SOHC.co.uk Forums > CB500/550

Master Cylinder

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florence:
This morning, I found brake fluid dripping off the end of my brake lever.  Does anyone know if the master cylinder can be repaired and are the seals available or am I better off getting a replacement unit?

McCabe-Thiele (Ted):
Personally I have replaced the master cylinders on my 400 & 500 with the DS one. I found they have much less free play in them than than my originals. Not for the purists in terms of originality.

Fitting new seals is an option if the cylinder bores are in good condition. I would strip the cylinder down first to avoid wasting money on a kit that might not fix the weep. Obviously you need to be sure it's the original cylinder as well.

florence:
That's really good advice, thank you.  It is the original master cylinder but I'm not fussy about that type of thing.  I guess if I buy a new one I can repair the other at my leisure.  Sounds like the DS ones are good then.

Johnwebley:

--- Quote from: florence on July 29, 2024, 10:56:14 AM ---That's really good advice, thank you.  It is the original master cylinder but I'm not fussy about that type of thing.  I guess if I buy a new one I can repair the other at my leisure.  Sounds like the DS ones are good then.

--- End quote ---
I have a DSS master cylinder


Over 10yrs old,

Works well, nice patina

Sent from my SM-A546E using Tapatalk

Spitfire:
Yes, I also switched to a DS master cylinder after my overhauled Honda original leaked, and it's a lot better.

Cheers

Dennis

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