The Cylinder Works 10001 Standard Bore Cylinder (78mm) is a high-quality replacement cylinder for Honda CRF250R and CRF250X models. This direct bolt-on cylinder is designed to match OEM specifications and requires no replating, making it an easy-to-install solution for engine rebuilds. Its Nickel Silicon Carbide plating ensures long-lasting performance, while precision honing allows for smooth piston installation.

Features:

• Direct bolt-on cylinder ready for installation.


• Requires no replating and resembles OEM components.


• Nickel Silicon Carbide plated for durability and extended service life.


• Honed to precise dimensions for effortless piston installation.

Specifications:

• Compression Ratio: 12.9:1


• Cylinder Diameter: 78 mm


• Cylinder Kit Type: Standard Bore


• Displacement: 249 cc


• Engine Type: 4-Stroke

Vehicle Compatibility:

• Honda CRF250R: 2004–2009


• Honda CRF250X: 2004–2017

OEM Cross-Reference Part Numbers:

• 12100-KRN-672


• 12100-KRN-730


• 12100-KRN-731


• 12100-KRN-732