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79 KZ400 Clutch adjustment screw and lock nut 15 Nov 2014 06:20 #653743

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Hey guys,

I've read a bunch of threads and cannot seem to find an answer to my problem yet, hence this question:

I recently went looking for an oil leak and foolishly took apart the adjustment screw/lock nut on the clutch cover. My clutch is now incredibly loose and I cannot get it to tighten.
I have everything reassembled now and have turned the screw out (counterclockwise right?) until I get tension in the clutch lever. After this I have tightened the nut, however I cannot get more than one pull on the lever because it gets loose again. I have played with the adjusting nut and lock nut on the cable, but it makes no difference. Any thoughts? Below is a picture of what I'm working with. Thanks!

Attachment IMAG04591.jpg not found

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79 KZ400 Clutch adjustment screw and lock nut 15 Nov 2014 06:45 #653745

  • TexasKZ
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Loosen the adjuster at the lever
Loosen the lock nut on the mid adjuster and shorten the casing a bit
Loosen the clutch adjuster nut
Gently loosen the adjusting screw by turning it in (clockwise), then back it out until it touches an then another 1/4 turn
Tighten lockout without turning the adjuster
Adjust mid adjuster until slack is nearly gone
Fine adjust at the lever

www.kz400.com/Technicaltips.htm
1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough

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Last edit: by TexasKZ.

79 KZ400 Clutch adjustment screw and lock nut 15 Nov 2014 07:57 #653750

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I turned clockwise until it couldn't turn anymore, then 1/4th turn counterclockwise, and felt the cable come under tension. Locked the nut without turning the screw. I have maxed out the mid adjuster and lever and I still have a ton of slack with no tension upon lever pull. I didn't have this problem yesterday, and can't imagine the cable was somehow routed incorrectly. Any thoughts? Thanks for your help!

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79 KZ400 Clutch adjustment screw and lock nut 15 Nov 2014 10:21 #653755

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After a very frustrating several hours, I am nowhere. I followed you instructions, and the ones on kz400, tried different turns of the screw before locking and nothing. My only thought is I put something together improperly? Does this look ok? Any advice or thoughts are welcome...

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79 KZ400 Clutch adjustment screw and lock nut 15 Nov 2014 20:45 #653803

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It looks like it is assembled correctly, tho I'd be tempted to get a couple of cans of brake cleaner and spray away the chain goo.
In the post above, you said you turned the screw all the way clockwise then 1/4 out. That is not correct.
Turn the screw clock wise until it is no longer in contact with the mechanism. Slowly turn it counterclockwise until it touches, then clockwise 1/4 . t seems counterintuitive, but that's how it goes.
1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough

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Last edit: by TexasKZ. Reason: Thank Patton. I think I have it right now.

79 KZ400 Clutch adjustment screw and lock nut 16 Nov 2014 00:58 #653807

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From the FSM --




Good Fortune! :)
1973 Z1
KZ900 LTD
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79 KZ400 Clutch adjustment screw and lock nut 16 Nov 2014 05:29 #653810

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After doing the same thing many times and achieving the same result I have come to the conclusion something else must be wrong. When I pull the lever, I get good tension, then nothing. I think the apparatus is freezing up, hence the lax cable. I'm going to take it apart and grease it really good today. I'll let you know the results. Thanks again!

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79 KZ400 Clutch adjustment screw and lock nut 16 Nov 2014 15:06 #653866

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Update for anyone who is searching, I finally got the bike to work. The problem was the piece on the other side of the screw (and cover) was cross-threaded and would not screw flush with the notch on the inside of the cover. After fixing it and re-greasing everything it runs through the gears. Thanks for the help!

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79 KZ400 Clutch adjustment screw and lock nut 16 Nov 2014 20:07 #653896

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Glad you found the problem.
1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough

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