1981 Ski-Doo Shop Manual Supplement, Page 18Get this manual
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SECTION 02
NOMINAL DISTANCE (between pulleys) 44 mm (1 34")
34 mm (1 1132")
33 mm (1 516") 33 mm (1 516") 33 mm (1 516") 33 mm (1 516") 33 mm (1 516") 34 mm (1 1