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.
Have trouble to start a 77 sportster , it turns over easy on the el starter, but we can only start it by push or pulling. Once it starts it runs good and strong, battery is good, and we have a good spark on the pluggs, can it be the ignition timing ?