2002 Ski-Doo Shop Manual Volume Two, Page 82Get this manual
Section 03 TROUBLESHOOTING Subsection 04 (TRANSMISSION AND BRAKE SYSTEMS)
BRAKE SYSTEM HYDRAULIC BRAKE
SYMPTOM CONDITION TestInspection SPONGY BRAKE CONDITIONNORMAL USEReplace brake fluid and bleed systemIf problem still occurs, replace master cylinderBRAKE FLUID LEAKINGNORMAL USE1Check for loosen hose connectorsReplace copper washers and retighten2Check for damaged hose, master cylinder and caliperReplace part(s) and check for proper mountingSYMPTOM CONDITION TestInspection BRAKE SYSTEM IS NOISYNORMAL USE1Check brake pad thicknessaPads are worn outReplace2Check keykeywayaKeykeyway is worn outReplace parts