1980 Ski-Doo Shop Manual, Page 261Get this manual
SECTION 05 SUB-SECTION 05 (PULLEY ALIGNMENT)
PULLEY ALIGNMENT
Remove pulley guard and drive beltCheck tightness of engine mounts nuts
Citation, Mirage
Offset34 mm (1 11 132")Measure offset (usual method)Nominal distance between pulleys
OFFSET ADJUSTMENT
Nominal distance between pulleys
Square bar length 48 em (19 Inch)
i" square bar Length: 48 em (19 In
Dimension "X" must never exceed dimension "Y"Dimension "Y" can exceed dimension "X" by 1.6 mm (1 16")-
Dimension "X" must never exceed dimension "Y"
Dimension 'Y' can exceed dimension 'X' by 1.6 mm (1 116")Offset34 mm (1 1132")