For Yamaha WR250F - 2015-2019
Does not comply with California Emissions Laws
- This closed-course competition ECU replaces the stock unit.
- ECU allows the use of GYTR Power Tuner (33D-H59C0-V1-00) sold separately
- Enables race-tuning capability of ignition and fuel mapping for various track/terrain conditions as well as rider preferences.
- ECU comes with competition calibrated map.
- Includes YZ-style throttle screw that allows wide open throttle.
- Simple plug and play installation.