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post #1 of 12 (permalink) Old 01-27-2012, 08:40 PM Thread Starter
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Has anyone installed a steering damper on a GL1200A and if so where did you put it. I recently built a custom trike kit and I wobble real bad between 50 & 60 mph. The rest of the time it is fine. Any help would be a blessing.

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post #2 of 12 (permalink) Old 01-27-2012, 10:49 PM
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I'd suspect wheel alignment problems first. The other possibilities that come to mind would be bad tires; out of round, unbalanced, excessive run out or some such. Have you checked the steering head bearings for condition, lubrication and torque?

I know several people running GW trikes and none of them have a need for a steering damper.

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post #3 of 12 (permalink) Old 01-27-2012, 11:31 PM
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A damper would only mask what's really wrong.
Are you mayberemoving both hands from the handle bars to find this "wobble problem"?


If so, do NOT remove both hands.

What kind of kit or is it self made?

Front tire .... miles, wear, balanced ?

Some manufacturers suggest 29 ft lbs. torqiue on steering stem, your 1200 has tapered roller bearings in the head like all 1000 / 1100 / 1200 / 1500 Gold Wings and they will survive 29 ft lbs.

You torque them lighter on a bike because you don't want to affect steering response, you want it going where you think if you can.


On a Trike, you'll have to do more than "think" a turn so a tighter setting doesn't hurt at all.



'97 GL-1500 SE / Lehman GTL Trike
...( Candy Spectra Red w/ Candy Garnet Red insert )
'85 GL-1200 Aspencade
...( Pearl Vintage Red w/ Rose insert )
'74 Triumph T-150V Trident
...( it's a Triple )


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post #4 of 12 (permalink) Old 01-28-2012, 07:35 AM Thread Starter
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Thanks I will check these out. My tires are new (1800) miles and I am using Dyna Beads for balance. I will try and find the socket for the steering nut......

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post #5 of 12 (permalink) Old 01-28-2012, 01:37 PM
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You really need a service manual which will give the correct steering head bearing adjustment procedure. It's not a straight forward torque it to such and such ft/lbs. Honda's procedure calls for setting the torque by the amount of pull it takes to start the fork moving when you pull on it with a spring scale at a specified point. Over tightening the bearings can damage them and cause premature wear. Do a search on this site, I'm pretty sure we had information on doing this job. If not buy a Clymer service manual for your bike, they have the info. If you try ebay you may be able to find an original 1200 manual. Helm Inc. reprints all the Honda bike manuals but the pictures in their 1200 editions aren't too good because Honda lost the original negatives and the pictures are copies of pictures from other Honda manuals. Not too clear.

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post #6 of 12 (permalink) Old 01-28-2012, 06:02 PM
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That picture looks like a "Voyager" kit. If it is, your problem may be in the mounting. We have three of those in the club. One is on an '86 GL12 and the owner reports no wobble problems. Nor do the other two for that matter.

However, be very careful as the bike doesn't like training wheels and will try to shed them. This happened to the GL12 Voyager kit rider. Luckily at a very slow speed as the whole tangled mess went out of control and into a concrete divider. He blamed the incident on his "custom" mounting and still uses the kit.

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post #7 of 12 (permalink) Old 01-28-2012, 08:03 PM Thread Starter
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It's not a voyager kit. It is custom built to the bike. It is rigid to the frame and has torsion axles. The swing arm is free from the axles. I might need to "Tweek the alignment a little. Other than the shimmy @ 50-60 mph everything else is fine.I am going to take a closer look at the axle & Steering.

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post #8 of 12 (permalink) Old 01-28-2012, 08:17 PM
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Wheel alignment is more difficult with a quadricycle. In the case of a Voyager kit it's simpler because the two extra wheels are pretty much aligned with themselves it's basically just a matter of aligning the add on unit to the bike. If there's any misalignment between the original rear tire and one or the other added wheels or any misalignment between the two add on wheels there's the possibility of wobble. Consider a little misalignment between the original rear wheel and one of the side wheels. That is going to tend to pull the tire treads of the two wheels toward each other or push the tire treads apart. The treads will pull away from each other until tire adhesion will allow one, most likely the side wheel to slip sideways enough to relieve the pressure. Roughness of the road will be a factor too, the more traction the more wobble impulse will be apparent. Awarm smooth tar road should be the worse for the wobble while awet road should show the least wobble. Any vibration in a side to side direction will potentially initiate a wobble when the frequency of that vibration matches the resonant frequency of the fork and bike assembly.

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post #9 of 12 (permalink) Old 01-28-2012, 08:18 PM
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wof49 wrote:
Quote:
It's not a voyager kit. It is custom built to the bike. It is rigid to the frame and has torsion axles. The swing arm is free from the axles. I might need to "Tweek the alignment a little. Other than the shimmy @ 50-60 mph everything else is fine.I am going to take a closer look at the axle & Steering.
Oh, so then it's got 4 wheels on the ground and it's not a trike? (not derogatory, and the"Voyager" kits aren't trikes or even technically "motorcycles" hereeither)

But those 3 rear wheels will have to point in pretty near exactlythe same direction if that's the case. If there's wobble in the torsion suspension pieces that allows the wheels to toe in or out as you go down the road, it will pull the handlebars and lead to mystery wobbles. My little pull behind trailer has those types of torsion suspension things, they're rated 250 pounds each, and they move a little but there's only two on the trailer and the tires so small, it tracks OK. Those bigger heavier wheel/tires you have will agrevate it if it's present.

Good luck.



http://leg1.state.va.us/cgi-bin/legp504.exe?000+cod+46.2-100



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'97 GL-1500 SE / Lehman GTL Trike
...( Candy Spectra Red w/ Candy Garnet Red insert )
'85 GL-1200 Aspencade
...( Pearl Vintage Red w/ Rose insert )
'74 Triumph T-150V Trident
...( it's a Triple )


"Make Courtesy Your Code of the Road!"
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post #10 of 12 (permalink) Old 01-28-2012, 08:41 PM
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OK, I missed something. Is it a 3, or 4 wheeled machine?

Sorry, because of the car wheels outboard of the saddlebags I thought it was the Voyager. You are saying it's a home made 3 wheeled vehicle, right?

How are you driving the wheels? If the swing arm is still intact does that mean you are still using the stock driveshaft?

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