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Stock Fork Springs??

  • Thread starter Thread starter Mr. Jiggles
  • Start date Start date
M

Mr. Jiggles

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Here's an easy one - does anyone know whether the stock springs on a 82 GS1100e are progressively wound (wound tighter at one end than the other)?

I'm trying to figure out whether my bike already has Progressive Springs.

Thanks,

Jeff
 
Re: Stock Fork Springs??

They were on my 79 750 and are on my 85 1150. Its probably reasonable to assume the stock 82 1100 springs would be also.
So thats a definite maybe Jeff. :-)

Earl

Mr. Jiggles said:
Here's an easy one - does anyone know whether the stock springs on a 82 GS1100e are progressively wound (wound tighter at one end than the other)?

Jeff
Click to expand...
 
Re: Stock Fork Springs??

Sounds like a green light to spend more money and upgrade. :)

Thanks Earl.

earlfor said:
They were on my 79 750 and are on my 85 1150. Its probably reasonable to assume the stock 82 1100 springs would be also.
So thats a definite maybe Jeff. :-)

Earl

Mr. Jiggles said:
Here's an easy one - does anyone know whether the stock springs on a 82 GS1100e are progressively wound (wound tighter at one end than the other)?

Jeff
Click to expand...
Click to expand...
 
Re: Stock Fork Springs??

At least its only money, and I do so enjoy spending yours. :-) :-)

E.

Mr. Jiggles said:
Sounds like a green light to spend more money and upgrade. :)
Click to expand...
 
Here's an easy one - does anyone know whether the stock springs on a 82 GS1100e are progressively wound (wound tighter at one end than the other)?
Click to expand...

They indeed are. At least mine were... :)

If you want to know if you have PS springs, I can work out the spring rate from the number of coils, spring OD and wire diameter. The stock springs are about 0.47kg/mm (SUPER soft) and the PS springs are about 0.70kg/mm. Both springs are close to 18" long, but the stock springs have 4.1mm diameter wire and the PS springs are 4.5mm diameter.

BTW, I cut about 4" off the end of my PS springs to get the rate up to 0.90kg/mm, which is much closer to what it should be for my 82 1100E and me on it (175lb plus gear). Really, it should be closer to 1.0kg/mm, but I couldn't get that to work in the space available.


Mark
 
I believe they are. I replaced the ones in mine with Progressives 'cause the front end was so mushy, and I had the forks apart anyway to do the seals. The stock ones measured up within limits, but they were still mush even with the preload cranked up full. With the Progressives I need NO preload. :D
 
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