Ignition/Tuner/ECM/Fuel InjectionNeed advice on ignition issues? Questions about a tuner? Have questions about a EFI calibration or Fuel Injection? Tips on Engine Diagnostics, how to get codes, and what they mean. Find your answers here.
Why do new harleys come with eims turned off ? Or at least at my dealer they do. Does it hurt the engine? I would think it would be good if it kept temperature down