CYLINDER WORKS, CYLINDER KIT HONDA CRF250R 2004-2009, CRF250X 2004-2017

The Big Bore Cylinder Kit (Part Number: 12001-K01) is designed to enhance the performance of Honda CRF250R (2004–2009) and CRF250X (2004–2017) models. By increasing the displacement to 256cc with a 13.0:1 compression ratio, this kit provides improved power and efficiency. When paired with the Hot Rods #4183 crankshaft, the displacement increases further to 263cc. The kit includes all necessary components for installation, making it an ideal upgrade for riders seeking enhanced performance.

Features:

• (+1mm Big Bore Kit) increases displacement to 256cc.
• Achieves a 13.0:1 compression ratio for enhanced performance.
• When used with Hot Rods #4183 crankshaft, displacement reaches 263cc.
• Includes cylinder, piston, rings, pin, clips, and gaskets.
• Compatible with Vertex #23461 piston.

Vehicle Compatibility:

• Honda CRF250R: 2004–2009
• Honda CRF250X: 2004–2017

Cross-Reference Part Numbers:

• 12100-KRN-672
• 12100-KRN-730
• 12100-KRN-731
• 12100-KRN-732

Majority of our listings are for a direct replacement for your original part.

Our parts are made of quality and are designed to meet or exceed the original OEM Standards.

Our products are often a cost effective alternative to genuine OEM Parts.

Please note: the models of bike we state in our listings are for general guidance only. Please make sure this item will fit your bike before purchasing. Also, we cannot guarantee fitment to any non-UK models.