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New YAMAHA YZ250F (269cc) 2014-2018 Cylinder Works Big Bore Kit
NEW YZ250F CYLINDER WORKS BIGBORE 269cc CYLINDER KIT. SIZE: +3MM CHANGES TO 269CC. Requires no replating and look virtually identical to the OEM.
Vertex Forged Piston Kit 13.5:1 compression. Nickel Silicon Carbide plated for long life.
Honed to exact size for easy piston installation. Big bore cylinder kits come complete with gaskets, cylinder, piston, rings, pin and clips.
This part is also made for the following bikes. This is the entire cylinder no core charge or sleeving required, true bolt on equipment.