Mojoman

I believe it's the rectifier. It's pumping 17 volts back to the battery. When the lights are on it runs perfect. I ordered a new 1

I have a 1999 LT500F quad. When you hit the throttle it won't rev up and back fires. The weird issue is when you hit the starter button the engine revs up perfect??? Is this a wiring, surge issue or part malfunction?? Any help or recommendations will be greatly appreciated. Thanks