lowering a gl1200


Information and questions on GL1200 Goldwings (1984-1987)
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mybaybe
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Motorcycle: 1989 GL1500 Trike
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lowering a gl1200

Post by mybaybe » Tue Nov 14, 2017 8:04 am



Hi all
I have a 85 GL1200 that I like very much, I also have a 89 GL1500 trike that I mostly ride because the seat is a little to tall for me I think on the 1200. I am 6' tall but when I am on the bike, I have to straiten my legs out to touch the ground (both feet flat on the ground), I can sit on the bike and put the ball of my feet down but I would like to have a little bend in my legs to feel better about riding the bike. not much air in the shocks, I took some of that out to lower the bike.
my question is: is there a way to lower the bike about and inch or so without tearing it down in some way?
thank you and be safe out there
glenn walker



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WingAdmin
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Location: Strongsville, OH
Motorcycle: 2000 GL1500 SE
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Re: lowering a gl1200

Post by WingAdmin » Tue Nov 14, 2017 10:31 pm

There are many ways to lower a bike. Without question, the easiest one is to cut the seat down. Cutting an inch out of the foam in the seat, along with maybe a bit on the edges (to make it easier for your legs to be closer when you're putting your feet down) may be all you need.

Another option would be to replace it with a custom built seat, I know Corbin will make them custom for you if you ask.

Apart from that, you're into modifying the suspension of the bike, and that will be far more expensive and complex...and with a lot more side effects.

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brianinpa
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Motorcycle: 1984 GL1200 Standard
1987 GL1200 Interstate

Re: lowering a gl1200

Post by brianinpa » Fri Nov 17, 2017 9:13 pm

I am currently experimenting with a set of 1100 Progressive spring shocks on the rear of my 1200. The only thing I needed to change was the size of the bushing spacer in the lower side of the shock. This lowered the rear of the bike about 2 inches. The only problem I have had so far is getting the bike on the center stand - it takes a little extra effort.
Brian

If you aren't having fun doing it, find something else to do.

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WingAdmin
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Re: lowering a gl1200

Post by WingAdmin » Mon Nov 20, 2017 9:42 pm

Remember that if you lower the back end of the bike, you need to lower the front end of the bike the same amount. Otherwise you are changing the rake and trail geometry of the front wheel, which will change the steering rate, and can lead to uncontrollable speed wobbles.

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DenverWinger
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Re: lowering a gl1200

Post by DenverWinger » Tue Nov 21, 2017 1:18 am

WingAdmin wrote:
Mon Nov 20, 2017 9:42 pm
Remember that if you lower the back end of the bike, you need to lower the front end of the bike the same amount. Otherwise you are changing the rake and trail geometry of the front wheel, which will change the steering rate, and can lead to uncontrollable speed wobbles.
..... and the kickstand will be too tall for the lowered bike..... :shock: :shock:
They say 98% of all Hardleys ever made are still on the road..... The other 2% made it home. :lol:
(I stole this from somebody on another GW site...) :roll:

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Goofaroo
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Re: lowering a gl1200

Post by Goofaroo » Tue Nov 21, 2017 5:35 pm

Among the other problems with lowering the suspension you will also lose ground clearance and cornering clearance. Not sure why you want to lower it but if you must the seat would be the least detrimental to the bike.



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