Archive | yfz450

YFZ450 YFZ 450 Valves Springs Guides Buckets Complete Head Rebuild Parts Kit

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FITS ALL YAMAHA YFZ450 MODELS AND YEARS CARB MODEL ONLY! Standard size steel valves. These valves and springs are NOT what you would need to use big cams that require heavy duty parts. They will work fine with Hotcams or OEM cams. We recommend that this be installed by a qualified mechanic with experience doing this type of work. This item is in the category “eBay Motors\Parts & Accessories\ATV, Side-by-Side & UTV Parts & Accessories\Engines […]

YFZ450 YFZ 450 Stock Complete Rebuilt Motor Engine Rebuild Assembly Parts Kit

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FITS ALL YAMAHA YFZ450 MODELS AND YEARS CARB MODEL ONLY! Wiseco CP or JE forged piston. Nitrite coated piston rings. Hotrods or Wiseco crankshaft with rod assembled. Water pump bearing and shaft. Oil pump inner and outer rotors. Complete gasket kit – top and bottom with head, base, exhaust, crankcase covers. Complete crankcase oil seal kit. Everything is new in the original packaging. PRICES AND LISTINGS ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE. […]

YFZ450 YFZ 450 98mm Big Bore Complete Rebuilt Motor Engine Rebuild Parts Kit 480

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FITS ALL YAMAHA YFZ450 CARB MODEL YEARS AND MODELS! DOES NOT FIT YFZ450R FI MODEL. NEW BP Racing big bore 98mm cylinder. Wiseco JE or CP forged piston. Hi temp piston rings. Hotrods or Wiseco crank with rod. Water pump bearing and shaft. 98mm big bore MLS head gasket. Complete crankcase oil seal kit. This is a bolt on kit with no machining required. Piston uses pump or race gas. At bpracingatv our kits come […]

YFZ450 YFZ 450 Big Bore 98 mil Cylinder Top End Rebuild 478 Complete Parts Kit

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FITS ALL YAMAHA YFZ450 MODELS AND YEARS CARB MODEL ONLY! 98mm REDESIGNED big bore cylinder. CP JE or Wiseco forged piston. Hi temp piston rings. Top end gasket kit. This is a bolt on kit with no machining required. Piston uses pump or race gas. COVID IS STILL CAUSING BACK ORDERS DAILY. WE STOCK THE EXACT SAME PARTS FROM DIFFERENT MANUFACTURERS SO THAT WHEN, NOT IF, BACK ORDERS HAPPEN WE HAVE AN ALTERNATE PART THAT […]

YFZ450 YFZ Valves Kibblewhite Valve Springs KPMI Complete Head Rebuild Parts Kit

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FITS ALL YAMAHA YFZ450 AND YFZ450R CARB AND FI MODELS AND YEARS. Kibblewhite chrome silicone valve springs. Kibblewhite heat treated collars. Kibblewhite White Diamond stainless steel valves. Kibblewhite bronze valve guides. Kibblewhite viton valve stem seals. This is a bolt on kit with no machining required. Piston uses pump or race gas. At bpracingatv our kits come with the same brand name parts (in many cases they ar better) as other rebuild kits you see […]

YFZ450 YFZ 450 Big Bore Stroker Motor Complete 500 Engine Rebuild Parts Kit 98mm

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FITS ALL YAMAHA YFZ450 CARB MODEL YEARS AND MODELS! Wiseco or CP forged piston. Hi temp piston rings. Hotrods +3mm stroker crank with rod. If you want a specific brand just ask This is a bolt on kit with no machining required. Piston uses pump or race gas. Everything is new in the original packaging. If you have ANY issue with something you order from us PLEASE let us fix the problem before you leave […]

YFZ450 YFZ 450 Motor Engine Parts Complete Top Bottom End Rebuild Kit w Clutch

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AT BP RACING ATV WE DO NOT JUST SELL PARTS. WE TEST TUNE REPAIR AND REBUILD EVERY ATV, UTV, SIDE x SIDE, AND DIRT BIKE PRODUCED. FITS ALL YAMAHA YFZ450 MODELS AND YEARS CARB MODEL ONLY! REBUILD YOUR MOTOR RIGHT! 12.5:1 JE or CP piston kit. Clutch kit (fibers, steels, springs). Heavy duty main bearings. Water pump rebuild kit. No modification of any kind is required to use this kit. Piston uses pump or race […]