Front spring question GL1200A or GL1200A ?


Information and questions on GL1200 Goldwings (1984-1987)
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Damgaard
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Joined: Tue May 21, 2013 11:15 am
Location: Denmark, Tonder 4 km from the Danish/German border
Motorcycle: GL 1200 Aspencade 1985

Front spring question GL1200A or GL1200A ?

Postby Damgaard » Fri Dec 19, 2014 1:14 am



After total rebuild of my 85 GL1200 Aspy... left fork started to leak oil. Stripped the front and took the forks apart. I felt the front springs where very soft while riding… so i decided, when forks are apart, to install a pair of new progressive springs. But when I compare the new progressive and the old OEM spring, the old spring is about 5 cm/2 inch longer than the new progressive type… I looked at the specs on the box it says: GL1200D – 1984 - Is there any difference GL1200A or GL1200D ?

I inspected light longitude wear-scratches on the upper tubes, not that I can feel the scratches – but is it possible to “polish” the tubes ?

Merry X-mas from Denmark
Attachments
New spring in top of Photo - OEM spring at bottom
New spring in top of Photo - OEM spring at bottom



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Damgaard
Posts: 35
Joined: Tue May 21, 2013 11:15 am
Location: Denmark, Tonder 4 km from the Danish/German border
Motorcycle: GL 1200 Aspencade 1985

Re: Front spring question GL1200A or GL1200A ?

Postby Damgaard » Sat Dec 20, 2014 1:32 am

Please help needed !

Is there any difference between the OEM fork springs used in GL1200A or GL1200D ?

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HawkeyeGL1200
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Location: Courtland, Va.
Motorcycle: 1984 GL1200 Interstate
1981 GL1100 Interstate

Re: Front spring question GL1200A or GL1200A ?

Postby HawkeyeGL1200 » Sat Dec 20, 2014 8:34 am

Here's the thing... I don't KNOW the answer to your question, but... My GL1200 manual shows a single spring used in the 1984 model and two prings used in 1985-1987 models... don't know if that helps you in any way...
I am wrong as often as I am right concerning what is wrong with someone else' motorcycle without having seen the machine in person. Guessing with limited information, as to the source of the trouble, is sketchy at best.

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Damgaard
Posts: 35
Joined: Tue May 21, 2013 11:15 am
Location: Denmark, Tonder 4 km from the Danish/German border
Motorcycle: GL 1200 Aspencade 1985

Re: Front spring question GL1200A or GL1200A ?

Postby Damgaard » Sat Dec 20, 2014 10:23 am

Hi HawkeyeGL1200
Yes you are right. I looked in the GL1200 OEM part list and found out the same. I was hoping someone here knew the answer... :?

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HawkeyeGL1200
Posts: 918
Joined: Sat Jul 05, 2014 11:53 am
Location: Courtland, Va.
Motorcycle: 1984 GL1200 Interstate
1981 GL1100 Interstate

Re: Front spring question GL1200A or GL1200A ?

Postby HawkeyeGL1200 » Sat Dec 20, 2014 10:29 am

It won't be long before someone with the exact information you need will join in. One of the guys will see this and provide facts...
I am wrong as often as I am right concerning what is wrong with someone else' motorcycle without having seen the machine in person. Guessing with limited information, as to the source of the trouble, is sketchy at best.

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WingAdmin
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Motorcycle: 2000 GL1500 SE
1982 GL1100A Aspencade (sold)
1989 PC800 (wife's!)
1998 XV250 Virago (sold)
2007 Aspen Sentry Trailer

Re: Front spring question GL1200A or GL1200A ?

Postby WingAdmin » Sat Dec 20, 2014 11:21 pm

The OEM's are quite a bit softer springs overall than the Progressive springs, so they compress more when being installed. But you should have no problems.

As for the scratches in the chrome - there's not a whole lot you can do. Some people take some J-B Weld epoxy and rub a light coat on the tube, then wipe off all excess. This leaves a very tiny amount of J-B Weld in the scratches, and it cures there. This helps lengthen the life of the seals, so that they aren't hacked up by the scratches.

The J-B Weld won't last as long as the extremely hard chrome plate, so it will likely have to be redone every so often, but faced with finding and replacing fork tubes, it's a cheap stopgap fix.

User avatar
Damgaard
Posts: 35
Joined: Tue May 21, 2013 11:15 am
Location: Denmark, Tonder 4 km from the Danish/German border
Motorcycle: GL 1200 Aspencade 1985

Re: Front spring question GL1200A or GL1200A ?

Postby Damgaard » Sun Dec 21, 2014 4:31 am

Hi WingAdmin

Thank you for your reply. I will replace the sleeve bushings and fit OEM seals and dust seals. I am thinking of using SAE 15 fork oil as lubricant and damper oil. I already mounted new T416 progressive air shocks at the rear, and what wow... what a difference in stable riding comfort... I hope the front progressive springs and new sleeves will stable the front too...

About the longitude wear scratches... well since i can't feel them... i think i try again... but this time with HONDA OEM seals and NO MORE aftermarket seals....

Merry X-mas from Denmark




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