The Cylinder Works Standard Bore Cylinder Kit for the 2010–2013 Honda CRF250R offers a high-performance, direct bolt-on solution with OEM-level compatibility. Featuring a 76.8mm bore and 13.2:1 compression, this kit is engineered for durability and efficiency. The Nickel Silicon Carbide plating ensures long service life, while the precise honing facilitates seamless piston installation. This comprehensive kit includes all necessary components for installation.

Features

• Direct bolt-on design, requiring no replating.


• Nickel Silicon Carbide plating for enhanced durability and extended cylinder life.


• Honed to exact specifications for effortless piston installation.


• Complete kit with all necessary components for top-end rebuilds.


• Maintains OEM appearance and compatibility.

Specifications

• Bore Size: 76.8 mm


• Compression Ratio: 13.2:1


• Displacement: 249cc

Included Components

1. Cylinder


2. Piston assembly


3. Top-end gasket set

Cross Reference OEM Part Numbers

• Honda: 06111-KRN-A40


• Honda: 12100-KRN-A40


• Honda: 12191-KRN-A41


• Honda: 12251-KRN-A41


• Honda: 13011-KRN-A40


• Honda: 13101-KRN-A40


• Honda: 13111-KRN-A40


• Honda: 13112-MEE-000

Vehicle Compatibility

• Honda CRF250R (2010–2013)