Anyone found a way to better oil the gen 4 clutch - Kawasaki ZX-10R.net
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post #1 of 16 Old 06-17-2018, 03:10 PM Thread Starter
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Anyone found a way to better oil the gen 4 clutch

The gen 4 shifts smooth when cold but after it gets hot downshifts get sticky. Sometimes hard to push the lever down without extra force, I've changed clutch to rule out warping plates etc. Seems better when i re soak fibers in oil but after few days it goes back to same notchy downshift once hot. I'm thinking theres just not enough oil circulation on the gen 4 clutch. Anyone find a solution to this

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post #2 of 16 Old 06-17-2018, 11:47 PM
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I'm not sure if heard that issue before, but if you have fitted a new pack correctly then what else could it be.
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post #3 of 16 Old 06-18-2018, 05:14 AM Thread Starter
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It seems the position of the gen 4 clutch being so high causes it to not get as much oil on the plates as previous generation.

04 1000rr, 05 zx10 rocket...check out some of my work in my albums link.. https://www.zx-10r.net/forum/album.php?albumid=3114
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post #4 of 16 Old 06-18-2018, 08:28 AM
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Some runing a oil line from oil pan to the cluch cover so clutch gets plenty oil might be worth looking into.

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post #5 of 16 Old 06-18-2018, 12:01 PM
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If oiling the clutch was a real issue, it would happen to everyone. Lucky for us, it's not an issue at all with gen4 and 5 (and likely older gens too). I ran my gen4 for 10k miles on the track and never had this problem. The problem is probably with the transmission. I would say a bent shift fork. Luckily, Kawi was kind enough to make cassette-style gearboxes for our bikes so it's pretty easy and quick to remove it and replacing a shift fork takes 30 seconds. Just check the service manual on the step-by-step and don't rush it.
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Last edited by Lanister; 06-18-2018 at 12:04 PM.
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post #6 of 16 Old 06-18-2018, 01:36 PM Thread Starter
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Def don't think shift fork issues or it would not get better or worse with temp, from searching it seems to be a number of the gen 4 have had the issue and re oiling the plates is just a temp fix to a poor design. Possibly some suffer from it worse than others,

04 1000rr, 05 zx10 rocket...check out some of my work in my albums link.. https://www.zx-10r.net/forum/album.php?albumid=3114
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post #7 of 16 Old 06-18-2018, 01:46 PM Thread Starter
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And it's also not gear dependant so no way every shift fork is bad. Clutchless downshift doesn't have the issue but I don't like doing that

04 1000rr, 05 zx10 rocket...check out some of my work in my albums link.. https://www.zx-10r.net/forum/album.php?albumid=3114
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post #8 of 16 Old 06-18-2018, 02:42 PM
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there is a trick of notching the clutch pull shaft(1/8th ") .....this lets more oil flow out to the basket....more oiling holes needed on the clutch basket to get the oil to spots to effectively cool the plates.

2004 ZX10R-few mods here and there......
and even made more Evil by Woolich.
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post #9 of 16 Old 06-18-2018, 03:23 PM
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Maybe new clutch springs? They do weaken over time and have to be replaced periodically.
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post #10 of 16 Old 06-18-2018, 03:28 PM Thread Starter
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Ya I just replaced the whole clutch with a gen one setup. New heavier springs also. Any info on notched pull rod?

04 1000rr, 05 zx10 rocket...check out some of my work in my albums link.. https://www.zx-10r.net/forum/album.php?albumid=3114
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