CYLINDER KIT +1.00mm BIG BORE 79.00mm HONDA 2004 - 2017 CRF 250 R X CYLINDER WORKS 12001-K01
Cylinder Works Big Bore Cylinder Kit +1.00mm 79.00mm for Honda CRF250R CRF250X. Increases displacement to 256cc with a 13.0:1 compression ratio. When used with Hot Rods #4183 crankshaft, displacement reaches 263cc. Kit includes cylinder, piston, rings, pin, clips, and gaskets. Compatible with Vertex #23461 piston. Cross-reference part numbers: 12100-KRN-672, 12100-KRN-730, 12100-KRN-731, 12100-KRN-732.
- SKU
- 56-K100.79.CKW
- Brand
- Cylinder Works
- Availability
- In Stock (2)
FULL DESCRIPTION
Cylinder Works Big Bore Cylinder Kit +1.00mm 79.00mm for Honda CRF250R/X
Upgrade your motorcycle's performance with the Cylinder Works Big Bore Cylinder Kit. This kit is meticulously engineered to increase the displacement of your Honda CRF250R or CRF250X, delivering a noticeable boost in power and efficiency. With a precise +1.00mm bore, this kit raises the engine's displacement to 256cc, providing more torque and acceleration.
The kit is designed to achieve a high compression ratio of 13.0:1, further enhancing combustion efficiency and unlocking greater horsepower. For even more significant performance gains, when combined with a compatible crankshaft, the displacement can be further increased to 263cc.
Key Features:
- Big Bore Upgrade: Increases displacement to 256cc for enhanced power output.
- High Compression Ratio: Features a 13.0:1 compression ratio for improved performance.
- Increased Displacement Potential: Can achieve 263cc when used with a specific crankshaft.
- Complete Kit: Includes the cylinder, piston, piston rings, piston pin, piston pin clips, and necessary gaskets for a comprehensive installation.
- Piston Compatibility: Designed to work with Vertex pistons.


