Re: engine misfiring
Mfd, You can try it. No guarantees though. The idle circuit admits air through the idle inlet hole outside of the butterfly, and routes the air into the carb throat from holes in the side of the throat behind the butterfly. The fuel passes from the bowl, through the main jet, up the idle restrictor tube, past the idle needle and there it mixes with the idle air.<br /><br />Remove the idle needle, remove the main jet cover (7/16 hex bolt base of carb) stick carb cleaner spray nozzle into idle needle hole and give it a good spray while moving it in and out. Spray should come out the throat and main jet hole. Now stick it into the idle port hole inside the throat. Give it a good spray, and stuff should come out the throat, main jet and idle needle hole.
