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BIKELAND > FORUMS > DRAGBIKE ZONE.com > Thread: matt sterbator...long lasting clutches!!! NEW TOPIC NEW POLL POST REPLY
entropy


Moderator
Posts: 8671
posted January 08, 2006 05:32 AM        
psycho,
Yep, I have "deaf eyes", and was just being too lazy to go and read all the material above...

my motor is on the bench so I just may do the drilling. IF, that is, my failing vision can locate your explanation.
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psycho1122


Pro
Posts: 1608
posted January 09, 2006 07:17 AM        
Stick a Pencil into the Pusher Shaft "Hollow" portion, note how deep it goes. Then examine the Pusher itself, at that point you will know exactly where to put a .040 cross drilled hole.
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entropy


Moderator
Posts: 8671
posted January 09, 2006 10:01 AM        
Psycho,
thanks. I looked at mine and see what you mean.
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psycho1122


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posted January 09, 2006 04:50 PM        
Your Welcome! No problem at all......
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ninja12


Needs a job
Posts: 3310
posted January 10, 2006 07:58 AM        
not easy to drill.
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psycho1122


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Posts: 1608
posted January 11, 2006 07:53 AM        
EDM..............Done!
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krexken


Zone Head
Posts: 732
posted January 11, 2006 04:22 PM        
A cobalt bit won't touch it either. EDM is the only way probably. I did the two flatspot mod on the pusher shaft. Worked for me very well although I had 16-46 gearing and didn't need much clutch.
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psycho1122


Pro
Posts: 1608
posted January 12, 2006 06:49 AM        
"Flat Spot" mod only allows oil to flow when Clutch is "Pulled". This is due to the Stop on the Puller Shaft.
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ninja12


Needs a job
Posts: 3310
posted January 12, 2006 07:57 AM        
you should groove the stop when you flat spot.
That way you always get oil. very hard to control how much.

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lonniemac


Expert Class
Posts: 225
posted January 12, 2006 10:41 AM        
i had to grind a spot into the shaft then wireweld it up and then drill the hole in the weld. the shaft is very hard and u using a small bit.
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psycho1122


Pro
Posts: 1608
posted January 13, 2006 06:00 AM        
quote:
you should groove the stop when you flat spot.
That way you always get oil. very hard to control how much.


Can you see how much easier it would be to EDM cross drill the pusher .040 to get a nice metered oil supply to the inside of the Hub?
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bugnutt


Parking Attendant
Posts: 18
posted January 18, 2006 05:13 PM        
Has anyone tried the schnitz racing hyper plates? if so what were the results?
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lonniemac


Expert Class
Posts: 225
posted January 20, 2006 04:02 AM        
i am dragracing only them for 2 seasons now. i have not had or even tried to measure the performance. i went with rc wheels about the same time. i do know they r holding up with about 250 hp no lockup. so gain i dont really know but the principal is practical and they didnt hurt me.
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bugnutt


Parking Attendant
Posts: 18
posted January 23, 2006 06:04 PM        
Thanx lonnie for the info i'm going to give them a shot !
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chavcat


Zone Head
Posts: 524
posted August 10, 2008 08:14 AM        
Clutch stack height with CR mods

Has anyone encountered a stack height which seems too high with the CR mods (00 model)? I made the changes and the stack height resulted in little to no adjustmet left at the clutch cover?
Any ideas/suggestions would be appreciated.
Thanks

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CrotchRocket


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Bracket Racing with Betsy
Posts: 8038
posted August 10, 2008 09:06 AM        Edited By: CrotchRocket on 10 Aug 2008 10:09
You need to find the right adjustment arrangement for the clutch cover and the clutch lever...

Try putting the clutch cover adjustment in dead center - meaning the same amount of threads showing after each side of the nuts...

The clutch lever adjustment should be around 4-5 threads showing depending on your cable...

If not then adjust the clutch cover adjustment until there is the 4-5 threads showing at the clutch lever with a decent amount of play in the clutch lever for the clutch expansion...So that you still have a little play in the lever when hot so the clutch doesnt drag!!!

I hope you know what Im talking about...

It's alot easier to explain it while showing you !!!


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chavcat


Zone Head
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posted August 10, 2008 09:24 AM        
Rick-this sounds different vs the manual which I believe states to initially adjust the clutch lever play ~ 2-3mm with ~ 5-6 mm thread showing on the adjuster then pull the cable tight and push the release lever forward until it is firm.
With this, I ended up with a clutch lever angle which was ~ 45 degrees at best vs the 60 degrees on my stock 02 ZX12R lever?
I checked all plates which measured within tolerance yet something is clearly wrong with my setup.
By the way, out of interest, I replaced everything back to the previous Muzzy kit (including the 2 small fibre plates and 2 springs) and the lever angle is now correct.

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CrotchRocket


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Bracket Racing with Betsy
Posts: 8038
posted August 10, 2008 10:09 AM        Edited By: CrotchRocket on 10 Aug 2008 11:12
When you tried my clutch set up, you should have just tried to adjust all the adjustments to proper play and road tested it...You would have found that it is actually very streetable with a soft clutch lever preventing cramps in your clutch hand if driving in traffic which we have alot of here in NYC...

My recomended set up, maybe a hair over factory stack height, but with the OEM springs I recommended and clutch adjustment for proper play without causing clutch drag... It works!!!

Thats why I and others that have some finese with the clutch get 100 pases from my recommended set up...

Muzzy's set up is a hair under factory stack height but his works with the HD springs in his kit...

I know nothing compared to the engineers @ Kawasaki who set up the ZX12 and Muzzy who has a race business...

I just found a clutch set up that gives me CLUTCH LONGEVITY...Not keeping in spec and not giving more $$$ to Kawasaki or Muzzy for more clutch plates!!!
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chavcat


Zone Head
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posted August 10, 2008 10:15 AM        
Rick - I agree with the poor longevity with the Muzzy setup as they don't last at all. I will go back and re-install as per your setup adjustments. Unfortunately I only have 00 OEM springs. Will this be a problem vs the 02 springs?
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CrotchRocket


Moderator
Bracket Racing with Betsy
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posted August 10, 2008 10:23 AM        
I think the 2000 OEM springs are a hair softer or the same stiffness not sure...It will be fine though...You shouldnt use the HD springs though, adds way too much pressure on the clutch...On a stock motor...

But, some of the guys with piston kits and big motors using a stock clutch have used my set up with 3HD springs and 3 2002 OEM springs and found it not to drive through in the 1/4 mile...


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chavcat


Zone Head
Posts: 524
posted August 10, 2008 10:32 AM        
Thanks - I'll try it again with the OEM 00 springs. I'll order a new set of 02 springs.

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suix


Expert Class
Posts: 122
posted February 03, 2009 11:27 AM        
sorry to bring back the old thread...
ive a 00 muzzys hub..isit Possible to drill identical holes like those B models stock hub??

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KZScott


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high on speed
Posts: 7235
posted February 03, 2009 10:14 PM        
old topic, but when i had to adjust the stack height over the factory spec to get proper clearance for my lock up, i had to shim the cover out to get more adjustment and the correct angle on the puller. couple extra gaskets should do it for the CR setup imo
____________
01 ZX-12R 8.84 @ 156.3 no bars, DOT tires. Pump Gas, NA.... turbo 8.47 @ 164.
00 ZX-12R 8.62 @ 165.2 no bars, slicks, Pump Gas, 55 shot.... turbo 8.32 @173
00 ZX-12R Fastest NA Kawasaki in the world 1: 222.046 1.5: 226.390 Loring AFB
00 ZX-12R street turbo 1: 227.9 1.5: 234.1 Loring AFB
00 ZX-12R LSR turbo 1: 263.1 1.5: 266.5 Loring AFB Worlds fastest ZX-12R
CMG Racing RCC Turbos

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brickman


Expert Class
Posts: 294
posted February 04, 2009 05:17 AM        
if any one is looking for a billet basket for a 2000. pm me i have one in great shape with the gears all ready on it. $250 + shipping. and a muzzy lock up with the bearing that go's in the cover.$ 300.
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KZScott


Needs a life
high on speed
Posts: 7235
posted February 04, 2009 12:18 PM        
hey brickman, i know a guy that needs a basket. ill pm you
____________
01 ZX-12R 8.84 @ 156.3 no bars, DOT tires. Pump Gas, NA.... turbo 8.47 @ 164.
00 ZX-12R 8.62 @ 165.2 no bars, slicks, Pump Gas, 55 shot.... turbo 8.32 @173
00 ZX-12R Fastest NA Kawasaki in the world 1: 222.046 1.5: 226.390 Loring AFB
00 ZX-12R street turbo 1: 227.9 1.5: 234.1 Loring AFB
00 ZX-12R LSR turbo 1: 263.1 1.5: 266.5 Loring AFB Worlds fastest ZX-12R
CMG Racing RCC Turbos

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BIKELAND > FORUMS > DRAGBIKE ZONE.com > Thread: matt sterbator...long lasting clutches!!! NEW TOPIC NEW POLL POST REPLY

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