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GL1500 fork brace fiasco
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fastjoe
Posted 9/1/2017 6:59 PM (#94922)
Subject: GL1500 fork brace fiasco



Veteran

Posts: 155
1002525
Location: Eastern WA
Here is a heads up for anyone using a after market fork brace for a GL1500.
Maybe 10K miles ago I put in springs and race tech gold emulator, replaced all the wear parts in the fork while I was in there.
When I got the bike the reason I did this is because the fork barely moved, both fork seals were showing signs of leakage and what was leaking out would have hardly passed for fork oil.
When I drained the oil to rebuild the fork the oil was as bad as I have ever seen. I assumed that the previous owner had never changed it in 125,000 miles.
It was that bad.

The other day I again drained the oil because I changed the ride height of the bike and set the sag which had come out less than optimal during the fork rebuild.
The oil was a very bad again. Stunk too. Took a couple of flushes with solvent then one with ATF to get the residue out. Not that many miles, less than 10k from the last oil change.

Something was definitely wrong. Long story short the aftermarket fork brace that came on the bike was causing the sliders to bind. Reassembled it several different ways and finally left it off.
Bike rides much, much better now that the suspension in the front is working properly.

If you have one of these you might want to consider removing the springs and reassembling the front end with the brace to check that the sliders move freely. You'll need to install the front wheel properly when you do this, fender is probably not necessary, or just leave or take the brace off and see if the front suspension begins to work better when you ride it. If no improvement put it back on. When I first saw the brace I thought I might have a problem because most fork braces do cause binding unless they are custom machined for the fork. However since this was such a popular item with the wing crowd I thought that wings might be the exception. Lesson learned.

Edited by fastjoe 9/2/2017 2:31 AM
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CCjon
Posted 9/4/2017 10:48 PM (#94956 - in reply to #94922)
Subject: Re: GL1500 fork brace fiasco



Extreme Veteran

Posts: 348
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Location: NWHouston
Hmmmm, guess now would be a bad time to post a Wing 1500 fork brace for sale...LOL.

Thanks for posting that info Joe.

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draperg1
Posted 9/5/2017 9:03 PM (#94971 - in reply to #94922)
Subject: RE: GL1500 fork brace fiasco



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Posts: 169
1002525
Location: Virginia
FYI - The fork braces I have installed on many bikes over the years require that they be installed with loose bolts. After the suspension is compressed several times only then do you tighten them. All instruction sheets will say if you do not do this they will bind. The brace may not be the problem, but the installation.
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AJ1200
Posted 9/6/2017 9:06 AM (#94977 - in reply to #94922)
Subject: Re: GL1500 fork brace fiasco



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Posts: 298
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Location: Savannah Ga
fastjoe
do you know which brand of fork brace you had. was it the super brace or the black wing brace.
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fastjoe
Posted 9/6/2017 5:34 PM (#94987 - in reply to #94977)
Subject: Re: GL1500 fork brace fiasco



Veteran

Posts: 155
1002525
Location: Eastern WA
This is the black fork brace. Was black anyway. I removed some of the powder coat where it contacts the sliders thinking that perhaps the binding was related to uneven powder coating caused misalignment.
Didn't help.
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