Air cut off valve leaking

Information and questions on GL1100 Goldwings (1980-1983)
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Posts: 42
Joined: Sun Dec 02, 2012 9:49 am
Location: Worcester, Western Cape, South Africa
Motorcycle: 1980 GL1100

Air cut off valve leaking

Post by Bombasstic »

I have been hunting a cause of my GL 1100 #4 cylinder spark plug burning sooty black after a relatively short ride . . . it starts mis-firing.
As per my reading of the plug the mix is too rich.
I have found the air cut off diaphragm to be perished and with a small tear.
I have been told that this could indeed create a rich mix ?
If anyone has knowledge of this and could confirm it, I will be most grateful.
Thank you

Posts: 180
Joined: Tue Jun 11, 2019 10:28 am
Location: Pawtucket Rhode Island
Motorcycle: 1983 Honda GoldWing GL 1100 Interstate

Re: Air cut off valve leaking

Post by JoBoy68 »

OK the air cut off valve works on vacume and its job is to stop backfiring so if there is a rip you have a vacume leak and they can cause many weird problems
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