FITS ALL YAMAHA YFZ450R/450X MODELS AND YEARS FI MODEL ONLY! NEW stock bore cylinder. Hotrods HD crank with rod. 12.5:1 JE or CP forged piston. Clutch kit (fibers, steels, springs). 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 “YFZ450R YFZ 450R 450X Rebuild Kit Complete Bottom End Top Motor Engine Parts” is in sale since Sunday, March 10, 2019. 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.
Modified Item: Yes
Country/Region of Manufacture: United States
Custom Bundle: Yes
Surface Finish: Forged
Manufacturer Part Number: 4406 23001-k02 247952 k070 18p-11400-00-00