FITS ALL YAMAHA YFZ450 MODELS AND YEARS CARB MODEL ONLY! 98mm NEW DESIGN big bore cylinder.Hotrods +3mm stroker crank with rod. 12.5:1 JE Wiseco or CP forged piston. No modification of any kind is required to use this kit. Piston uses pump or race gas. We ALWAYS STRONGLY recommend that this be installed by a qualified mechanic with experience doing this type of work. The item "YFZ450 YFZ 450 Big Bore Stroker Motor Complete Engine Rebuild Kit 500cc 98mm" is in sale since Monday, March 20, 2017. This item is in the category "eBay Motors\Parts & Accessories\ATV, Side-by-Side & UTV Parts & Accessories\Engines & Components".
The seller is "bpracingatv" and is located in Upland, California. This item can be shipped worldwide.