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Board index » Our legendary Kawasaki Triples » Restoring your old gal, all shiny like when she was new

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Chris46
PostPosted: Wed Mar 08, 2017 5:39 am 

Joined: Wed Mar 01, 2017 5:45 am
Posts: 50
Location: Watton Norfolk, UK
Hi all

I have a 71 H1A, I've fitted one of those metal machined clutch release mechanisms. With new springs and the clutch lever is heavy. Are they supposed to be heavy? The cable is new and the angle on the clutch release mechanism is is the correct place, it just feels uber heavy. The plates aren't sticking together.

I have no idea how it should feel as I never had an original release mechanism or springs to relate to.

Help or I'll have a forearm like popeye.
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Ja-Moo
PostPosted: Wed Mar 08, 2017 9:53 am 
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Joined: Tue Jun 07, 2011 6:37 am
Posts: 10460
Location: Rio Rancho, New Mexico
What springs? And cable routing is very important. Did you grease the lever pivot and ball end of the cable?

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Twist the throttle, tilt the horizon, and have a great time. What triples are all about...........
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tankie
PostPosted: Wed Mar 08, 2017 11:20 am 

Joined: Thu Jun 09, 2011 1:12 am
Posts: 238
Location: Queenborough U.K
You've probably got some heavy duty springs fitted, go back to standard .
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mraxl
PostPosted: Wed Mar 08, 2017 12:04 pm 
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Joined: Tue Jun 07, 2011 6:36 am
Posts: 2714
Location: Dandridge, TN, USA
Not all "new" releases are equal....
The amount of travel per degree of rotation varies between releases as does leverage:
4 spline - .450" per 90 deg
6 spline - .430" per 90 deg
Ball Bearing - .380" per 90 deg
Aftermarket Releases:
Tony Nicosia - .410" per 90 deg
Ralf Gille- .240" per 90 deg

This video shows surprising results of Nicosia lever force:
https://www.youtube.com/watch?v=za0CVA0bu2k

The above replies are also factors.

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Walms
PostPosted: Wed Mar 08, 2017 1:13 pm 
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Joined: Wed Jun 08, 2011 10:04 pm
Posts: 2223
Location: Just north of Toronto, Ontario
We did a similar test back a few years comparing the ball bearing release to Ned's hydraulic actuator.
The ball bearing had 15 lbs. and the hydraulic 12.

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BarryB
PostPosted: Wed Mar 08, 2017 8:05 pm 
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Joined: Wed Jun 08, 2011 10:23 pm
Posts: 3850
Location: Colorado Springs, CO. USA
40 years ago, 18 year old kid, knew nothing, probably bad routing, worn perch, old cable etc... clutch pull made my left arm look like popeye. Over the years, new ball bearing clutch, new cables and proper routings alleviated most of the arm pump.

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This is true. Where I grew up the hills were so steep and long, when your ball rolled down the hill you just said "screw it"...
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husson73
PostPosted: Thu Mar 09, 2017 4:08 am 
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Joined: Thu Jun 09, 2011 3:06 am
Posts: 4364
Location: PARIS FRANCE
old cable can be an issue and explanation for heavy clutch.
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45bpcr
PostPosted: Mon Mar 13, 2017 2:58 pm 

Joined: Thu Oct 20, 2016 4:35 am
Posts: 33
Location: Londonderry NH
Hello Chris,

I just saw this thread and figured I'd help out.

5 oz. is what I came up with.
No need to thank me, just trying to be helpful! :lol: :lol:

Craig

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900SL
PostPosted: Mon Mar 13, 2017 5:32 pm 

Joined: Thu Mar 31, 2016 4:31 am
Posts: 164
Location: North of Copenhagen, Denmark, Europe
:mrgreen:

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Keep the revs up !

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Chris46
PostPosted: Sun Mar 19, 2017 8:43 am 

Joined: Wed Mar 01, 2017 5:45 am
Posts: 50
Location: Watton Norfolk, UK
Thank-you doctor I concur I to have 5 oz.
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