1983 Ski-Doo Shop Manual, Page 165Get this manual
SECTION 03 TRANSMISSION SUB-SECTION 05 (PULLEY ALIGNMENT)
PULLEY ALIGNMENT
The offset adjustment is factor that will affect the efficiency of the transmission systemProper offset adjustment will allow the drive belt to operate at its highest speed and will reduce wear to minimumNOTE: Before pulley alignment, always check drive belt tensionRefer to section 03, sub-section 02 "Drive Belt"NOTE: tolerance up to 1.5 mm (116") is allowed on the offset measurement to compensate for the twist due to the drive pulley torqueRefer to the illustration
I32.5 mm 11
1.5 mm (116") Maximum tolerance
OFFSET MEASUREMENT
All models, except Blizzard and Everest models must have 34 mm (1 1132") offset
I- 32.5 mm 11932" )
NOTE: As illustrated below, tolerance up to 1.5 mm (116") is allowed to compensate for the twist due to the drive pulley torqueRefer to the illustration
Push against bearing flange before measuring
Square bar Length 48 cm 119 inch)
34 mm (11132")