Cylinder Works - Yamaha YZ250 Complete Cylinder Kit

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Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders. Cylinder kits include matched Vertex pistons to ensure longevity , performance and reduced engine noise. Specifications: Compression Ratio: Standard Cylinder Diameter: 66.400 mm Cylinder Kit Type: Standard Bore Displacement: 250 cc Engine Type: 2-Cycle Includes: Cylinder, Cylinder Head, Piston Kit, Top End Gasket Kit, Wrist Pin Bearing and Power Valve Kit Show more