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Clutch spring tension setting

Clutch, Transmission, Drive Chain, Sprockets
Blakey
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Joined: Thu Aug 14, 2003 8:13 am
Location: West Oz

Clutch spring tension

Post by Blakey » Sat Oct 21, 2006 7:56 pm

Thanks LM

My comment was not aimed your way and in retrospect perhaps unwise :-(
However now I have it from another with experience I can apply it, I was leaning that way but wondering about the 'heavy' operation.


Cheers .............. Blakey

LOUD MOUSE
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Joined: Mon Aug 15, 2005 8:23 am
Location: KERRVILLE, TEXAS

Re: Clutch spring tension

Post by LOUD MOUSE » Sun Oct 22, 2006 7:32 am

I only suspected you didn't ubderstand my first reply.
At times the cable can cause a Hard Pull clutch.
Some folks have the Long "High Bar" cable on their Flat Bar bike and when they route the cable to Make it Fit the clutch is Hard to Pull. .............lm

My comment was not aimed your way and in retrospect perhaps unwise :-(
However now I have it from another with experience I can apply it, I was leaning that way but wondering about the 'heavy' operation.


Cheers .............. Blakey[/quote]

piecutter
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Location: Maryland

Post by piecutter » Sun Oct 22, 2006 1:43 pm

The tech manuals actually do not state a torque specification, if thats what your looking for. The original Honda manual says nothing more than to put the bolts in and tighten in a diagonal pattern. Clymers manual does not even go that far. You just tighten the bolts all the way down and don't go beyond the torque limits of a bolt of this size, remembering that it is threaded into an aluminum casting. Nothing special about it, just don't go crazy with the force or you'll crack off the spring boss.
Typical stock spring specs are:
Free length-33.4mm
Load tension-15.3 to 15.7kg

Blakey
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Posts: 19
Joined: Thu Aug 14, 2003 8:13 am
Location: West Oz

Clutch spring tension

Post by Blakey » Sun Oct 22, 2006 8:20 pm

piecutter wrote:The tech manuals actually do not state a torque specification, if thats what your looking for. The original Honda manual says nothing more than to put the bolts in and tighten in a diagonal pattern. Clymers manual does not even go that far. You just tighten the bolts all the way down and don't go beyond the torque limits of a bolt of this size, remembering that it is threaded into an aluminum casting. Nothing special about it, just don't go crazy with the force or you'll crack off the spring boss.
Typical stock spring specs are:
Free length-33.4mm
Load tension-15.3 to 15.7kg

Thanks,

I have the original workshop manual but cant seem to find that. I always have trouble cracking up at reading some of the classic "Jinglish" and forget what I was looking for :-)
I'll take another look.

Cheers ................. Blakey

Spargett
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Joined: Wed Jun 18, 2008 10:19 pm
Location: Los Angeles, CA

Re: Clutch spring tension

Post by Spargett » Tue Dec 02, 2008 5:08 am

Ahhhh, that makes perfect sense. I'm experiencing the long clutch cable on a low bar myself. Glad to hear that its to be expected and an easy fix. I just assumed it was the combination of most likely being an old cable with an unexercised left hand (make jokes here).
LOUD MOUSE wrote:I only suspected you didn't ubderstand my first reply.
At times the cable can cause a Hard Pull clutch.
Some folks have the Long "High Bar" cable on their Flat Bar bike and when they route the cable to Make it Fit the clutch is Hard to Pull. .............lm

My comment was not aimed your way and in retrospect perhaps unwise :-(
However now I have it from another with experience I can apply it, I was leaning that way but wondering about the 'heavy' operation.


Cheers .............. Blakey

e3steve
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Location: Mallorca, Spain & Warsash, UK

Post by e3steve » Tue Dec 02, 2008 4:09 pm

I'm glad Blakey asked the question as it's probably one that I'd have been asking in a couple of months. And thanks for the springs' spec info, PC. I've read that CB750 springs offer a non-slip / light-levered solution; perhaps Ed can confirm or deny?

LOUD MOUSE
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Posts: 7817
Joined: Mon Aug 15, 2005 8:23 am
Location: KERRVILLE, TEXAS

Post by LOUD MOUSE » Tue Dec 02, 2008 7:25 pm

I don't have or need any knowledge of those springs as I get and use the springs that were issued by HONDA and have white paint on one end and not knowing the actual part number I have them here to compare to any others. ..........lm
e3steve wrote:I'm glad Blakey asked the question as it's probably one that I'd have been asking in a couple of months. And thanks for the springs' spec info, PC. I've read that CB750 springs offer a non-slip / light-levered solution; perhaps Ed can confirm or deny?
RIDE IT DON'T HIDE IT!

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