86 clutch slave master cylinder YUCK, WHAT A MESS!!


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roadwanderer2
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86 clutch slave master cylinder YUCK, WHAT A MESS!!

Postby roadwanderer2 » Sat Sep 10, 2016 2:16 pm



ok, so as i went to open the clutch master cylinder to drain it so i could run fresh fluid thru it down to the clutch slave before i put it back together, when i took the clutch m.c. cover off and looked inside i was shocked to find this............... pics below. im not sure what it is, but from what it looks like i am amazed the clutch was even working. it was about a half inch deep inside the master cylinder full of this "stuff". i can see i have a lot to clean out of the clutch master as well as the line going down to the clutch slave cylinder before i reconnect it. im not sure if its deterioration from inside of the line or something else but it has to be cleaned out. both the cap and rubber grommet look to be ok.

anybody have any ideas as to what this crud is?

stuart.
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Rednaxs60
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Re: 86 clutch slave master cylinder YUCK, WHAT A MESS!!

Postby Rednaxs60 » Sat Sep 10, 2016 7:57 pm

Had a look at the pictures I took of mine when I rebuilt the clutch slave and master. Had crud in them as well. Think it is from years of not being changed.

Here are the pics I took. First of the master:

This is the slave:


You also have to remember that the clutch line(s) are primarily rubber and can break down as well. If you are of the mind to change out the clutch line(s) for SS teflon line(s), recommend doing it now and in two pieces (get rid of the steel line in between). Recommend two pieces because it joins just forward of the air box. Not a lot of room to work either.

Cheers
"When you write the story of your life, don't let anyone else hold the pen"

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roadwanderer2
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Re: 86 clutch slave master cylinder YUCK, WHAT A MESS!!

Postby roadwanderer2 » Sat Sep 10, 2016 8:04 pm

well, i understand that the lines should be replaced, but s/s lines are VERY expensive. they are gonna have to wait for another time. right now i have cleaned out the master cylinder and put fresh fluid in it and im letting it gravity bleed over night. once i put everything back together i'll give it a good flushing out. thats gonna have to do until i can save up enough money to replace them.

stuart.

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twocams
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Re: 86 clutch slave master cylinder YUCK, WHAT A MESS!!

Postby twocams » Sat Sep 10, 2016 8:16 pm

Some of it is condensation mixed with old fluid and some inner hose. Good flush ,last for a few more yrs or until it leaks. :?


twocams

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roadwanderer2
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Re: 86 clutch slave master cylinder YUCK, WHAT A MESS!!

Postby roadwanderer2 » Sun Sep 11, 2016 6:13 am

twocams wrote:Some of it is condensation mixed with old fluid and some inner hose. Good flush ,last for a few more yrs or until it leaks. :?

twocams


yes twocams, my thoughts about the inner hoses are on the same lines. its possible they are starting to deteriorate from the inside. once i have the motor back on the bike and start buttoning everything up i'll be able to give it a good flushing out.

stuart.




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