2007-2014 Yamaha R1 ECU-Based Quickshifter Kit (Type 1) Timberwolf 250 Our exhausts are proudly made

Our exhausts are proudly made in the USA in Phoenix

With precision gears that are constructed of the highest quality materials

05-06 ZX636 - 21175-0057(US) StockECU

This harness is used for Read/Write

2007-2014 Yamaha R1 ECU-Based Quickshifter Kit (Type 1) Timberwolf 250 Our exhausts are proudly madeECU Based Quickshifter Kit NOTE: This Type 1 Kit is for if you dont have a bike side harness. If you have a bike side harness installed on your bike, please click here to view the Type 7 variant of this kit. With this kit and your flashed ECU you can up shift without letting off the throttle or pulling the clutch! This kit includes everything you will need to utilize your FTecu flashed ECUs Quickshifter Input. Note: Red Yellow is PULL signal, Blue