S-Stage α Bore Up Kit w/ Cam & Hyper ECU - 125cc – 2019+ CRF110 tbw1466 and Race Cam for 86cc-107cc

and Race Cam for 86cc-107cc Import/Chinese Engines*

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

Manual KLX110 clutch kit for all KLX110 Semi Auto Clutch Models

2003-Present KLX110 & KLX110L

aluminum mount brackets

S-Stage α Bore Up Kit w/ Cam & Hyper ECU - 125cc – 2019+ CRF110 tbw1466 and Race Cam for 86cc-107cc125cc 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.