Cylinder Kits - Standard Cylinder Only

Standard Cylinder Only

• California Prop 65 Warning: Cancer and Reproductive Harm - https://www.p65warnings.ca.gov/
• UPC: 714205038996

The Cylinder Works Standard Bore Cylinder is a direct bolt-on replacement for the 2004-2009 Honda CRF250R. Designed to match the OEM look, it features a nickel silicon carbide-plated aluminum construction for durability and long life. The bore size is 78mm with a 12.9:1 compression ratio, and it requires no additional machining for installation. Precision-honed for easy piston installation, this race-only cylinder ensures optimal performance. Kits include the cylinder, gaskets, and a Vertex piston kit. Not legal for use on public roads; restricted to sanctioned racing events.