2003 Ski-Doo ZX Series Factory Shop Manual, Page 244Get this manual
Section 05 TRANSMISSION Subsection 06 (BRAKE)
Models with Hydraulic Brake There is no adjustment on these modelsCheck that switch is securely installed
BLEEDING
Change brake fluid once yearBleed brake system as follows: Keep sufficient SRF (DOT 4) (PN 293 600 063) or GTLMA (DOT 4) (PN 293 600 062) brake fluid in reservoir at all timesCAUTION: Use only SRF (DOT 4) (PN 293 600 063) or GTLMA (DOT 4) (PN 293 600 062) brake fluidInstall clear hose on left side bleederRoute this hose to containerOpen bleederPump brake lever until no air escapes from hoseClose bleederProceed the same way with the right side bleederA06D0JA