[Spridgets] Master cylinder

[mdrowe]

My BE master cylinder is backflowing into the reservoir when the pedal 
is released; I can see it.  The pistons are Gerard's; the rubber bits 
are new.  I am not sure what else is new, as it was rebuilt when not 
needed by the same mechanic who advanced the cam 18 degrees.

Long ago, there was a problem with the mushroom-shaped plastic bit on 
the outer end of the spring.  That was replaced by Gerard.  Also, Gerard 
and others have suggested that the rear brake springs can suck up fluid 
if the pads are loose; with the emergency brake set, that should not 
happen.

It seems to me that there can be only two causes:  1) The check valve 
has failed.  2) The push rod is the wrong length exposing the hole into 
the reservoir when it should not.

Any advice?

Michael Rowe
The Holy Sprite
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