Instead of a solution, I have a solicitation. Sr. Harsey - HELP! I didn't properly store my chainsaw last year.

All the usual excuses but I never got around to draining the fuel system and it had a half tank of bad gas sitting in it for most of a year. (I don't have much call to use a chainsaw so when I got it out to test for hurricane season I realized I'd screwed up when it wouldn't start.) I drained it, put in fresh fuel, and got it to start. It worked for a while but now it won't run unless it's on it's side (felling position). As soon as I turn it upright, it quits. I suspect fuel contaminants are clogging something. Is there a solution short of rebuilding the carburator? (Helpful) Suggestions would be most welcome. I really don't want to rebuild a carburator. Thanx - Peregrino