erratic idle 1994 GL1500se


Information and questions on GL1500 Goldwings (1988-2000)
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dirtuser
Posts: 1
Joined: Thu May 12, 2011 4:44 pm
Location: Rexburg, Idaho
Motorcycle: 1994 gl1500se

erratic idle 1994 GL1500se

Postby dirtuser » Wed Nov 16, 2011 3:42 pm



This bike has always idled smooth & perfect. Recently the idle is surging about 200 rpm-nuetral just sitting or at a stop sign. Other than that it is running strong & smooth. I havn't even looked for the carbs yet. Soon it will be snowing & I will have a few days to do some looking & inspections. Any ideas, or is there a problem area--vacuum lines or intake gaskets??
Dave S



Mosko
Posts: 7
Joined: Thu Oct 27, 2011 9:56 am
Location: Dalton, Georgia
Motorcycle: 1995 GL1500I

Re: erratic idle 1994 GL1500se

Postby Mosko » Wed Nov 16, 2011 4:25 pm

I'm working on a '95I that has the same problem. This one has been sitting for a while. I've figured how to fix most of the problems thus far by reading the older posts here, (couldn't have done it otherwise, thanks!) At times, I've heard a slight whistle (vacuum leak sound). Earlier today, I stuck the spray straw of a WD40 can up under the rubber mat that covers the intake manifold and gave it a couple of squirts and the idle increased. I'm sure there is a vacuum leak under there somewhere. I couldn't see naturally, where all I sprayed the stuff, so I can't identify where the leak is exactly, yet! But I'm now sure there is one.

Best Regards... Mosko

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detdrbuzzard
Posts: 921
Joined: Thu Oct 23, 2008 5:54 am
Location: 42.23/83.33/636
Motorcycle: '84 aspencade,'93se
'75750.'79750/9k
'79 750f.'85450sc
'06 st1300a

Re: erratic idle 1994 GL1500se

Postby detdrbuzzard » Thu Nov 17, 2011 9:02 am

i get that too this time of year with the outside air tempature going from cold to warm. the temp outside is about 35f and my 1500 wing will idle just over 1000 rpm but as the temp warms up the idle will surge between 900 and 1000 rpm. eventually it will settle at 900 rpm unless the temp changes
'99 ST1100, '93 se
'75 cb750k, '79 cb 750f, '79 cb750 superK
cb 450sc, sunL70
'06 st1300a
.... william

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robb
Posts: 1040
Joined: Mon Jul 19, 2010 7:46 pm
Location: Lexington, North Carolina
Motorcycle: 1989 Honda GL1500 Aspencade

Re: erratic idle 1994 GL1500se

Postby robb » Sat Nov 19, 2011 9:40 am

Pull the side covers to access the plugs and check the head vacumn tubes. They usually crack in the sharp bend leaving the head.

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virgilmobile
Posts: 7661
Joined: Sun Sep 19, 2010 5:39 pm
Location: Denham Springs,La.
Motorcycle: 1988 GL1500 I
Previously owned
78 GL1000
81 GL1100
82 GL1100 I
83 GL1100 I
83 GL1100 standard
84 GL 1200 I

Re: erratic idle 1994 GL1500se

Postby virgilmobile » Wed Dec 14, 2011 11:49 pm

Check this post.It may pertain to your problem as well as mine....viewtopic.php?f=6&t=9356




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