Cylinder Works
Cylinder Works 21010-K01 Big Bore Cylinder Kit (269cc) - 3.00mm Oversize to 80.00mm, 13.5:1 Compression
Generally ships to addresses in the contiguous United States the same business day if ordered by 12:15PM Central Time!
Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders.
Three kit options to choose from: Standard Bore, Standard Bore Hi-Compression and Big Bore.
Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced engine noise.
Nickel Silicon Carbide plated for long life.
Kits come complete with gaskets, cylinder, piston, rings, pin and clips.
Big bore cylinders do not require machine work (unless noted).
Yamaha WR250F 2015-2019
Yamaha YZ250F 2014-2018
Yamaha YZ250FX 2015-2019
Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders.
Three kit options to choose from: Standard Bore, Standard Bore Hi-Compression and Big Bore.
Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced engine noise.
Nickel Silicon Carbide plated for long life.
Kits come complete with gaskets, cylinder, piston, rings, pin and clips.
Big bore cylinders do not require machine work (unless noted).
Yamaha WR250F 2015-2019
Yamaha YZ250F 2014-2018
Yamaha YZ250FX 2015-2019
Please Note:
Note: