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Thread: Clutch slip

  1. #1
    Join Date
    Sep 2016
    Location
    Milton Keynes
    Posts
    76

    Clutch slip

    When I'm giving it max thrust got some clutch slip mostly in 2nd but had it in 3rd gear the other night as well.
    Would it need an oil change, I'd put semi synthetic in it, or would it more likely be ye olde clutch itself?
    Thank you!
    Baz

  2. #2
    Join Date
    Dec 2007
    Location
    ruislip, west lomdon
    Posts
    2,250

    Re: Clutch slip

    Lots of questions, it's your 06 how many miles has it done?
    What oil is in there at the moment, fully synthetic has been known to cause clutch slip.
    When was it last changed?
    Cheers al

  3. #3
    Join Date
    Sep 2016
    Location
    Milton Keynes
    Posts
    76

    Re: Clutch slip

    Thanks, 40,000 on the clock.
    Think the oil was changed last year before bought it. Ill check the service history tomorrow, at work now.
    To be honest i bought a litre bottle of 10 40 and topped it up so that probably hadn't helped.
    Yeah I'd read about full synthetic, I'll get some Motul and a filter. Is that right about Silkolene being more likely to give clutch slip?

  4. #4
    Join Date
    Nov 2012
    Location
    Bracknell Berkshire
    Posts
    1,231

    Re: Clutch slip

    I bought mine with 35k or so on the clock and it needed new friction plates at around 75k, when I changed them it looked as if they'd already been replaced before as they weren't coloured like the OEM ones are supposed to be (different coloured plates on outside of friction plate set with the original Kawasaki ones) so it may well be your friction plates are a little worn out. I've never noticed issues with different oil brands and the clutch.

  5. #5
    Join Date
    Sep 2016
    Location
    Milton Keynes
    Posts
    76

    Re: Clutch slip

    Thank Chris, was gonna try and do it all before the Ace next Sunday.
    If it came to it , is it best to stick to original Kawasaki clutch ?

  6. #6
    Join Date
    Nov 2012
    Location
    Bracknell Berkshire
    Posts
    1,231

    Re: Clutch slip

    I don't know which would last longer but EBC do describe theirs as 'heavy duty', I used their springs as well can only help. The thing is the price difference though - 115 for a set of Kawasaki frictions and under 50 for the EBC's...
    You maybe get a little more feel using the Kawasaki outer plates (theres two different part numbers), I put EBC on mine and ordered a couple of the Kawasaki outers (8 each) they're a slightly softer compound to the 7 inner plates apparently and supposed to be better for reducing wear on the basket. To be honest though it'd work well enough just putting the complete set of EBCs in, I just decided to faff around with them as my engine was in bits anyway!
    Last edited by Chris'ZRX; 8th April 2017 at 11:10 PM.

  7. #7
    Join Date
    Oct 2005
    Location
    Bridport, DORSET
    Posts
    9,138

    Re: Clutch slip

    Quote Originally Posted by wild32 View Post
    fully synthetic has been known to cause clutch slip.
    the old style friction modifiers went out with the ark. I can't recall a single case of clutch slip on a rex being attributed to fs oil, but I have to be careful with this one because the dreaded J word is in danger of putting in an appearance.

  8. #8
    Join Date
    Dec 2005
    Location
    1980's
    Posts
    4,018

    Re: Clutch slip

    Quote Originally Posted by Stone View Post
    would it more likely be ye olde clutch itself?
    Quote Originally Posted by Stone View Post
    Thanks, 40,000 on the clock.

    If the clutch has done 40k...........it is 100% certain to me, that it is fucked.............so change the oil if you wish BUT you will still need a new clutch fitting!

    My first clutch went at 22k after being thrashed from new by me!

  9. #9
    Join Date
    Jul 2008
    Location
    the Netherlands
    Posts
    5,266

    Re: Clutch slip

    Might be the clutch, though mine still had life in it after 75k. I would recommend OEM plates, since the cork plates make for a smoother shift.
    ships get called 'she'
    I bet torpedoes don't

  10. #10
    Join Date
    May 2007
    Location
    Burton-upon-Trent
    Posts
    4

    Re: Clutch slip

    I need friction clutch plates and springs. Can anyone recommend the EBC clutch plates? Which are quite a saving on genuine kawasaki plates.

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