Brake master cylinder

clutchspring

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Looks like my brake master cylinder is leaking ( fluid running down lever & on to hand guard ) 1988 GS.
What I'd like to know is it worth fitting a repair kit or is it advisable to go the hole hog & fit a new master cylinder.
The reason I ask is in the past I've gone down the repair route with different vehicles only to find out that after a Very short time the cylinder started leaking again. ( Probably due to wear in side cylinder)

Thanks,
Ian.
 
That is my experience too.
I am lucky my nearest brake shop re sleeves them with a SS sleeve for around half the cost of a replacement, and has no trouble accessing 11 mm sleeves and seals which as a bonus markedly improves things.
He has a proprietary capstan head set up and last time did it while I waited - most brake shops will have similar equipment.
 
What size is fitted to bike I have a good 15mm if your interested
 


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