2004 Skidoo ZX Series Service Manual, Page 419Get this manual
Section 08 TRANSMISSION Subsection 05 (BRAKE)
BRAKE FLUID
The brake fluid must be changed in accordance with the maintenance chartUse recommended brake fluid SRF (DOT 4) (PN 293 600 063) or GTLMA (DOT 4) (PN 293 600 062)CAUTION: Use only DOT brake fluid, SRF (PN 293 600 063) or GTLMA (PN 293 600 062)Do not use fluids other than the recommended one, nor mix different fluids for topping up
CALIPER
Removal
Remove the air silencer (on liquid cooled models)Unscrew caliper no6 from chaincasePlace container under caliper and unscrew the Banjo bolt no7Do not remove the Banjo bolt completely during drainingWhen the system is empty, remove the Banjo boltDiscard the sealing washers no8
MASTER CYLINDER
Removal
The master cylinder no1 is located on the LH side of handlebarTo remove it, unscrew both screws no2 retaining the brake lever to the handlebarPlace container under Banjo bolt no3 then unscrew itDiscard the sealing rings no4
Inspection
Remove brake pads no9, refer further in this sectionCheck pistons for scratchesrust or other damagesIf so, replace the caliper as an assemblyNOTE: Only brake pads are available as spare parts