Bosch ME17.9.74 ECU Tuning
Engine control unit used in 12 supported models from 2 makes.
Indian Motorcycle with the Bosch ME17.9.74
All Indian Motorcycle tunes- Indian Motorcycle Chief2017+1.81 Thunderstroke 111AutoTuner
- Indian Motorcycle Dark Horse2017+1.81 Thunderstroke 111, Thunderstroke 116AutoTuner
- Indian Motorcycle FTR2019+1.2 V-TwinAutoTuner
- Indian Motorcycle Roadmaster2017+1.81 Thunderstroke 111, Thunderstroke 116AutoTuner
- Indian Motorcycle Scout2015+1.0 V-Twin, 1.1 V-TwinAutoTuner
- Indian Motorcycle Springfield2020+Thunderstroke 116AutoTuner
Polaris with the Bosch ME17.9.74
All Polaris tunes- Polaris General2015+1.0iAutoTuner
- Polaris Outlaw2021+70AutoTuner
- Polaris Ranger2009+1.0 Turbo, 1.0i, 1.0TS, 570, 800, 900AutoTuner
- Polaris RZR2017+1.0i, 1.0TS, 1000AutoTuner
- Polaris Scrambler2015+1.0iAutoTuner
- Polaris Sportsman2010+570, 570 EPS, 1000 SAutoTuner
About Bosch ME17.9.74 tuning
The Bosch ME17.9.74 engine control unit is supported in 12 models from Indian Motorcycle, Polaris. We read, modify, and flash it with AutoTuner, then verify the result on our Dynojet 424xLC2 in Jenison, MI. A custom calibration optimizes fueling, ignition timing, boost, and torque limits for your exact build.
Don't See Your Vehicle?
These lists cover off-the-shelf tuning platforms. We also do standalone ECU installs and custom calibrations, so reach out and we'll tell you what's possible for your build. Compatibility data last updated 2026-09-24.