Slave Clutch

Information and questions on GL1200 Goldwings (1984-1987)
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Posts: 112
Joined: Fri Oct 21, 2011 8:55 pm
Location: Deltona, FL
Motorcycle: 1985 GL1200A Apsencade
1998 GL1500 SE

Slave Clutch

Postby Poohman » Thu Mar 20, 2014 5:46 pm

Hey everyone I have done a basic rebuild of the slave clutch, which was the rubber rings and seals on the cylinder. I rode it once and got on it the next day and all the fluid is gone again. Which I was told is going into the engine????? I am not sure if the cylinder piston is wore out or is there something else that I am missing? Going to take it apart again and see if there is something wrong with the seals and rubber ring. Any Ideas out there? Thanks and I really appreciate all the help I can get!

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Posts: 383
Joined: Thu Sep 10, 2009 11:10 am
Location: Napa, CA
Motorcycle: 1996 GL1500SE 86k
1986 GL1200A (SOLD) 81K
1985 GL1200A (SOLD) 85K
1986 BMW K75c 24K

Re: Slave Clutch

Postby Mooseman » Fri Mar 21, 2014 12:26 pm

Here is some info from the service manual. Hope this helps.

Remove the spring from the slave cylinder. Remove the oil and piston seals.
Clean the piston groove with clutch fluid.
Check the piston spring for weakness or damage.
Check the piston for scoring or scratches.
Measure the outside diameter of the piston with a
micrometer. SERViCE LIMIT: 33.52 mm (1.320 in)
Check the slave cylinder for scoring or scratches.
Measure the inside diameter of the cylinder bore.
SERVICE LIMIT: 33.68 mm (1.326 in)
All the piston seals must be replaced
with new ones whenever they have been
Apply brake fluid to the piston and piston
Be certain the piston seal is seated in the
piston groove. Place the piston in the
cylinder with the oil seal end facing out.
Enjoy the ride. They are all good, just some better than others.

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