intemittant erratic idle

Information and questions on GL1200 Goldwings (1984-1987)
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Posts: 181
Joined: Fri Jun 18, 2010 8:21 pm
Location: East Moline IL
Motorcycle: 1986 Goldwing 1200 SE-i Aspencade
2009 audo comfort

intemittant erratic idle

Postby tech1 » Wed Oct 19, 2011 7:32 pm

Hi everyone. I have an 86 SEi that the idle is al over the place sometimes as high a 2500 rpm and then others an acceptible 1100. I cleaned the throttle bodies . and the idle air control is up and down and ohms out at 98 ohms. The service manua says i think was like 68 to 100 so I did not comdem it and has water running through it and when lower rpms i pinch off the air hose and did drop.
Has anyone seen vacume leaks in the TB boots or air plenum?
Has anyone had this concern and any ideas?
Thanks Tech1

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trike lady
Posts: 886
Joined: Thu Mar 24, 2011 5:58 pm
Location: Butler, PA
Motorcycle: 1993 GL1500 Aspencade with Voyager (Sold)
1983 GL650I SilverWing Interstate (Sold)

Re: intemittant erratic idle

Postby trike lady » Thu Oct 20, 2011 6:56 pm

Here's a couple of ideas:
Leaking head gasket or vacuum leak.
Throttle valve out of sync.
A deteriorated seal would cause a vacuum leak or damaged hose.
I.M.B.B.A. Technician II Certified

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