sjlthedog

Whats up, I had a similar problem TWO different times with mine and each time the problem was something completely different. The first time it happened I was running very weak on the choke side just like yours but when I revved it up a bit it would fire and actually blow out a small flame out of the exhaust with a large pop....scared the hell out of me. After much grief...(like you) I found a very small hole in rubber boot that connects the carb to the cylinder. Check those things closely and often. The hole allowed more air in threw the hole mixture off. I replaced the boot and it ran like a champ! The second time it happened to me I obviously thought it was the boot again. Of course it wasn't, nothing could be that easy. It turned out to be a sticking microswitch located in the thumb throttle housing. This switch (when working) ensures that the thumb throttle and the carb slides are doing the same thing i.e. not a stuck throttle. Take out those three screws, lift the cover, and check to see if that little ball pops out when you push it in. If it doesn't spray it with contact cleaner and that should fix it. Tell your buddy to get rid of the T.O.R.S. though...nothing but problems. Hope this helps and good luck. Later