Cylinder Works 10007-K01 Standard Bore Cylinder Kit for 2010–2013 Honda CRF250R

Upgrade the top end of your Honda CRF250R with the Cylinder Works 10007-K01 Standard Bore Cylinder Kit. Designed for 2010, 2011, 2012, and 2013 Honda CRF250R models, this complete kit includes the cylinder, piston kit, and gaskets needed for a reliable replacement or performance-focused rebuild. The kit uses a standard-bore configuration with a 13.2:1 compression ratio and is matched with a Vertex piston to support long service life, strong performance, and reduced engine noise.

The Cylinder Works cylinder features a stock-style appearance and nickel silicon carbide plating for improved durability and extended cylinder life. This standard-bore replacement is designed to install without machining in applicable applications, helping simplify the rebuild process. The included top-end gasket kit supports installation, although valve stem seals are not included and should be sourced separately if required for your service procedure.

Fitment: This Cylinder Works kit fits 2010, 2011, 2012, and 2013 Honda CRF250R motorcycles. It is intended as a standard-bore replacement kit and includes the primary top-end components required for installation. Replacement pistons, gaskets, and ring sets are available separately for future maintenance. Verify the model year and engine configuration before ordering to ensure proper fitment.

Features:

• Standard bore cylinder kit for Honda CRF250R applications
• 13.2:1 compression ratio for the included high-compression piston configuration
• Includes cylinder, piston kit, and gaskets
• Matched with a Vertex piston for durability, performance, and reduced engine noise
• Nickel silicon carbide plated cylinder for extended service life
• Stock-style cylinder appearance
• Designed to require no machining in applicable installations
• Top-end gasket kit does not include valve stem seals
• Replacement pistons, gaskets, and ring sets are available
• Fits 2010–2013 Honda CRF250R models
• Brand: Cylinder Works
• Manufacturer part number: 10007-K01
• Vendor part number: 422-10007K