1200gsa fork seal driver.

[thunk]

Does anyone know of a fork seal driver thats 3d printable for the gs?
i can draw one i guess and print it, its just a tube i think - of the corect diameter and length ? im wondering what diameter to make it.
the external of my 2010 seal is 52,2 - so 50/51?
any thoughts?
im just doing one side and without taking the whole fork out.
maybe someone did this already...

 

[Steptoe]

Just use a sutiable sized socket. I think the socket I use a 34 mm

 

[thunk]

Just use a sutiable sized socket. I think the socket I use a 34 mm

yes, i have used a socket in the past, i was just looking to see if i can print something better than that.
last time i tried my 34mm, it wasnt so good i guess the one i happened to have was a little smaller diameter and 34 was as big as my set went

 

[Slipperyeel]

I printed one. Can send you the file if you like. Or print you one and post it

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[Steptoe]

Just fitted a couple new fork seals, the socket is a King Dick 3/8 af 3/4 inch drive

 

[Slipperyeel]

Just fitted a couple new fork seals, the socket is a King Dick 3/8 af 3/4 inch drive

King Dick? - 3/4"... Whoo are they kidding?



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[thunk]

So in the end I went for electrical tape wrapped around in many layers on the fork to push it in - worked a treat!

 

[theoneandonly]

Just use a suitable sized socket. I think the socket I use a 34 mm

Heathen ! .....do you not have a seal driver ?

 

[mpgscott]

Last time I did an old 1050 triumph forks I just copied a video using a piece of white drain pipe same as Delboy here

Worked fine for me.

 

[Gsnelly]

I did the whole fork seal replacement thing recently………put 650ml of 10 wt oil in each leg as the Haynes manual said…….asked on here if that was correct, people seemed to agree, made a note and took a pic of which way the old non leaking seals were fitted………and now………my bloody forks leak!
The oil level looked really high in the lowers……..does everyone else go with the Haynes 650ml?
It’s a 2012 GSA
Cheers

 

[Slipperyeel]

I did the whole fork seal replacement thing recently………put 650ml of 10 wt oil in each leg as the Haynes manual said…….asked on here if that was correct, people seemed to agree, made a note and took a pic of which way the old non leaking seals were fitted………and now………my bloody forks leak!
The oil level looked really high in the lowers……..does everyone else go with the Haynes 650ml?
It’s a 2012 GSA
Cheers

Are they OEM seals or alternative aftermarket versions?

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[Pukmeister]

I’ve always slit two lengths of plastic pipe, one slightly longer than the other. Wrap the shorter one around the stanchion then wrap the longer one over it so it’s flush at the top/staggered at the bottom. Secure with big jubilee clips then use the stanchion as a slide hammer to drive the seal home without damaging the seal lip. Fits any diameter stanchion/seal, works every time/cheap as chips.

For fork oil levels I slightly overfill each leg and stroke the inners to expel air then use my mityvac vacuum pump with a piece of copper pipe set to the correct air gap with tape and ‘syringe’ the excess oil out so both forks are set to exactly the same correct fill level.

 

[Gsnelly]

I’ve always slit two lengths of plastic pipe, one slightly longer than the other. Wrap the shorter one around the stanchion then wrap the longer one over it so it’s flush at the top/staggered at the bottom. Secure with big jubilee clips then use the stanchion as a slide hammer to drive the seal home without damaging the seal lip. Fits any diameter stanchion/seal, works every time/cheap as chips.

For fork oil levels I slightly overfill each leg and stroke the inners to expel air then use my mityvac vacuum pump with a piece of copper pipe set to the correct air gap with tape and ‘syringe’ the excess oil out so both forks are set to exactly the same correct fill level.

Sounds pretty solid rationale……..could I ask what the oil height ends up being once you have drawn out the excess? And I’m guessing this must be measured with the upper removed again?
If I had that height measurement…..I could just remove the oil I don’t need and then re fit some new genuine seals
thanks

 

[Slipperyeel]

Sounds pretty solid rationale……..could I ask what the oil height ends up being once you have drawn out the excess? And I’m guessing this must be measured with the upper removed again?
If I had that height measurement…..I could just remove the oil I don’t need and then re fit some new genuine seals
thanks

If they were aftermarket seals, then it may simply have been that. I had much the same thing and others too - with aftermarket seals.

Because they're not suspension, they're pretty tolerant to oil level. I'd have thought you could be quite over the stated amount and still not have an issue with leaking, likewise, you could have a less and all would be fine too.

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[Gsnelly]

If they were aftermarket seals, then it may simply have been that. I had much the same thing and others too - with aftermarket seals.

Because they're not suspension, they're pretty tolerant to oil level. I'd have thought you could be quite over the stated amount and still not have an issue with leaking, likewise, you could have a less and all would be fine too.

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Thanks……ordered some genuine snow, will remove 25ml from each leg and see how we go

 

[Pukmeister]

If I had that height measurement…..I could just remove the oil I don’t need and then re fit some new genuine seals
thanks

Without the manual in front of me I have no idea. I’ve done the job on a handful of my bikes over the years but none of them were a BMW.