FITS ALL YAMAHA YFZ450 MODELS AND YEARS CARB MODEL ONLY! 12.5:1 CP forged piston. Cometic top end gasket kit. This is a bolt on kit with no machining required. Piston uses pump or race gas.
We recommend that this be installed by a qualified mechanic with experience doing this type of work. The item "YFZ450 YFZ 450 95mm Stock Cylinder 12.51 CP Carrillo Top End Rebuild Parts Kit" is in sale since Thursday, November 2, 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.