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  #1  
Old 23 Feb 2020
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Help to unmount rear shock

Hi,

What seems to be a simple task turns out to be quite a job.

I’m trying to unmount the rear shock on my BMW R100GS. The upper and lower bolts are removed along with the rear frame. I ‘ve pulled it about 4mm our from it’s “mounted position” - but here it seems to be stuck. I ‘ve also removed a rubber o-ring from the front and pulled one out of the lower shock mount towards the wheel. It currently have a lot of wiggle room when I rotate the shock.

Any ideas of how I can get it off?

The shock it a TechnoFlex 640.008.001 from 2000.

Thanks,
Casper

Last edited by Traels; 24 Feb 2020 at 15:57.
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Old 23 Feb 2020
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Impossible to answer without knowing what bike you are talking about?
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Old 24 Feb 2020
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I tried searching for that shock to see if I could match the model number to something but no luck, so yes, we need to know what bike
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Old 24 Feb 2020
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Oh yeah- sorry about that.

It's a R100GS 1994.
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Old 24 Feb 2020
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I have had fun trying to remove the rear shock from my GS in the past and have found the only way is to use a piece of wood as a drift coming at it through the spokes and hitting the wood with a hammer, it helps if you have someone else support the shock as you do it. Plenty of copper based grease on reassembly should help prevent it happening again.
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Old 24 Feb 2020
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Wondering if I should remove the bolt which the shock mounts on – number 25 in the attached diagram. I can't really tell how big an operation that is.
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Old 24 Feb 2020
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Quote:
Originally Posted by mark manley View Post
I have had fun trying to remove the rear shock from my GS in the past and have found the only way is to use a piece of wood as a drift coming at it through the spokes and hitting the wood with a hammer, it helps if you have someone else support the shock as you do it. Plenty of copper based grease on reassembly should help prevent it happening again.
Yeah I've actaully tried that before I unmounted the rear frame. At that point the real wheel was also removed, so I had nice access with a large rubber hammer to beat it.

I later unmounted the rear frame to be able to rotate the shock out of it's upper bracket – to give it more wiggle room.
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