Cylinder Works Hi-Comp Cylinder & Piston Kit For 2017-2019 Yamaha YZ 250 FX 77mm Standard Bore

Cylinder Works Hi-Comp Cylinder & Piston Kit For 2017-2019 Yamaha YZ 250 FX 77mm Standard BorePart: Cylinder & Piston KitBrand: Cylinder WorksPart Number: 20010-K02HCFits: 2017-2019 Yamaha YZ 250 FXIncludes: Cylinder, Piston Kit, & Top-End Gasket KitBore: 77mmSize Over Standard: StandardCompression Ratio: 14.2:1Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylindersCylinder kits include matched Vertex pistons to ensure longevity, performance and reduced engine noiseNickel silicon carbide-plated for long lifeKits come complete with gaskets, cylinder, piston, rings, pin and clipsMade in the U.S.A.Fitment:2018-2019 Yamaha WR 250 F2016-2018 Yamaha YZ 250 F2017-2019 Yamaha YZ 250 FX