Death wobble


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Robert Dhaenens
Posts: 3
Joined: Wed Dec 28, 2016 11:01 am
Location: omaha neb
Motorcycle: 1992 gl 1500a aspencade

Death wobble

Post by Robert Dhaenens » Tue Apr 03, 2018 10:59 am



My 92 aspencade has a death wobble at 30 - 35 mph and you let go of the bars... I rebuilt the front forks with new bushings and seals , still has same problem ,any ideas ? Bob D.



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GlimWas
Posts: 62
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Motorcycle: 1994 GL1500 SE Canada Edition, Pearl Atlantis blue.
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Re: Death wobble

Post by GlimWas » Tue Apr 03, 2018 11:59 am

steering head bearings worn. or a very bad tyre?
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GL1100 '80
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Happytrails
Posts: 791
Joined: Wed Sep 04, 2013 6:13 pm
Location: Tarentum, Pennsylvania
Motorcycle: 1991 Goldwing 1500 SE

Re: Death wobble

Post by Happytrails » Tue Apr 03, 2018 2:59 pm

Wobbles can be frustrating but usually cureable. Could be air pressures or cupped tires or other possibilities. Head or swingarm bearings. Its one of those process of elimnation kinds of thing. When I first bought my bike (possibly 3rd owner) it had a bad wobble. Both tire pressures were low and they were cupped (E3s). Sidewalls of the front tire were badly cracked like dangerously. My guess is that one of the previous owners may have run the tires at too low a pressure for too long and the sidewalls may have overheated causing the cracking. So there is a good chance that bad wobble was a big reason why the last owner traded the bike in to a dealer on a sportster. Or maybe he just wanted a harley I dunno. I changed both tires, keep the pressures up a little (41f/43r) which also helps with low speed handling and installed a fork brace. That was maybe 5yrs ago and the steering has always stayed true and there hasn't been a hint of wobbling at any speed since. The bike couldn't steer any better or smoother. My 2 cents would be to start with the tires and go from there. Check the pressures and look for cupping :D
1991 GL1500 SE Anniversary Edition
Sun Flare Gold Metallic
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AZgl1800
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Re: Death wobble

Post by AZgl1800 » Tue Apr 03, 2018 5:06 pm

Fork brace, max tire pressure, good tires.

Fixed my 94SE
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seelyark1
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Location: Dunnellon, Florida
Motorcycle: 2000 GL1500 SE
1998 GL1500 SE Totaled
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Re: Death wobble

Post by seelyark1 » Wed Apr 04, 2018 1:25 pm

I suspect that the tire is your problem. How old are they? How many miles? Easy to replace them yourself.
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offcenter
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Location: Lake Hopatcong, New Jersey
Motorcycle: 99 Gl-1500 SE
76 GL-1000
77 Honda Trail 90

Re: Death wobble

Post by offcenter » Wed Apr 04, 2018 4:34 pm

My 1500 had the same problem.
I put a new Michellin Commander II on the front and the
wobble is GONE. I can now take my hands off of the bars
at any speed. I now have 8,000 miles on the Commander II
and the bike is still rock stable.
George in Jersey.
99 Goldwing GL-1500 SE
76 Goldwing Gl-1000
77 Honda CT-90 "Trail 90"

Robert Dhaenens
Posts: 3
Joined: Wed Dec 28, 2016 11:01 am
Location: omaha neb
Motorcycle: 1992 gl 1500a aspencade

Re: Death wobble

Post by Robert Dhaenens » Wed Apr 04, 2018 7:00 pm

offcenter wrote:
Wed Apr 04, 2018 4:34 pm
My 1500 had the same problem.
I put a new Michellin Commander II on the front and the
wobble is GONE. I can now take my hands off of the bars
at any speed. I now have 8,000 miles on the Commander II
and the bike is still rock stable.
Thank you.

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Bluewaterhooker0
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Joined: Wed Nov 14, 2012 11:27 pm
Location: Tampa, Fl
Motorcycle: 1997 Goldwing GL 1500 SE

Re: Death wobble

Post by Bluewaterhooker0 » Wed Apr 04, 2018 10:25 pm

+1 on tires. My front was not in bad shape, or particularly old (4 years). It was simply near the end of its tread life, not worn to the bars. My rear had already been changed due to nail damage. Mine started to wobble, something I had never experienced. I replaced the front tire, and the problem was gone.

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tfdeputydawg
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Re: Death wobble

Post by tfdeputydawg » Thu Apr 05, 2018 8:05 am

I'd quit letting go of the bars!!!!!

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Uncle Fester
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Re: Death wobble

Post by Uncle Fester » Thu Apr 05, 2018 1:57 pm

Most common causes, as others have stated:
Worn tires
Bad, out of adjustment head bearings
Low air pressure

Those are the most common, and fairly easy to cure.
Best of luck and keep us posted
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Happytrails
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Location: Tarentum, Pennsylvania
Motorcycle: 1991 Goldwing 1500 SE

Re: Death wobble

Post by Happytrails » Thu Apr 05, 2018 4:03 pm

Freedom!



1991 GL1500 SE Anniversary Edition
Sun Flare Gold Metallic
Vallant Brown Inset

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Corkster52
Posts: 425
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Location: Perrysburg, OH
Motorcycle: 1999 GL1500 Aspencade
1988 GL1500 (sold 4/17)

Re: Death wobble

Post by Corkster52 » Tue Apr 10, 2018 8:21 am

I had a similar issue with my 88 and it turned out on the top nut above the head bearing was just a little loose. Tightened it about 1 flat on the hex and it was rock solid again!

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joeincalif
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Re: Death wobble

Post by joeincalif » Tue Apr 10, 2018 8:54 am

As stated in above, there are several reasons for it but most are easy to fix. I never had a wobble on any of the 3 1500's I owned but had it on my 02 wing. but not my 08 wing
Good luck and let us know what you did to get it fixed
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hugger-4641
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Motorcycle: 1994 GL1500 Aspencade, 1982 CM 200 Twinstar, 1984 VT500 Ascot

Re: Death wobble

Post by hugger-4641 » Tue Apr 10, 2018 1:40 pm

I've had this happen a couple times, but one time the culprit turn out to be the rear tire. An out of round tire, slipped belt, or un-seated bead on the rear tire can cause a low speed wobble that you would swear is in the front.

Redhot
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Re: Death wobble

Post by Redhot » Wed Apr 11, 2018 3:49 pm

The steering bearings take a lot of load, and if a little worn will need to be tightened (to the proper torque) or replaced. Tyres are easy to check though, so do that first. Of course, a front wobble doesn't mean to say the fronts causing the problem ! Worn swingarm bearings or an iffy back tyre can cause a front end wobble. I'd forget the steering brace, it helps a bit but, you need to find the cause, not wallpaper over the cracks.



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