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Old 10-17-2013, 08:41 AM   #4
jonathan180iq
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Join Date: Jan 2007
Location: Dalton, GA
Posts: 3,995
Re: Bike has irratic idle issues

It's acting like there is an air leak.

All of the experience in the world doesn't mean you haven't overlooked a small fault during the reinstall process. Retrace your steps. You either put something and it didn't seal correctly when you buttoned it back up, or in removing and reinstalling parts, something else got bumped.

Common leaks can be found in the aged vacuum lines, the air box breather hoses, and the air box drain tube (which is supposed to be sealed at the end.) Also, the needle diaphragm can very easily become pinched when you put the top back on, causing a leak.

Pilot jet?
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