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Offline BorderlandBiker

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Re: Z900 Clutch Problems
Reply #30 on: July 10, 2021, 09:53:15 AM
*Originally Posted by coloradojohn [+]
I know this thread is a bit old but this exactly describes what my bike is doing. Its a hair over 9000 miles and has been doing exactly as he stated above. I'm very curious as to what is causing this and how I can fix it as it gets very annoying.
Did Kawasaki ever remedy this 'clutch' problem in their NEWER 2021 Z900 abs models?...Is this problem something I must look forward to fixing?...It sounds like an engineering or design problem that the company that would have fixed???

Online 3alfa3

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Re: Z900 Clutch Problems
Reply #31 on: July 14, 2021, 10:48:52 AM
*Originally Posted by Cazzy_R [+]
This is an old thread and most of the bikes affected seem to be 2017 models.
Kawasaki must have been aware of it and shuffled the friction plates for 2018 onwards. I assume that fixed it?
Some (myself included) have fitted heavier clutch springs as insurance.


My 2020 (stock) with 24.000+km never had clutch slippage. 3mm clutch cable free play from day one.
Tried to provoke slippage, WOT in 6th gear from 3500rpm until cca 9000rpm every now and then, and nothing, just linear acceleration.

Offline Cazzy_R

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Re: Z900 Clutch Problems
Reply #32 on: July 14, 2021, 10:56:52 AM
*Originally Posted by 3alfa3 [+]
.......3mm clutch cable free play from day one.....

 This. ^ 👍
Tighten it 'til it strips then back it off half a turn.

Offline Zed62

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Re: Z900 Clutch Problems
Reply #33 on: July 21, 2021, 02:50:11 PM
  Coming from the Z400 I am familiar with the clutch problem discussion.  Here is the pattern I have seen:  Improperly adjusted cable free play due to lack of maintenance or mechanical skill and abuse of the motorcycle ie. doing burnouts & etc.

  A basic knowledge of how a motorcycle wet clutch works is a huge asset; if you do not know what you are doing you should get someone to do the adjustment for you.

  The Z400 had 5000 kms on it when I traded it and the clutch was never a problem.  I am certain that the Z900 has a totally adequate clutch; although I will be adding a clutch cable return spring as I did to the Z400.  Not sure why some feel that the clutch should begin to disengage at the slightest pull of the lever. :084:
Last Edit: July 21, 2021, 02:50:51 PM by Zed62
ZED62

Yamaha HSI, RD400, RD350 LC, Honda CX500, Seca650, Z400, Z900

Online PJ69

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Re: Z900 Clutch Problems
Reply #34 on: July 28, 2021, 09:14:36 AM
I had a slipping clutch many moons ago on my F2 zx6 ginger Ninja. When Corby Kawasaki looked at it, they said the combined depth of the numerous friction and other plates was out of tolerance. Apparently, the steel plates vary slightly in thickness from batch to batch, and can result in a difference, plus wearing friction plates add to the issue.

More play in the cable is better than not enough as the actuator wears and overheats.
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