brake help. not holding pressure

[TDS]

first off its a trx200 front brakes are hydro. i know we have the quad section, but im hoping more eyes will see this and help.

but i have taken apart every little part of the brake system cleaned and blew out all ports and passages. master cylinder, pistons, lines
there is no leaks.
now my problem is i have replace the fluid over and over bled the lines. but still getting a soft master cylinder. when i pull the brake handle i get some pressure at first but it doesnt hold pressure. (very little and not enough to stop a moving quad)

:crazy:

any help is appreciated.

[big danno]

Adjust the brakes at the wheels and see if that helps.Bring the brake shoes tight to the drum then back them off till the wheel just turns free but with slight bit of drag.My 84 trx200 seems to need this quite often and more often when used in mud.
Hope that helps.