1978 Ski-Doo Shop Manual, Page 27Get this manual
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SECTION 02 SUB-SECTION 01 (PULLEY GUARD)
tDrive pulley guard 2 Open barrel 3 Wire 4 Spring (pin) 5 Pin 6 Spirol pin 7 Cap 8 Hair pin cotter 9 Clip nut 10 Bolt 11 Spring 12 Retainer washer