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I started to notice this a bit yesterday and now my clutch is seeming to be tight when pulling in and binding a bit when I release (reduced pressure against the lever that is, not really the engagement of the clutch itself).

It seems like this is often a clutch slave issue, but I had an Evoluzione installed less than a year ago. Has anyone seen a failure in one of their units?

The other possible culprit might be the rod that pushes out the clutch plate. I replaced the plate and the rod came out when I tried to get the bearing out of the plate. I kept it clean and there was grease still on it when I replaced it, but could I have messed something up in doing that?

Hoping you mechanical whizzes out there can help...
 
S

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you may just have some air in the line. or there may be some air trapped in the master cylinder. check the fittings around the master and slave cylinders and make sure there's no fluid leaking. if not, then air may've somehow been introduced through the reservoir? give it a good bleed/flush with fresh fluid and see if the problem persists.
 

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Possibly your basket is getting notchy from the plates?

That seems like it would give you those symptoms.
 
R

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Hey Michael, did ya put the push rod back in through the clutch side or did you remove the slave and push it through that way?
 
R

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ok well I just put a 48 tooth in and my mech advised me to put
the rod back in through the slave side so as not to damage the o rings when pushing it back through the bore.......I think you could pull the slave and pull the rod out enough to check the rings and see if they look fine....I am of course not sure that is your problem but if it is binding I think that could be one of the causes....I can also consult with da guy for more info tomorrow if ya like......
 

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Verrrrrryyyy interesting.... Hadn't given those O-rings much thought...
 

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Discussion Starter #9
Re: Clutch binding (follow up report)

Well, I opened up the slave, checked the o-rings and the clutch and noticed the plates seemed further out than usual, but couldn't see why. Took it into the shop and they pulled all the plates out and it turns out the nut holding the clutch basket was loose! When they took the clutch cover off you could see that the last plate with the fins wasn't even in the notches. Anyway they re-torqued the nut (some ridiculous amount like 170 NM, requiring 3 of them) and it is all good now. The bad part is that I missed the group ride today; the good is that I didn't get stuck or worse on some freeway.

Anyway, this is for posterity in case someone else has a similar problem, and thanks guys for all the suggestions.
 
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