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Front brake master cylinder diaphragm

Posted: Tue Apr 25, 2017 1:50 pm
by FrankVT500
Hi,
My R1150R master cylinder is leaking slightly from the reservoir cap. I'd like to replace the diaphragm (seal, gasket) by a new one in case there's an hairline crack in it... the problem is, I can't seem to find that part "new" available anywhere. Would anyone know where to buy one?
Thanks