1979 Ski-Doo Supplementary Shop Manual, Page 30Get this manual
SECTION 02 SUB-SECTION 05 (PULLEY LI GNMENT)
NOMINAL DISTANCE
- nominal distance (between pulleys)
35 mm (1 38" )
Pressure adlu stment
Nominal distancE: between
Deflection adjustment3 8" square bar
To correct, dec rease increase distance between pulleys by moving engine bracket as requiredIMPORTANT: If engin bracket was movedoffset ali gnment shou ld be rechecked