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999 Oberon Clutch Slave

Discussion in '749 / 999' started by yellowducmaniac, Jan 19, 2016.

  1. Hi, yes I’m still around.
    When I changed my clutch plates a few years ago, I found I got terrible drag. The advice on here was that it was probably due to excess stack height. Stack height is measured by removing all the clutch plates and measuring how high the stack of plates is on a flat surface. I therefore removed a couple of plates and it made no difference, so I removed a couple more and it still dragged like crazy. However, I did notice that the lever was now much lighter, so when I found the real cause of the drag, I decided to try sticking with the reduced number of plates to see if it would slip. It didn’t.
     
    #21 Old rider, May 18, 2020
    Last edited: May 18, 2020
  2. Are you sure there wasnt too many plates in to start with? If not do I take a fibre and a metal plate out to try it? Would be cheaper than an oberon slave cylinder
     
    #22 xander296, May 18, 2020
    Last edited: May 18, 2020
  3. Yes and yes.
    I took two pairs out but one pair would be a good starting point.
    If you find it slips at either one pair or two, simply reinstate..
    Nothing to lose...
    That's the joy of the Ducati dry clutch, it's so easy to experiment. :)
     
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  4. Got one on my 900ss ie, fantastico:upyeah:
     
  5. Yes i have, put one on my 900ss before riding down to italy back in 2015. Can't say how many miles i got out of it but replaced it with the oberon back in february this year as it was doing a wee, not much paint damage thankfully. But in a nutshell pretty good!!!!:upyeah:
     
  6. I actually added an Oberon to my bike to give a ridiculously light clutch but only because the oem slave was weeping.
    Both methods have their downside.
    The aftermarket slaves achieve a lighter clutch by increasing the mechanical advantage in he hydraulic system. The downside of this is that the pressure plate moves less, increasing the risk of drag.
    Reducing the stack height reduces the preload on the clutch springs, giving a lighter lever.
    The risk here is of clutch slip but it’s easily corrected and costs nothing.
     
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  7. When I bought a new Multistrada in 2017, I had an Oberon clutch slave cylinder fitted at PDI, because I knew from past experience that the OEM ones are hopeless, and Oberon are the solution. Lightness at the lever had nothing to do with it. Better to prevent the problems from arising in the first place than have to deal with them later, maybe while far from home.

    So I still have the brand new unused OEM slave cylinder sitting on a shelf. It's for sale. Anyone want to buy it? Don't all shout at once ...
     
  8. I put an Oberon on my 916 and didn't notice any difference in lever pressure, still as heavy as the year2000 spec one that was already on, but it looks nice and doesn't leak.
    It was only afterwards that I was told by someone that there are different specs of Oberon - so be careful what you buy.

    (The y2000 one will be going on my 900 as that has the original 25 year old one on that needs seals throwing at it regularly.)
     
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  9. I think Oberon only make the extra leverage versions these days.
     
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