i have a 1980 fl250 that ran last summer, then it was parked. my sisters idiot boy friend pulled it out while i was out of state and he realized i pulled some parts off so he could screw around with it. he pulled it out and left it in a flood, and in 100+ degree weather (it wasnt in the best of health anyway). ive finaly got it running after 3 months. I pulled on it the first time and it started just fine, and with some adjustments it idled great and it will rev up (to a certain degree). but when i go to rev it up, and hold it, it just back fires through the carb and exhaust and if I hold it while it sputters, it starts blowing gas between the head and cylinder and it makes some awful noises and when i let off, it goes back to idling, i just cant rev it to much. ive got new gaskets also, it wont hardly turn the rear end, could somthing be wrong back there to?
im open to ANY advice or sugestions-PLEASE HELP!