ok this is the motor loading up here what u do start it up with your foot propped up in front so it dont go any were start it up give it quick 2 sec jabs of 1/2 throttle then let it worm up like that in needs to be wormed up before ran cause it will stall so keep giving it jabs the easily go from 1/4 to 1/2 to 3/4 to full back down thats a sure fire way to keep a motor running at idle cause when are motors (2 stroke ) idle for a few they load up then when u want it to go there is to much fuel in the compression stroke and it dies thats your problem