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post #1 of 11 (permalink) Old 11-21-2018, 02:27 AM Thread Starter
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Fork ID help

Hi all, hoping for some help identifying a set of forks I have. I am led to believe they are from a GSXR1000 but year is unknown. Forks have ohlins TTX inserts FGK 2071. It has Red rebound adjusters on the bottom? All helps appreciated. Cheers
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post #2 of 11 (permalink) Old 11-21-2018, 08:57 AM
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Re: Fork ID help

Hmmm....my best guess is those are from a 2009-2011 GSXR-1000 given the TiNi coating on the lower fork tubes. On the '12 1000 (and also the 2011-2018 600/750) they all have chromed lower fork tubes.

The 09-11 1000 didn't come with those Brembo calipers OEM either, it came with the Tokico monoblocks, but its easy enough to swap the calipers out as they are the same spacing....I have the same calipers on my K5 1000. BTW, I believe those are Ohlins 30mm NIX cartridges so the rebound would be at the top of 1 of the forks (should be the right leg) and comp at the top of the other, the red plug at the bottom is just a dummy/blank cover...but on the stock OEM internals that would be the preload adjuster, not rebound.

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post #3 of 11 (permalink) Old 11-21-2018, 09:28 AM
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Re: Fork ID help

Just for some additional info, I don't see a listing for an FGK 2071 fork kit. But the FGK 207 is the 30mm road and track kit for the 2009-2011 GSXR-1000

https://www.ohlins.com/app/uploads/w.../MI_FGK207.pdf


And they're not the TTX carts (which are the gas-charged) as you mentioned above because it's the wrong part number, those would be FGR-157's

https://www.ohlins.eu/en/products/mo...fgr-157--4152/
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post #4 of 11 (permalink) Old 11-21-2018, 12:27 PM
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Re: Fork ID help

+1 on what SPL said. The NIX cartridges say PRELOAD on both sides plus REB on one side and COMP on the other. A shadow prevents me from reading yours. You could also measure the tube OD at both triple clamp mounts as an indication of what you have. The NIX cartridges get installed into forks that they're not officially for. I have FGK 2103 (I think officially for Ducati) in my K6.
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post #5 of 11 (permalink) Old 11-21-2018, 02:31 PM
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Re: Fork ID help

Quote:
Originally Posted by SPL170db View Post
Hmmm....my best guess is those are from a 2009-2011 GSXR-1000 given the TiNi coating on the lower fork tubes.
It could be the picture but coating looks darker than my bike's K9 forks. Maybe the forks are K8 or earlier.
Do what BillV said - measure the diameters.

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post #6 of 11 (permalink) Old 11-22-2018, 02:26 AM Thread Starter
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SPL - sorry was ment to say NIX not TTX cartridges. The calipers are from a 2012 from what I was told.
Good to know the red plug is just a dummy cover as all pics I could find were of blue or silver ones.

Have not had a Big play with these forks yet as bought them for the RGV from a guy who had them revalved and resprung

BillV - OD of upper is 50mm and lower is 55mm

Cheers for all the info guys 👍
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post #7 of 11 (permalink) Old 11-22-2018, 02:59 AM
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Re: Fork ID help

50/55mm = K9-L1 forks.
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post #8 of 11 (permalink) Old 11-22-2018, 02:57 PM
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Re: Fork ID help

That lower adjuster is the spring pre-load on K9-L1 and, per the service manual and online pics, is blue with eight holes. Possibly yours were replaced because of some issue with the NIX cartridges. Or maybe other applications use red adjusters. Compare yours with this, particularly the legs for mounting the fender and caliper:


P.S. I just noticed this thread where he put ZX10R BPF forks onto a Triumph. They have the red adjusters. So that may be where yours came from.

Last edited by BillV; 11-28-2018 at 02:47 PM. Reason: Added P.S.
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post #9 of 11 (permalink) Old 02-08-2019, 06:29 PM
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Re: Fork ID help

Quote:
Originally Posted by BillV View Post
That lower adjuster is the spring pre-load on K9-L1 and, per the service manual and online pics, is blue with eight holes. Possibly yours were replaced because of some issue with the NIX cartridges. Or maybe other applications use red adjusters. Compare yours with this, particularly the legs for mounting the fender and caliper:

P.S. I just noticed xxx thread where he put ZX10R BPF forks onto a Triumph. They have the red adjusters. So that may be where yours came from.
Ignore the adjuster on the bottom. It is now decoration, just a plug. 30mm NIX and the 25mm TTX Gas Charged both only adjust from the top. The top nut is for preload. One fork will say 'REB' for rebound and the other fork will say 'COMP' for compression. You only adjust one side for rebound and the other for compression using an allen wrench. Your third pic shows that is the rebound fork.

Ohlins part numbers on forks are all three digits after the model markings. The fourth digit is a revision marking, and has no impact on the parts inside.
FGK207 is the model and the 1 is the revision. You will see this on shocks, FGRT forks etc. A FGRT fork would be SU1112 (SU for Suzuki - 111 for model - 2 for revision.
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post #10 of 11 (permalink) Old 02-08-2019, 06:31 PM
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Re: Fork ID help

ww.ohlins.com/product-item/61564/

ww.ohlins.com/app/uploads/world/documents/2015/05/MI_FGK207.pdf
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post #11 of 11 (permalink) Old 02-08-2019, 06:32 PM
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Re: Fork ID help

I am too much a noob to post links. I cannot seem to get around the "big brother" reviews of my posts, so figure out what is missing to see details from Ohlins on your cartridges.
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