Yamaha R6  GYTR / YEC Kit ECU Set 2017-2020 models. Enable to adjust the amount of fuel injection, ignition timing and etc, to use this ECU with kit wire harness. There are two types of basic control data for the ECU: SB (Supersport) and ST (SuperStock). CD-ROM, software manual and kit manual are included in this set.  For use with BN6-F2590-70-00, Wiring Harness (sold separately).

FITMENT: 2017-2020 Yamaha R6 (with YEC Kit Racing Wire Harness)