CRF125F BORE KITS

*aRacer Mini X ECU SUPPORT ONLY CURRENTLY*

Info ℹ️ ( HERE )

(CURRENT PRE ORDER, ESTIMATED MID JULY TO AUGUST)

It is highly recommended to pair our piston kits with a suitable camshaft, which can be found separately.   
( HERE )

Wake up your Honda CRF125 today with more torque across the entire RPM range with a high compression piston kit! 

looking to push your build even further check out our power packages available ( HERE )  

• Fits all Honda CRF125F year models
• More power and fun at an affordable price
• Easy bolt-on kit
• Runs on pump 93+ octane fuel

 CRF125F 55mm Big Bore 

 Enhance the performance of your Honda CRF125 with the 55mm big bore kit. This cost-effective, easy-to-install upgrade boosts power and compression up to 11.5:1 for all model years. Whether you want more power or need to rebuild your engine with new cylinder, piston, and rings, this kit is the ideal solution.

CRF125F 56mm Trail comp 

Trail Comp Big Bore Kit's 56 mm flat top design and 9.0:1 compression ratio provide optimal performance for all types of riding, whether it be trail, romping, or racing. We use L.A. Sleeve’s in our cylinders for guaranteed quality! Our piston a low dome height for increased reliability and lower compression for easy use of pump fuel, this kit is perfect for any rider. 

CRF125F 58mm high compression big bore kit

This 58mm kit is currently in testing stages and requires case boring