1098R 1198R 1198SP Slipper Clutch Help! - Ducati Superbikes

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1098R 1198R 1198SP Slipper Clutch Help!

slipper clutch clutch 1098r

9 replies to this topic

#1 jjachjjach

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Posted 10 October 2013 - 05:33 PM

Hello,

I purchased an EVR basket and plates for my 1198sp (13k Miles). This is the first time I have worked on a clutch. I removed the pressure plate, nut, spring, drum, but the "flange" (as Ducati calls it) will not come off. Is it threaded? Or should I just be able to pull it off? If I need to use some force, how do I do that? If I need to use force, there is nowhere good to grab. It's almost like I need to bolt a metal plate to the 6 black stems on the flange and somehow use a rubber mallet to beat it loose. Help!!! And thanks ahead of time! John

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#2 mrputtputt

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Posted 10 October 2013 - 10:53 PM

are you talking about #16 below? or #7

Posted Image

Edited by mrputtputt, 10 October 2013 - 10:53 PM.

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#3 jjachjjach

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Posted 11 October 2013 - 04:27 AM

Thanks for the picture. Your diagram is for a non-slipper clutch version of the 1x98 series. Hopefully you can see these pictures of my slipper clutch. Take a look - let me know if you can not see them. Thanks for the help! https://docs.google....t?usp=drive_web and https://docs.google....t?usp=drive_web

#4 jjachjjach

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Posted 11 October 2013 - 05:01 AM

Here is a jig that I am thinking of making to pound it off. Thoughts? https://docs.google....dit?usp=sharing

#5 jjachjjach

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Posted 11 October 2013 - 09:36 AM

 jjachjjach, on 11 October 2013 - 05:01 AM, said:

Here is a jig that I am thinking of making to pound it off. Thoughts? https://docs.google....dit?usp=sharing
Thanks for everyone's advice!!! I found a solution!!! The tapping and WD40 help I'm sure, but there was no way of getting enough leverage on that flange to get it out. Not sure why, but my tolerances were very tight! Maybe on the 1x98R's the tolerances were looser and it would just come off. Not in my case - no rust or oxidation either.
I created a jig. 4" round out of 3/4" partial board, drilled six holes, found 6 wide washers with a small hole, and used the same screws that came off the bike. On the back of the jig I taped a very large flat washer and continued to add washers as I made progress. Eventually I had to use a socket so I could get enough depth.
When I screwed down the 6 screws and washer in only gave them a half of turn each and used a star pattern. I kept hearing a "pop" sound. This was the flange coming out very very slowly. I repeated this process about 5 times using more and more washers on the back and eventually a socket.
Hope this helps someone in the future. Here are some pictures.
https://docs.google....dit?usp=sharing
https://docs.google....dit?usp=sharing

#6 mrputtputt

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Posted 11 October 2013 - 06:56 PM

wow.. awesome! i'm surprised the flange didn't come off the slipper unit when you removed it!
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#7 jjb

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Posted 16 October 2013 - 04:56 AM

Good job! Mine has always just pulled off with a little force. When you reassemble, make sure to put the steel plates back in the exact order you took them out - or in the same order as they came with the new clutch pack. Several are "dished" (aka bellville type) and putting them in the wrong order can make it chatter like hell.
Jim Brewer - Big Stick Racing; MRA #90; 2008 Ducati 1098R; 3xMRA StGTO champ, MRA instructor, 2012 MRA Sportsman of the Year

#8 ducatmh

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Posted 17 December 2013 - 03:25 PM

Now that you have it installed, have you had a chance to give it a go? I am pondering the same set up.


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#9 jjachjjach

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Posted 17 December 2013 - 04:01 PM

The place I bought the kit sent me the wrong set of plates. Mine needed the slipper clutch plate set. Once I installed the right ones, yes, awesome! Soooo much quieter than the stock plates and much more room to feather from a stop. Need to put more miles on to know for sure. I ran out of season... lol

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#10 BOBR219

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Posted 17 December 2013 - 06:51 PM

I installed an EVR 48 tooth set-up on my 1098R OEM DP slipper hub. Works gr8, and is very quiet, compared to the 12 tooth OEM basket. Almost 2 racing seasons, and still usable stack height 36.5mm. The only down-fall is the weight, as the ERV uses steel plates, the DP uses aluminum.





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