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Which sliper clutch do you recommend.

10 posts · Started by kevxtx · 02 Jul 2011

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I have done lots of home work & searching on all the KTM forums & it's come down to 2 makes, so before I cash out which one do you guys recommend? A Suter or the STM for my 990 SMR.

Mainly use my bike for weekend riding with lots of twistys.
Do you ride on track much? are you really locking the back up that much on road? I quite like the engine braking on road and you lose most of it once fitted.

I had the Sigma so cant answer really.
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Sigma was great, to gain more/less slip you just change the width of the stack with a slightly thicker plate, I believe one of the others requires a special tool to fit so more expence.

Id buy another Sigma.

Jody a moderator on here had problems fitting his slipper one of the above mentioned and could not get it work properly.
I have a STM slipper which works great as does the Sigma according to most posts on this question.I'm sure which ever way you go you will be smiling.The STM does not need any special tools as long as you can get hold of an air or electric rattle gun and was so easy to install.Cheers
Thanks for that, just the info I am looking for. I have a impact gun & torque wrench to tighten the nut up.
I have a SMR and the "KTM" slipper. Works good with ample engine braking but no hops--invisible really--a good thing. Includes a bit of Ducati-like clatter idling in neutral......hope that is normal.
I've had a TSS (Sigma), and currently have an STM (Duc, dry) and the Suter (KTM) on my SD. I also have an OEM Suzuki slipper, mentioned only for comparison.

I'm a fan of slipper clutches, particularly on high-comp V-twins. I found the hopping on my SDR on the street to be unbearable ... and I could envision a fateful corner entry on even a small amount of loose material, ending up on my head. So, I ride a little fast now and then. Invaluable IMO, even for the occasional trackday attendee. Seriously, I consider slipper clutches a "safety feature", as well as a performance accessory. I still rev match, and ease out the clutch, but a slipper just improves that process, drama-free.

In monetary terms, if a hard street or track rider, what does even one minor low side cost? If a slipper saves the bacon just once, its paid for in my book. One might argue that it only enables that much more hooliganism ... If a concern, then why own a SuperDuke?

I like the Suter, of them, seems to me to be the least perceptible. I also think the Suter is the best-engineered of the lot. I also like the diaphram spring actuation (yes, I know STM has these now as well), but the force rating on the one that came with the KTM model for the SD, was inadequate. Went to the next value. Sure, it was heavier at the lever, but no worse than the stock clutch - and unlike the spring that came with the Suter slipper, it has never slipped. I am not the only one to have experienced clutch slipping with the spring that comes with the Suter (from KTM). I have posted elsewhere on the spring value I'm using, Suter part numbers,etc.

Good luck with your decision.
I have the STM, the standard springs that came with it as stock have been perfect! no clutch slip and perfect clutch slip (if you get me )
I've got a YoyoDyne which is a US copy of the Sigma and its my first working slipper clutch. Seems fine and installed in 30mins. I would recommend it but can't compare it to others.
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