FITS ALL YAMAHA YFZ450 MODELS AND YEARS CARB MODEL ONLY! BIG TIME RELIABLE BOLT ON POWER!
98mm NEW DESIGN big bore cylinder. 12.5:1 JE Wiseco or CP forged piston.
Hi temp piston rings, DLC coated pin, clps. Clutch kit (fibers, steels, springs). Install break in and tuning instructions. No modification of any kind is required to use this kit.
We recommend that this be installed by a qualified mechanic with experience doing this type of work. The item "YFZ450 YFZ 450 Big Bore Stroker Engine Motor Rebuild Kit & Clutch 500cc 98 mil" is in sale since Thursday, June 8, 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.