1985 Ski-Doo snowmobile Service Manual, Page 300Get this manual
Section 03 TRANSMISSION Sub-section 06 (BRAKE)
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Lock washer M8 Cap screw M8 7.25 76 Brake support Cap screw M5 x80 72 Tab lock Cap screw M8 7.25 50 Parking brake cable and housing Inner caliper half Retainer ring Service brake cable and housing Brake lining wear warner Inner shoe (fixed) Outer shoe Islidingl
74 Outer caltper half 75 Caliper support spring 76 Snap ring 77 Spring 78 Tab lock 79 Elastic stop nut M8 7.25 20 Release spring 27Ratchet wheel 22Brake lever 23Elastic stop nut 70-24 24Pin 25Pawl
RATCHET WHEEL
CAUTION: Similar ratchet wheels on caliper type disc brakes may have metric or standard threadsIdentify with the following illustration
Speedometer cable
Disconnect front angle drivePull brake assembly out of vehicle