Fork spring length


Information and questions on GL1500 Goldwings (1988-2000)
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agedbikeman
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Fork spring length

Post by agedbikeman »



I am about to make a gadget to slowly release the fork caps without removing the forks on my 1995 Aspencade.

With the front wheel raised and the fork cap removed, can anyone tell me approximately how many inches of spring is standing out of the fork with standard and progressive springs.

I need to know this as there's no point in building my gadget only to find it's half an inch short.

I will post my gadget here after I have made it for anyone else to copy

Any input grateful

Alex


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WingAdmin
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Re: Fork spring length

Post by WingAdmin »

The progressive springs come out quite a ways - you can see mine here:

Image
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agedbikeman
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Re: Fork spring length

Post by agedbikeman »

Roughly how many inches of spring is sticking out
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marks146
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Re: Fork spring length

Post by marks146 »

I'm interested in how you make out changing your springs because I'll be tackling this job shortly on my 1994 GL1500. I don't need to change the seals and wipers. They're working great, but the springs are sagging so I'll be putting a set of progressives in.

If you don't mind, posting a picture of your home made compressor tool would be helpful, too.

-- Mark
-- Mark

1994 GL1500 Aspencade, 2013 Suzuki C50T
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agedbikeman
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Re: Fork spring length

Post by agedbikeman »

Mark
I always post here any gadgets and mods I make, I've started making it and as soon as I've finished and tested it it will be here.

I wish someone could answer my question though about how many inches the spring sticks out of the top of the fork tube with fork fully extended, a photo does not give me a measurement, this would help me to get it righr first time.

Alex
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Snowmoer
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Re: Fork spring length

Post by Snowmoer »

I had progressive springs in my 88. They only stuck out about 4 inches on my bike from what I remember. I was able to just stand on the foot pegs and use my body weight on the socket wrench, compress the spring and tighten the cap. No spring compressor needed. The bike was on the center stand with blocks of wood under the motor to hold up the front end. Sorry, I did not take any pictures.
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agedbikeman
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Re: Fork spring length

Post by agedbikeman »

Thank you Snowmoer, thats what I needed to know

Alex
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Re: Fork spring length

Post by FM-USA »

agedbikeman wrote: Tue Dec 01, 2020 4:18 pm Thank you Snowmoer, thats what I needed to know
Alex
Just mentioning since WinA posted his pix.
The spring is about 1-1/8 in. wide.
Finger measuring the spring sticking out is around 4 inches. Collaborates others post of 4 inches.
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agedbikeman
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Re: Fork spring length

Post by agedbikeman »

Thank you, now watch this space for my spring compressor gadget
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Garyd
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Re: Fork spring length

Post by Garyd »

did your "gadget" work for you?
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marks146
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Motorcycle: 1994 GL1500 Aspencade
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Re: Fork spring length

Post by marks146 »

agedbikeman wrote: Wed Dec 02, 2020 3:38 am Thank you, now watch this space for my spring compressor gadget
Since it's been quite some time I followed another thread where the gentleman made a tool out of wood and all-thread. It worked perfectly. I've since completed the spring swap and moved on to other repairs. By the way I didn't need to use the compression tool to recap the tubes. I was able to push down the caps and catch the threads without any issues or drama.

To those who are contemplating doing a fork spring refurbishment. Don't be overly concerned. It's not that big a job nor is it difficult. It's just a little oily. No matter how much oil you think you've removed there's always some left inside.
-- Mark

1994 GL1500 Aspencade, 2013 Suzuki C50T
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agedbikeman
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Re: Fork spring length

Post by agedbikeman »

were you able to use this tool with the forks still in place? the tool I'm making is able to do this as I have no intention of removing the forks, just need to measure the springs and drain the oil.

started making gadget but cold weather has put it on hold so I've not finished it yet, when it's finished and tested I always put my gadgets here for the benefit of others in return for all the benefit I get from this site.
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marks146
Posts: 32
Joined: Wed Aug 05, 2020 10:10 pm
Location: Northeast Pa.
Motorcycle: 1994 GL1500 Aspencade
2013 Suzuki C50T
2003 GL1800 (sold 2012)
1999 K1200LT (sold 2007)
1997 Kawasaki 1500 (sold 2004)
1978 CB750K (sold 1985)
1975 CB500T (sold 1978)

Re: Fork spring length

Post by marks146 »

agedbikeman wrote: Thu Jan 21, 2021 3:46 am were you able to use this tool with the forks still in place? the tool I'm making is able to do this as I have no intention of removing the forks, just need to measure the springs and drain the oil.
So if you're not removing the fender parts and wheel then I can appreciate you not removing the tubes. In my case I put new bearings and seals into the hub, so it was not much more for me to remove the tubes and do the full refurb on the guts as I always intended to do.

No, the clamp I made out of 2x4 and all-thread would not work while the down tubes are still in the triple tree.
-- Mark

1994 GL1500 Aspencade, 2013 Suzuki C50T
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agedbikeman
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Re: Fork spring length

Post by agedbikeman »

Thanks for the info, I saw the wood one but as my forks are not leaking or bearings worn, I didn't want to remove them, if it ain't broke, don't fix it.


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