not enough oil in clutch pack? *how to fix* - Page 4 - Kawasaki Forum :: KawasakiWorld.com
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post #46 of 59 Old 09-19-2012, 06:46 AM Thread Starter
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if you did the "flat spot" mod to the pusher then you dont need to do anything the the sleeve that fits in the needle bearings.

the holes in the hub (where the steels slide) are drilled through, this is how the oil gets from inside the hub, to the clutch pack

01 ZX-12R 8.84 @ 156.3 on dot tires, NA.... turbo 8.47 @ 164
00 ZX-12R 8.62 @ 165.2 no bars, slicks, 55 shot... turbo 8.32 @ 173
00 ZX-12R 1: 222.046 1.5: 226.390 Worlds Fastest NA Kawasaki
00 ZX-12R street turbo 1: 227.9 1.5: 234.1
00 ZX-12R LSR turbo 1: 249.5 1.5: 266.5 Worlds fastest ZX-12R CMG Racing RCC Turbos
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post #47 of 59 Old 09-19-2012, 02:33 PM
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Nice writeup. I missed it the first time around.

Thanks and well done!
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post #48 of 59 Old 09-21-2012, 01:04 PM
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Thanks this is the answer which I needed
to sum up: we should modify the pusher or the hub. The pusher by cutting, the hub by drilling.

Last edited by irki; 09-21-2012 at 10:04 PM.
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post #49 of 59 Old 09-21-2012, 03:12 PM Thread Starter
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Quote:
Originally Posted by irki View Post
Thanks this is the answer which needed :)
to sum up we should modify the pusher or the hub. The pusher by cutting, the hub by drilling.

BOTH, modding the sleeve is not needed tho

01 ZX-12R 8.84 @ 156.3 on dot tires, NA.... turbo 8.47 @ 164
00 ZX-12R 8.62 @ 165.2 no bars, slicks, 55 shot... turbo 8.32 @ 173
00 ZX-12R 1: 222.046 1.5: 226.390 Worlds Fastest NA Kawasaki
00 ZX-12R street turbo 1: 227.9 1.5: 234.1
00 ZX-12R LSR turbo 1: 249.5 1.5: 266.5 Worlds fastest ZX-12R CMG Racing RCC Turbos
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post #50 of 59 Old 09-21-2012, 03:59 PM
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Quote:
Originally Posted by irki View Post
Thanks this is the answer which needed :)
to sum up we should modify the pusher or the hub. The pusher by cutting, the hub by drilling.
Quote:
Originally Posted by KZScott View Post
BOTH, modding the sleeve is not needed tho
like he said, you FLAT SPOT the pusher AND DRILL the hub. Flat spotting the pusher allows oil to get inside the hub, holes in the hub then allow that oil to reach the clutch pack.

KZScotts photo on the first page shows the diameter of the holes that you need to drill, and in what spots you need to drill them. As a not to that, when I did MINE, i drilled mine all the same diameter (I can't recall exactly what it was, but it was similar to what he has listed for one of them) and I drilled 3 holes each time, not the 3/2 sequence he has pictured.
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post #51 of 59 Old 09-21-2012, 05:07 PM Thread Starter
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yes it doesnt need to be as exact as the Muzzy dimensions. Ive since seen several modified hubs and its not rocket surgery. just get them even so it stays balanced

01 ZX-12R 8.84 @ 156.3 on dot tires, NA.... turbo 8.47 @ 164
00 ZX-12R 8.62 @ 165.2 no bars, slicks, 55 shot... turbo 8.32 @ 173
00 ZX-12R 1: 222.046 1.5: 226.390 Worlds Fastest NA Kawasaki
00 ZX-12R street turbo 1: 227.9 1.5: 234.1
00 ZX-12R LSR turbo 1: 249.5 1.5: 266.5 Worlds fastest ZX-12R CMG Racing RCC Turbos
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post #52 of 59 Old 10-20-2013, 03:04 PM
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post #53 of 59 Old 06-13-2014, 03:44 AM
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Found it!

cmg
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post #54 of 59 Old 05-08-2015, 11:55 PM
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I have a spare hub and sleeve and access to a good machinist.

I can do the hub drilling myself but am wondering if the machinist can drill the sleeve?

I'm guessing the sleeve is basically an "L" shaped channel that travels from one end of the sleeve face to a certain depth then a right angled channel to meet up with the outer curvature of the sleeve. I think I also noticed an initial drilling on the sleeve face has a notch on the inner circumference to capture the oil?

Make sense?

Or just too much of a headache to do?

I know I could just grind the puller shaft but am worried if I go too far then too much oil.

Don.
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post #55 of 59 Old 05-09-2015, 06:27 AM Thread Starter
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you have to machine the bottom of the hub to do it that way (see the 3 grooves muzzy does)

01 ZX-12R 8.84 @ 156.3 on dot tires, NA.... turbo 8.47 @ 164
00 ZX-12R 8.62 @ 165.2 no bars, slicks, 55 shot... turbo 8.32 @ 173
00 ZX-12R 1: 222.046 1.5: 226.390 Worlds Fastest NA Kawasaki
00 ZX-12R street turbo 1: 227.9 1.5: 234.1
00 ZX-12R LSR turbo 1: 249.5 1.5: 266.5 Worlds fastest ZX-12R CMG Racing RCC Turbos
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post #56 of 59 Old 05-09-2015, 10:30 PM
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Yep thanks KZScott, I'll have to decide if worth the effort, I just don't want to overdo the pusher if I go that way. From what I can see the amount of grinding on the pusher come just short of the end of the wear mark in the pics, unfortunately Hibs pics don't show up on my iPad anymore.

Don.
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post #57 of 59 Old 05-13-2015, 07:30 PM
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I've studied the pics I've found of the muzzy modified hub and the one you have of the sleeve. From what I can see all they have done to the sleeve is to notch the inner edge of one of the holes drilled on the face of the sleeve as shown in your pic.The hub has the three grooved channels running out from the centre shaft hole. Does this sound correct?

If this is all they have done, along with the holes drilled in groups of 3 and 2 as you have done, then I think I will do the sleeve and hub modification as I have both as spare parts anyway and may as well use them.
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post #58 of 59 Old 05-14-2015, 10:00 PM
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There's a saying: It's better to keep one's mouth shut and be thought a fool than to open it and remove all doubt!

After doing more extensive research online at various posts concerning all things zx12r clutch, I finally realised the holes on one end of the basket 'sleeve' are short blind ended ones, and can be used to remove the sleeve using a 4mm threaded bolt. They are not continuous with the hole drilled on the side of the sleeve. This now makes sense to me as to drilling the notch by one of the holes to allow oil flow through to the hub, once that has had the three shallow channels drilled at its base, as per the muzzy setup.

Thus the reference by KZScott in following pic!

Sometimes I'm so slow to pick things up until I've re-read a few times it scares me!

Quote:
Originally Posted by KZScott;458656[IMG
http://i147.photobucket.com/albums/r295/KZScott/dads%20bike/clutch/M4.jpg[/IMG]
Ok pic might not show up, it's the 4th one on first page of this topic.

Last edited by Duck00; 05-14-2015 at 10:02 PM.
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post #59 of 59 Old 05-14-2015, 10:32 PM
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KZScott, I have just found your post from 2007 on Bikeland re 'Broken clutch parts'.

Looks like the sleeve needs those holes drilled right through, as well as the notch cut on one end of one of them.

Also looks like apart from the three grooves cut at the base of the hub, there is also a hole drilled through by the toothed hole at the centre of the hub, to allow oil through from behind and then along the holes in the sleeve, and finally to the grooves to feed the inside of the hub from behind the washer, then flung out the row of holes drilled in the hub casing to feed the clutch plates/fibres.

This is looking increasingly like the pusher shaft is MUCH easier to modify and just drill the series of holes in the hub, set and forget!

Don.
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