Suspension system rework


Information and questions on GL1200 Goldwings (1984-1987)
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Saintjude33
Posts: 57
Joined: Wed Jun 10, 2015 7:47 pm
Location: Central CT
Motorcycle: 1986 GL1200 Aspencade with sidecar
1989 Yamaha XV250 Virago, Route 66 model

Suspension system rework

Post by Saintjude33 »



Mornin'

I'm looking into removing the entire air-ride system in its entirety from my 86 Aspy, so I have a few questions.

I'm shopping for front springs, these came up on BB:

http://www.bikebandit.com/aftermarket-p ... s?m=151678

I'm under the impression that if I put a seal in the air inlet on the front shock housings and replace the spring with these it would eliminate the air-ride portion on the front end. Please let me know if I am reading into this correctly. I'm also going to be replacing the seals and all of the additional hardware on the front shocks, does anyone recommend any rebuild kit for this. I'll be putting in I believe 9oz of oil in the front end, what is the best oil for this?

More questions to come



jimmyschow
Posts: 17
Joined: Sat Aug 05, 2017 2:17 pm
Location: Mpls Mn.
Motorcycle: 85 GL1200I

Re: Suspension system rework

Post by jimmyschow »

that seems like a good price on their springs. I have used them on my 85 since 1988. you can call them directly here to inquire about oil.
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Saintjude33
Posts: 57
Joined: Wed Jun 10, 2015 7:47 pm
Location: Central CT
Motorcycle: 1986 GL1200 Aspencade with sidecar
1989 Yamaha XV250 Virago, Route 66 model

Re: Suspension system rework

Post by Saintjude33 »

So you replaced the front springs and disconnected the air system? I want to eventually ditch the air compressor completely.

Andy

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Rednaxs60
Posts: 2348
Joined: Wed Nov 18, 2015 12:44 pm
Location: Victoria, British Columbia, Canada
Motorcycle: 1985 GL1200 LTD
1995 GL1500 SE CDN Edition
2012 Suzuki DL1000 VStrom
2008 GL1800 (sold)
Ontario 1985 GL1200 LTD (sold)

Re: Suspension system rework

Post by Rednaxs60 »

Had the suspension on my '85 LTD upgraded to Race Tech springs and gold valves for the front forks, and Progressive Series 12 (non-air) shocks and springs for the rear. Don't have to use the air system for either; however, would keep the compressor system installed and operable just in case for other issues such as topping up the tires, etc. You can blank off the air system to the front/rear shocks under the right side of the upper fairing. Keep all the parts just in case you want to revert back.
"When you write the story of your life, don't let anyone else hold the pen"

Ernest

jimmyschow
Posts: 17
Joined: Sat Aug 05, 2017 2:17 pm
Location: Mpls Mn.
Motorcycle: 85 GL1200I

Re: Suspension system rework

Post by jimmyschow »

Hi Rednax, wondering how much improvement you noticed with the gold valves installed. Also how hard is it to adjust rear suspension with their spring over rear shocks?

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Rednaxs60
Posts: 2348
Joined: Wed Nov 18, 2015 12:44 pm
Location: Victoria, British Columbia, Canada
Motorcycle: 1985 GL1200 LTD
1995 GL1500 SE CDN Edition
2012 Suzuki DL1000 VStrom
2008 GL1800 (sold)
Ontario 1985 GL1200 LTD (sold)

Re: Suspension system rework

Post by Rednaxs60 »

jimmyschow wrote:
Mon Aug 07, 2017 9:22 pm
Hi Rednax, wondering how much improvement you noticed with the gold valves installed. Also how hard is it to adjust rear suspension with their spring over rear shocks?
The front forks don't dive as much; however, if I hammer on the brakes I can bottom the forks. I have not touched the gold valves since install, but I'm thinking that the front can be a bit stiffer for my riding style. Have to read up on these - have the suspension book put out by Race Tech.

The rear shocks are easy to adjust; however, you have to take the side bags off to do the adjustment.
"When you write the story of your life, don't let anyone else hold the pen"

Ernest

User avatar
Saintjude33
Posts: 57
Joined: Wed Jun 10, 2015 7:47 pm
Location: Central CT
Motorcycle: 1986 GL1200 Aspencade with sidecar
1989 Yamaha XV250 Virago, Route 66 model

Re: Suspension system rework

Post by Saintjude33 »

My whole purpose is to remove the compressor from the bike so I can have a bit more space up front- I'm putting in some aux power center there for voltmeter, alternator fuse, etc. I just want to remove the whole thing entirely. Not only that, but the front end tends to SLAM down every time I hit a pothole I don't see, so I definitely need to fix that issue.

Andy



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