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post #1 of 16 (permalink) Old Jun 27th, 2008, 2:35 pm Thread Starter
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Clutch problem

Hello everyone!
This problem happened couple of days ago for the first time.
First I tried to start my bike in the morning after a long trip, in first gear, pulled the clutch, started it and it went forward, the clutch was dragging...
I cut him off, pulled the clutch couple of times and all seemed normal.
Later that day it happened again, clutch started dragging again, changed to neutral, released it, back in gear all well.
Today I started it again, again clutch drag, pumped it up a couple of times started it and now it slips...

Has anybody had this problem before?

My guess is clutch cylinder, but from what I see it looks like a pretty tough job to remove it...

Any opinions?

Best regards, Goran!!!
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post #2 of 16 (permalink) Old Jun 27th, 2008, 3:14 pm
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Goran
Can you see any clutch fluid in the reservoir sight glass??

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post #3 of 16 (permalink) Old Jun 27th, 2008, 4:57 pm Thread Starter
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Yes I can. I also took the cap of to see the condition of the fluid and it seems fine, however I will most likely change the fluid as soon as I have the time.
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post #4 of 16 (permalink) Old Jun 27th, 2008, 5:44 pm
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See if the fluid level is dropping ever so slightly. You'll have to look at the sight glass with the bars in the same position each time, though, preferrably on the center stand.
If the level is dropping, then it's likely the slave cylinder could be leaking. No fluid loss, then I'd suspect the master cylinder is due for a rebuild.



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post #5 of 16 (permalink) Old Jun 27th, 2008, 9:07 pm
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This sounds just like the issue I had last summer, ended up being the clutch slave......

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post #6 of 16 (permalink) Old Jun 28th, 2008, 7:07 am Thread Starter
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HI all!

Thanks for your replies!


I would also put my money on the clutch slave, I doubt that the clutch plate is gone, but what confuses me is that the clutch is slipping now, I am not sure if the cylinder can be stuck in such position...
I changed the oil, looked clean no changes.

Also can the clutch slave be rebuilt or do I need to change complete unit?

Goran
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post #7 of 16 (permalink) Old Jun 28th, 2008, 12:11 pm
 
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Could be your fluid is spraying over the plates, from the master cylinder. That would cause the slip. Doubt you will need to change the plates, but if you have to go there you may as well. Expensive but not as expensive as spliting the engine and box twice unless you are doing it yourself. Obviously check the slave first.
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post #8 of 16 (permalink) Old Jun 29th, 2008, 6:10 am Thread Starter
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Hi!


I doubt that oil from cylinder can spray to the plates as cylinder is too far away from the clutch...
Anyway I just purchased a used clutch set and slave and when it arrives in a week or two will change and try to explain what happened.

In meantime did anybody ever removed their gearbox off, is there something I should take care of?
Are there special tools required?

Goran
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post #9 of 16 (permalink) Old Jun 29th, 2008, 8:59 pm
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I wouldn't doubt that there is oil on the clutch plate. I had to replace mine when the slave failed. It would slip constantly in 6th, and would slip under hard acceleration in 5th gear as well. I think the whole process ended up costing me a little under $2,000 US.

.....Mike
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post #10 of 16 (permalink) Old Jun 30th, 2008, 8:57 am
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Quote:
Originally Posted by gmurtic
Hi!


I doubt that oil from cylinder can spray to the plates as cylinder is too far away from the clutch...
Anyway I just purchased a used clutch set and slave and when it arrives in a week or two will change and try to explain what happened.

In meantime did anybody ever removed their gearbox off, is there something I should take care of?
Are there special tools required?

Goran
Potential common problem if clutch slave seals leak:

The slave cyl. sits in an effectively sealed housing about 180mm at the far end of a hollow drive shaft with a pushrod in the center and the clutch basket at the far end.

If the slave cylinder seals have gone (fluid level dropping) clutch fluid is forced down the hollow drive shaft under pressure and gets on to the clutch basket where it can contaminate the disc.



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