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.
First, have you added any electrical items to the bike recently or had any kind of work done to it? Also you could have a bad voltage regulator. Electrical sometimes is tricky, I would suggest getting a shop manual, best bucks you can spend on your bike and if you have a volt/ohm/multimeter you can do most of the checks yourself.