Seller notes

You are bidding on a Brand new WISECO 478CC big bore kit for YAMAHA YFZ450, years 06-2012. Kit comes complete with everything you need. You will need to have your cylinder resleeved with this new 478cc sleeve. This is the perfect kit for those cylinders that have been scored , grooved, scratched up! 98MM WISECO piston kit Rings C-CLips Wrist pin Top end Gastket kit Brand new 478cc Cylinder Sleeve 11.9:1 Compression Note: We do offer a "TRUE" bolt on big bore kit that comes complete with a new Cy...

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