vacuum advance bad


Information and questions on GL1000 Goldwings (1975-1979)
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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

vacuum advance bad

Postby virgilmobile » Tue Jul 26, 2011 1:12 pm



83 gl1100 poor acceleration.Found almost inoperative timing changes.
This is my story and I'm sticking to it.
Found bearings in the timing mechanism rusted and jammed.Also a hole in the diaphragm.
Fixed both and find a noticeable improvement in acceleration. Took 5 hours over 2 days to fix.
Here's the pix.
OH MY GOD is that's where it is?
OH MY GOD is that's where it is?
Got the cover off and the 3 bolts out
Got the cover off and the 3 bolts out
1 hour later and 2 Band Aids
1 hour later and 2 Band Aids
I just had to tear it apart
I just had to tear it apart
Here's the hole
Here's the hole
Yea,I used Gorilla glue
Yea,I used Gorilla glue
There is a dark cloud for every silver lining
There is a dark cloud for every silver lining



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N2PPN
Posts: 258
Joined: Tue Apr 13, 2010 3:24 pm
Location: Lawnguyland New Yawk
Motorcycle: Me on my 1981 GL1100 at Jones Beach in 1984

Re: vacuum advance bad

Postby N2PPN » Tue Aug 02, 2011 9:04 am

Virgil,
Did you have to pull the drive-shaft?? or can it be done without going to that extent?

Also, can the vacuum actuator be removed without removing the "distributer" (for lack of a better word for it), or as I see it , it has c-clips and such holding it in place that would not be able to be easily removed without removal of the main part (distributer) first..


Rich
Don't Worry,
Ride Happy!

User avatar
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: vacuum advance bad

Postby virgilmobile » Tue Aug 02, 2011 2:40 pm

N2PPN wrote:Virgil,
Did you have to pull the drive-shaft?? or can it be done without going to that extent?

Also, can the vacuum actuator be removed without removing the "distributer" (for lack of a better word for it), or as I see it , it has c-clips and such holding it in place that would not be able to be easily removed without removal of the main part (distributer) first..


Rich

I did pull the whole swing arm including the drive shaft.I didn't even bother to see if it could be removed without.It was a good time to grease the swing arm bearings.
Could not just remove the vacuum unit,can't get to the retainer bolt(it's on the top)The vacuum unit was a bear to remove.It not only has a "C" clip holding the control arm to the base plate,there is a "bolt" holding the unit to the housing.Mine had no hex head,I had to use vice grips to get it loose.
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