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SC82 Specialist
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Discussion Starter · #1 ·
Took me a minute as I have been busy but I have installed the Suter slipper clutch sourced through Graves Motorsport.

Will update this space once I have tested this clutch on both road and track.

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Service Manual
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Torque spec of 137 ft/lbs for clutch inner hub
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Stock clutch - known to generate chatter on track and is a rather crude design IMHO.
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Stock clutch with outer plate removed
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Need to relieve stake before removing 30 mm 12-point nut
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Suter inner hub installed - these Tusk clutch-holding tools are not ideal
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Job done! Single bolt is removed to check for play - recommended at 1.0 mm
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It is VERY important that the stack height is adhered to for proper functioning. This is a race clutch and not really intended for folks doing thousands of miles - maintenance is key.

Stack height should be 49.5 mm + .2 mm, - .4 mm

I also apply molybdenum grease to the end of the pressure plate puller.

The bearing from the OEM pressure plate will need to be removed and re-used with a bearing puller.
 

SC82 Specialist
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Discussion Starter · #4 ·
Went to Chuckwalla - Clockwise this past Monday to test the new slipper clutch and the Akrapovic slip-on, unfortunately my GoPro didn't work and the wind was pretty terrible so I had to cut the day short but I managed a dozen laps and am happy to report the new Suter clutch cures the high-speed oscillation I was experiencing before - problem solved and the slip-on works and sounds great too!

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Can't wait to get the HRC kit parts on this thing - going to be incredible with another 30 ponies - it is already SO good and I am still on street tires - my 3rd set in 600 miles :)
 

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Hi roadrecerx, thanks for your feedback (y)

Could you develop a bit ??? "new Suter clutch cures the high-speed oscillation I was experiencing before "
 

SC82 Specialist
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Discussion Starter · #6 ·
@Pper38 not sure what you mean by "Could you develop a bit" but I am guessing you want to know what this high-speed oscillation is that I mentioned....

If you watch the video below you can see and hear what I am talking about. The frequency is too fast to be called chatter but there is this high frequency vibration that is acceptable for 99% of the riders out there - I am just trying to make the bike more smooth on corner entry and the Suter clutch improves this aspect of the bike. This is a VERY SMALL change to the bike - not night and day different but better for sure! Also the Suter clutch is tunable so you can change the engine braking and how smooth or aggressive the clutch slips. Plate wear will increase as you make it smoother but I change clutch plates in all my race bikes after 2-3 race weekends (8-12 launches).

Is this the info you are looking for?

 

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Hi and up for thid post

I ride in france with sc82 HRC kit ecu....I'm looking for add suter clutch because on hard braking i often have chattering on the front...but it seem that the problem begin and comme from the rear and with the engine break...even if i optimise engine brake with HRC software, hard to have perfect result...did you feel change with this part of riding and do you think suter will help to fix this problem ? thanks for your answer...
 

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Ok...but 1000鈧 i hope it will really be more efficient and solve my problem...and give a really improvement with entry corner and engine break...thnaks for your answer..
 

SC82 Specialist
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Discussion Starter · #13 ·
@09_Blade Ed Vigna = EVR --> he created the slipper clutch and STM copied it. Yoyodyne makes less expensive slippers. I like Suter, they are most tunable.
 
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