Let's talk about rear shocks - Steve Saunders Goldwing Forums

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  • 1 Post By Cornpone
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post #1 of 6 (permalink) Old 09-05-2018, 07:49 PM Thread Starter
Join Date: Aug 2018
Location: Seattle, WA
Year: 1991
Make: Honda/Motor Trike
Model: GL1500A Trike
Posts: 45
Let's talk about rear shocks

So after reading through the manual for my trike, (thanks again Trike Lady!) I see it mentions "optional shock absorbers." How do I tell if I have stock GL1500 shocks or some aftermarket version? Also, what servicing should be done to them? At 76k miles, I'm sure they're due for something. And while I'm asking questions, what air pressure should I be running in them? At 6'5" and 275 lbs, I'm no small man. And for that matter, my wife isn't petite either and she'll be on the back seat.
Thank you all SO much for all the help, no idea what I'd do without it! Oh, almost forgot to mention, it's a '91 gl1500a Lehman.

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post #2 of 6 (permalink) Old 09-06-2018, 01:20 PM
Join Date: Jan 2015
Location: Selma, California
Year: 1993
Make: Honda
Model: 1993 GL 1500
Posts: 346
If you have stock shocks from a GL1500, the left shock will be a spring shock and the right will be air. I'm pretty sure that some one changed your shock's when they did the trike conversion. You probably need to ask Lehman what shock they use with the rear end. Good Luck
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post #3 of 6 (permalink) Old 09-06-2018, 09:41 PM
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Join Date: Mar 2011
Location: Fairfield, Virginia, USA
Model: GL1200A Bike & GL1500SE/GTL Trike
Posts: 3,060
My '97 SE with '98 Lehman GTL conversion has Progressive Series 416 Air / Spring / Shocks, my guess is they were optional upgrade. I always thought they were standard, but don't know what would be more so now I wonder if maybe regular were Spring / Shock units.

Maybe by '98, Progressives were standard. Have you looked at them?

If Progressive, may I suggest 50-70 psi in them at least for two up.

These are Progressive 416s:

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'97 GL-1500 SE / Lehman GTL Trike
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'85 GL-1200 Aspencade
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post #4 of 6 (permalink) Old 09-06-2018, 11:20 PM
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Location: Minnesota
Model: 1995 GL1500 Aspencade, 1985 GL1200 Aspencade, 1983 GL1100 Standard with Vetter Windjammer fairing.
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It would be hard for me to imagine a quality company building a trike rear end suspension using stock components as described above, one spring and one air, especially since the physics of a trike are very different than a stock bike (and, my $.02, that system wasn't a good idea to begin with.) You can simply look at the components from down on the floor and I'll bet a dollar to a donut that you have the dual Progressive Suspension air shocks. I put those on my '95 GL1500 and, other than the HID headlight system, it was the best money I've ever spent on a bike.
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post #5 of 6 (permalink) Old 09-06-2018, 11:45 PM
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Page #14 of the installation manual uses plural for the shocks "Connecting the air lines" that means both are air shocks and orientation of the "Fittings". But it contradicts itself by listing #7 "Box containing optional shock absorbers" page 4. There's only one way to tell what you have and that's to look under the trike. I cannot find anything that tells the installer to reuse the original shocks.
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post #6 of 6 (permalink) Old 09-07-2018, 12:42 AM Thread Starter
Join Date: Aug 2018
Location: Seattle, WA
Year: 1991
Make: Honda/Motor Trike
Model: GL1500A Trike
Posts: 45
Well, I suppose when I tear into it on Saturday I'll find out what's there and will report back. Thanks for the help everyone! I'll probably have lots to say by the end of the day Saturday!

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