Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › Starting Issues › Starting Issues August 19, 2014 at 4:38 am #623118 joeyParticipant have you tried carburetor cleaner see if It will fire. is it damp or moist in the engine bay. by backfire do you mean shotgun blast out the intake or spits and pops like it want to go. do you keep your foot off the pedal no pumping.