Ohlins TTX GP Install - Suzuki GSXS1000 Forum
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post #1 of 24 Old 08-16-2017, 11:53 PM Thread Starter
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Smile Ohlins TTX GP Install

Just installed an Ohlins TTX GP rear shock and spring from a 2015 GSX-R1000

Not a straightforward install. I'll list the modifications but not all the details on changing a shock.

I lifted the bike using an engine crane on the rearset pegs.
  • Remove the rear subframe, as the shock needs to go in from above
  • The lower side of the left top mount needs grinding back a little (square on the gsxs -rounded on the gsxr
  • The metal support for the battery tray needs cutting back on both sides - no problem as i use a lightweight lithium battery
  • Relocated the tip-over switch to in front of the rear seat catch - it must be in exactly the same orientation as stock
  • The battery box needs cutting back to allow the reservoir to fit

The Ohlins GSX-R shock is 10mm shorter than the standard shock but can be adjusted in length - I left it 10mm shorter as I'm running a 200/55 rear tyre which lifts the rear by 15mm.

It has a 100 Nmm or 10.19 kgmm spring

I've only ridden it a little so far and the initial impressions are brilliant - it seems softer giving a plusher ride but the damping seems far more controlled - now to spend a few days dialiing the back in to perfection

The only downside I've noticed - before the front felt great and the back not so good - now the back feels great and the front not so good, but much better overall
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post #2 of 24 Old 08-16-2017, 11:55 PM Thread Starter
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And few more pictures - keep running to max filesize limits
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post #3 of 24 Old 08-17-2017, 03:00 AM
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Interesting. I am curious as time goes on what you think with your new setup. Please keep us updated?
I would have thought the front end to match the Ohlins on the rear (to an extent)?
Maybe once your used to it, dial it and balance the bike/suspension your view will differ.
Thanks for sharing
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post #4 of 24 Old 08-17-2017, 06:30 AM
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I bet thats why the xz10 shock fits....much more narrow piggyback. The approach I see most people using is sliding the shock up from the bottom. Good work though and awesome pictures...Thanks!
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post #5 of 24 Old 08-17-2017, 12:26 PM
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While the overall height of the bike may be close to stock, a shorter shock will change the angle of the swing arm. A taller tire will lift the bike up, but the geometry is still different from the shorter shock. This is likely why the front end feels funny. You're squatting the back end and likely shifting weight off the forks. Nice hardware though, and you can probably adjust the forks enough to dial it in.
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post #6 of 24 Old 08-17-2017, 03:10 PM
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well . as dedicated öhlins are available ..........the last idea in my mind is to cut the frame
but it´s not my bike (luckily)

http://suzukigsx-s1000.forumfree.it/

my garage:Honda cbr1000rr 04/cbr1000rr sp 14/ cbr1000rr sp2 17/cb1000r 15/cb1000r+18/vfr1200f 2011/cre500SM /goldwing gl1800 2018/ BMW S1000r 18/Suzuki gsx-s1000 16/gsx-s 1000 19/gsxr 1000 k2-k5 / Yamaha mt10 16/ mt10 SP 17/ mt09 2017/ tracer 900 2017/mt09 SP 2018 / aprilia tuono 1100 factory16 /Zero SR /kawasaki H2 SXSE stage2 19 , ktm SD 1290 GT 19 /Few (12) gsx-r oil cooled

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post #7 of 24 Old 08-17-2017, 10:48 PM Thread Starter
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Quote:
Originally Posted by Ghostrider.1127 View Post
well . as dedicated öhlins are available ..........the last idea in my mind is to cut the frame
but it´s not my bike (luckily)
But no TTX Ohlins available, just the basic single tube Shock for the GSXS.

Frame isn't cut, just the battery support on the subframe. When lunched Suzuki said same frame as GSXR but they round of the shock supports on GSXR and not on GSXS
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post #8 of 24 Old 08-17-2017, 11:17 PM
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Looks similar to my SU360. I had to grind the left upper tab of the mounting bracket a bit for the top of the shock to slide in. Not sure if that was the case for your TTX. For aggressive riding on the street I'm running 8 clicks out on rebound and 25 clicks out on compression.

The front acting funny is probably due to changes in the fork rake. Since you lowered the back ,you now have a shallower angle at the front, making the bike more stable and steering less responsive. I would try sliding the tubes a few mm up the clamps in order to bring geometry back to specs. Also, keep in mind that the rear linkage is rising rate, which mean that you are now riding at a stiffer point of travel that when the bike was stock.
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post #9 of 24 Old 08-17-2017, 11:20 PM
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Quote:
Originally Posted by Ghostrider.1127 View Post
well . as dedicated öhlins are available ..........the last idea in my mind is to cut the frame
but it´s not my bike (luckily)
Yeah I know a few people like that whose life is paralysed by fears of all kind. One must learn how to overcome them to live free
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post #10 of 24 Old 08-18-2017, 01:42 AM Thread Starter
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Originally Posted by Fat Pat View Post
While the overall height of the bike may be close to stock, a shorter shock will change the angle of the swing arm. A taller tire will lift the bike up, but the geometry is still different from the shorter shock. This is likely why the front end feels funny. You're squatting the back end and likely shifting weight off the forks. Nice hardware though, and you can probably adjust the forks enough to dial it in.
I hadn't thought about that, but yes very true - I've now adjusted my front forks and the bike feels fantastic
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