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WSB Hero
Bikes: 1993 - 944SS & Aprilia Falco
Posts: 7,795
Join Date: Oct 2002
Location: north east
I've had a similar prob with the 6 pot brakes on my TD bike I've still not resolved. I even went so far as to set the whole system individually - plugged the end of the master cylinder: solid at the lever straight away.
Master tied into each brake one side at a time - still solid.
Both line tied into master cylinder, first 5mm of piston travel is soft but then gets better, without managing to ever feel 'solid' and confindence inspiring.I think a banjo bolt (with a built in bleed nipple) on the master cylinder will help.
I've seen the fizzing before when using my Mittyvac and wondered if I was pulling too much vacuum and actually drawing air in past the caliper seals?
Good luck - Frank
02-Sep-2005, 01:43 
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