Description
The Cylinder Works Standard Bore Cylinder is a high-quality, ready-to-install replacement for the OEM cylinder on the 2001-2013 Yamaha WR250F. It features a 77mm bore and a 12.7:1 compression ratio. Made from durable aluminum and plated with nickel silicon carbide, this cylinder offers enhanced longevity and performance. Designed to be a direct bolt-on replacement, it requires no additional machining and is honed to exact specifications for easy piston installation. The kit includes the cylinder, Vertex piston kit, and gaskets. Note: This product is intended for closed-course competition use only and is not legal for use on public roads.
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