I haven't tested this yet , just fyi. I disassembled the original master ,to do that pop the reservoir off, pull out the rubber seal out from the secondary feed port , looking down into that hole there's what looks like a main jet , get a flat head screwdriver remove it , remove the end cap and everything should come out of the master . Next I cut about .25 inch off the piston end of the sleeve (not sure was necessary ) then without grinding the "sleeve" I carefully reduced the circumference until it slid into the new master .
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