1983 Ski-Doo Shop Manual, Page 169Get this manual
SECTION 03 TRANSMISSION SUB-SECTION 06 (BRAKE)
REMOVAL
Remove the following: air silencer, brake retainer nut, then pull out brake assembly, brake light switch, pulley, brake cable (disconnect and remove)Assembly and installation, reverse the procedure
INSPECTION
Measure the thickness of the brake pads If less than mm (18") the pad and lever assembly should be replaced
ADJUSTMENT
Brake should apply fully while the brake control lever is approximately 13 mm (12") from the handlebar grip If adjustment is required, turn the brake cable adjuster counterclockwise until the brake disc can no longer turn then back off the adjuster approximately 112 turnsRecheck brake operation