1986 Ski-Doo Factory Shop Manual, Page 308Get this manual
Section 03 TRANSMISSION Sub-section 05 (PULLEY DISTANCEALIGNMENT)
NOTE: If proper adjustment is unattainable, torque rod may be the source of troubleLoosen torque
Formula PLUS
rod nut and try agai.n,
Y must exceed from 0.75 mm
1 to 1.5 mm
Pulley alignment method
Loosen the four bolls retalning engine bracket to the framePosition engine to obtain the specified alignmentloosen
NOTE: After adjustment, just tighten torque rod nut so it sits against washer, Do not over tighten, it will disalign pulleys