my 400 ex has been runnin great . i let it set for a month and a half started it up and now it pops and backfires and wont idle at all. it only does it from 0 to qourter throttle ( popping ) to lean maybe or a clogged jet. please lend me some advice. Thanx all. RID"EM RED>










MODS: e-series slip-on,no lid,K&n filter w/ outerwears, WB rev box, stock needle position, no choke, 155 main, 42 pilot, AC nerfs about 1500-2000 ft elevation