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Old 05-06-2008, 10:44 PM   #1
Partagas OP
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Leaking front brake master cylinder.

I have a '95' GS and while leaving for work this morning I noticed some fluid in the right hand guard. Looking a little deeper it appears that I have a small seep/leak at the rubber boot where the brake lever actuates the master cylinder piston. I am pretty new to hydraulic brakes on a bike and am not familiar with how things work. On the face of it, it would seem that all I need to do is replace that rubber boot and my troubles will go away? So my questions are:

1. Is there more to it than that?

2. Are there other seals I should look at replacing while in there?

3. Does this require dismantling the entire master cylinder from the handlebar or can it be done while in place?


TIA
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Old 05-07-2008, 12:03 AM   #2
Bill the Bong
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Yip, very slightly more. Mine had some lipped seals that was leaking. THe boot just keeps the grime out. Thinks it was the equivalent of $2 in South African money at a Seal & Bearing place. Then you bleed it a bit.

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Old 05-07-2008, 03:28 AM   #3
AntonLargiader
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It's all on my website.
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Old 05-07-2008, 09:44 AM   #4
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Right on!

Anton, the web site is perfect! Your pictures are wayyyyyy better than those in my Clymer manual. That's why I love this site!

Thanks
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Old 07-05-2014, 07:26 AM   #5
N-m
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Bringing this back from the past for the new guys. I have this work coming up. Thanks to Anton for the pictorial.http://www.largiader.com/tech/r11mc/

N-m screwed with this post 07-05-2014 at 07:37 AM
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Old 07-07-2014, 03:42 AM   #6
mouthfulloflake
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i was in the same boat last year

rebuilt with a kit from Beemer boneyard was around $35 I'd I remeber
No spring included but all other needed parts

I was unable to find the lip seals by them selves but wish I could

also it will require hear to remove the pivot bolt
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