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Clutch thickness 17 Jun 2024 10:10 #900876

  • Maxbou92
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Hello guys, does someone has the thickness of a friction disc of a kz750 4cylinders?! Mine have 3.7mm ..
Kz750e 1980

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Clutch thickness 17 Jun 2024 10:42 #900883

  • F64
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3.5mm. You have 0.2mm remaining.



81-KZ440-D2.
Louis Dudzik's GM HEI ignitor conversion installed 2015 s3.amazonaws.com/gpzweb/Ignition/GPZgmHEImod.html
Motogadget m-unit blue installed 2017.
LIC, NY
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Clutch thickness 17 Jun 2024 18:36 #900907

  • Maxbou92
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Thank youuu!! Do you know how much mm when its brand neww ?!
Kz750e 1980

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Clutch thickness 17 Jun 2024 19:31 #900908

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It varies depending on brand. It could be anywhere from 3.55-3.85mm
81-KZ440-D2.
Louis Dudzik's GM HEI ignitor conversion installed 2015 s3.amazonaws.com/gpzweb/Ignition/GPZgmHEImod.html
Motogadget m-unit blue installed 2017.
LIC, NY

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Clutch thickness 18 Jun 2024 06:10 #900922

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I appreciate!! The bike has 75 000km with original clutch!! All is new, except the clutch and I’m very surprised about the « wear » of this one !! 
Kz750e 1980

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Clutch thickness 18 Jun 2024 06:51 #900923

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Be sure to replace the springs.  Stock work fine.  Aftermarket springs tend to be higher tension, which can tire out your hand.  Also, lube or replace the cable with OEM.  You will be amazed how smooth the clutch feels with a new and lubed cable.  

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Clutch thickness 18 Jun 2024 07:47 #900926

  • Maxbou92
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Yess thank you, I run Barnett springs and new cable!! Today I go to the Dyno!! With my new vm28ss and air jet corrector from Zed !!! 
Kz750e 1980

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Clutch thickness 19 Jun 2024 09:09 #900969

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You should post the dyno results. I am thinking around 70HP at the wheel.

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Clutch thickness 19 Jun 2024 13:44 #900986

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I guess I will be more satisfied about it!! He was running good but not performing like I want for a new engine-porting-milled head- Vm28mm- 4-1 pipe and pods!! 155psi on each cylinders!! My girlfriend has a Fz07 and she smokes me like I had a scooter !!! ??? How many 70hp it gives to engine ?! And torque should be how many?
Kz750e 1980

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Last edit: by Maxbou92.
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