Yamaha ActiveTune AFR closed-loop self-tuning ECU kit (YEC) SH125i All torque limits are removed

All torque limits are removed so whatever timing and fuel we calibrate to the unit it will make max power for that calibration and not hit any toque limits short of that under any conditions except if theses conditions reach unsafe values listed below

Increase in Mileage

2017 Traxter MAX - Hd10

Comes complete with all hardware and instructions for an easy install

Required to send in all components in photos for service Gears and Shift Collars

Yamaha ActiveTune AFR closed-loop self-tuning ECU kit (YEC) SH125i All torque limits are removedPLEASE NOTE: This kit is intended for the YEC Race kit wire harness; if you are using the stock Yamaha harness, please click here to view the stock Yamaha harness variant of this kit. This Kit lets your FTECU equipped bike tune itself as you ride! Once installed and activated, the ActiveTune kit monitors the fuel mixture, making fast and consistent changes to meet different air fuel requirements. Our breakthrough system replaces your inadequate stock