S-Stage α Bore Up Kit w/ Cam & Hyper ECU - 125cc – 2019+ CRF110 tbw1466 Aasa's High Compression Cast Piston

Aasa's High Compression Cast Piston Kit

Customizable Hub Colors – Available in Red

Fits CRF/XR50 and most BBR swingarms

COMBUSTION CHAMBER

It is HIGHLY recommended that you immediately change the oil out for 4

S-Stage α Bore Up Kit w/ Cam & Hyper ECU - 125cc – 2019+ CRF110 tbw1466 Aasa's High Compression Cast Piston125cc Bore Kit w Cam & Hyper ECU for 2019+ CRF110 S Stage Bore Up Kit This bore up kit allows you to increase the engine displacement from the standard 110cc to 125cc by replacing the cylinder and piston. The cylinder features an aluminum construction with a cast iron sleeve for enhanced durability. By installing it together with the Hyper ECU, you can achieve a torque rich output that differs from the stock setup. Bore: 53. 5mm Compression ratio: 10.