamaha

Brand new OEM crankshaft Carrillo HD connecting rod Stroked to +5mm by Crankworks SKF crank bearings Polishing helps oil to get to far reaches...

Stage 1 Hotcams - intake and exhaust Talon HD timing chain Excellent upgrade over OEM cams Works with OEM or after market valve springs All brand n...

Works on all Yamaha YFZ450R models and years Grade 5 TITANIUM alloy material Clutch and stator side cover bolts Oil and water pump cover bolts Star...

COMPLETE ASSEMBLED BIG BORE MOTOR - PHOTOS ARE OF ACTUAL ITEM YOU WILL RECEIVEUsed core bottom end including crankcases, transmission, clutch baske...

THE BIGGEST BADDEST BIG BORE STROKER ON THE PLANET - 520cc!FITS ALL YAMAHA YFZ450r FI MODELS AND YEARS 98mm big bore cylinder +5mm CUSTOM BUILT...

Works on all Yamaha YFZ450R models and years  Aftermarket replacement crank pin and rod bearing SKF heavy duty main crankshaft bearings made in Ge...

Works on all Yamaha YFZ450R and YFZ450X models does NOT work on YFZ450 carb model Aftermarket replacement crank pin and rod bearing SKF heavy duty...

Works on all Yamaha YFZ450R and YFZ450X models does NOT work on YFZ450 carb model Aftermarket replacement crank pin and rod bearing Includes thrus...

FITS ALL YAMAHA 450cc ATVs AND MANY 450cc DIRT BIKESKibblewhite valve spring kitTitanium retainersHeat treated collars+1 Kibblewhite stainless stee...

Hotrods heavy duty replacement crank assemblyTrued and welded at pinCompletely polished crank and rodPerfect set up for stock or built motorPolishi...

Hotrods heavy duty replacement crank assemblyTrued and welded at pinCompletely polished crank and rodPerfect set up for stock or built motorPolishi...

COMPLETE BUILT ENGINE! PHOTOS ARE NOT STOCK THIS IS THE ENGINE YOU WILL RECEIVE!  HAS ALMOST EVERYTHING, INCLUDING ELECTRICAL (READ BELOW TO SEE EX...

New BPR 98mm cylinder 98mm Wiseco CP or JE forged piston** Nitrite coated piston rings Chrome wristpin Circlips Hotrods or Wiseco HD replacement c...

Kibblewhite +1mm White Diamond intake valves Kibblewhite standard size White Diamond exhaust valves Kibblewhite viton valve stem seals Stock bore ...

BUY IN BULK AND SAVE BIG TIME $$$ One pair of Hotrods replacement crank bearings Works on left or right side Replaces OEM # 93306-30633-00 Compati...

Works on all Yamaha YFZ450 carb models Used cylinder head in excellent condition Inspected, cleaned, sandblasted Full race port and polish Intake,...

Works on all Yamaha YFZ450 carb models Used cylinder head in excellent condition Inspected, cleaned, sandblasted Full race port and polish Intake,...

Works on all Yamaha YFZ450 carb models ONLY Aftermarket replacement crank pin and rod bearing SKF heavy duty main crankshaft bearings made in Germ...

CP-Carrillo heavy duty connecting rod for Hotrods +3mm stroker crank Rod bearing Crank pin Thrust washers (when applicable) CP-Carrillo 98mm hi...

FITS ALL YAMAHA YFZ450 CARB MODEL YEARS AND MODELS! 98mm big bore cylinder Wiseco or Wossner 98mm big bore forged piston** Hi temp piston rings Chr...