Clutch slave cylinder - K-Bikes.com - Excellence in Motion
 
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post #1 of 5 (permalink) Old Jan 17th, 2020, 6:29 am Thread Starter
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Join Date: Oct 2019
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Clutch slave cylinder

Good morning,

First, I like to thank you all for your posts about the problem with the clutch and how you can fix it.
Yesterday I changed my clutch basket and the clutch blades. everything went good i think. It took me a while to get the basket in but that's ok.
I cleaned the cover for the clutch, to get everything clean for the new gasket.
Then I did a mistake and cleaned also the clutch slave cylinder. I went over the ball in the middle with a wrack, to get old oil off of it.
Then it happened. This ball in the middle turned around. Now I can't get it back to the flat side of the ball. What can I do now? Do I have to buy a new slave cylinder?

I hope somebody understands what I mean and can help me.

I attached a picture from a Clutch slave cylinder to show which ball I mean.

Thank You

Mathis
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post #2 of 5 (permalink) Old Jan 17th, 2020, 2:35 pm
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Join Date: Sep 2008
Location: Honolulu, HI, USA
Posts: 123
Mathis, does that picture show the "ball" in the correct orientation, or after you turned it around? Looks like it's correct, can someone confirm?

The negligible wear on the "ball" would be expected from contact with the clutch (don't recall the name of the next part).
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post #3 of 5 (permalink) Old Jan 17th, 2020, 5:56 pm Thread Starter
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Hey , thank you for responding. This picture I posted, I found in the Internet to show what part I mean. In the picture is the ball in the right position. I touched on my bike this ball and this ball turned around and is now very tied. I can't move it anymore. I read a post from a guy in a forum where he said : when this ball is in side out ( flat part inside of the slave cylinder and round side outside in the clutch) it would course a clutch damage after 2000 miles.

This ball is puching the thrust adapter, who is sitting inside if the transmission shaft.

I forgot to make some pictures. I go back tomorrow in the shop and make some pictures.

I opened the slave cylinder to look inside and couldnt figure out how I can turn this ball back in his old position.

English is my second language that's why I don't know all the names of the parts.

Thanks

Mathis
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post #4 of 5 (permalink) Old Jan 18th, 2020, 4:09 pm
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Join Date: Sep 2008
Location: Honolulu, HI, USA
Posts: 123
ESL no problem, you write well enough that we understand.

Something to try: loosen the clutch slave bleeder screw. If there were pressure in the slave the ball might not want to move. That would not explain why moved earlier.

Second thing to try: connect the hydraulic hose from the clutch master and give the clutch lever a gentle squeeze, they try move the ball. Or, disconnect from the hydraulic hose and try. Or, loosen the bleed screw and try.

One of these has got to work...
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post #5 of 5 (permalink) Old Jan 22nd, 2020, 2:18 pm Thread Starter
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Join Date: Oct 2019
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I tried everything that you wrote. I couldn't figure out how to do it.
I took the part off of the motorcycle and went to a BMW mechanic. He took it and came two minutes later back and the ball was in the right direction.
I asked how he did it. He took the slave cylinder apart and had to flip this cylinder direction floor, so the ball would get a little bit loose. then he said he played around with the ball and then it turned around. sounds easy but I still don't know how this worked. when I tried it the ball was very tied.

So I am very happy he could help me. I installed the part and the bike is running.

Thanks for your help

Mathis
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