gr550 master cylinder
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- Posts: 495
- Joined: Tue Sep 26, 2017 10:27 pm
gr550 master cylinder
fitted new brake hoses to the 550 , fitted a " re sealed " original k master cylinder and it wouldn t pump any fluid at all ! re - fitted the later type cylinder that the bike came with ( it was working well with a goodridge line ) whilst that does pump fluid i can t get any pressure on the lever .sometimes it spurts out under great pressure ( plenty of air too ) most of the time it is just a trickle ! doing my head in
- malky
- Posts: 1096
- Joined: Sat Dec 19, 2009 3:25 pm
- Location: swansea south wales
Re: gr550 master cylinder
Bleed the master cylinder first by loosening the pipe union and pumping the lever until fluid comes out - put a rag around it to stop the fluid going everywhere- I always use the silicone fluid now as it doesn't harm the paint etc.- the system will bleed easily then .One other point - make sure that the tiny bleed hole in the bottom of the cylinder is clear .
Mal.
Mal.