1978 Ski-Doo Shop Manual, Page 60Get this manual

SECTION 02 SUB-SECTION 04 (DRIVEN PULLEY)
Install gearbox cover and secure with eight nutsTorque nuts to 27 Nsrn (20 It-lbs) in the following sequence:

• ATV
• Jet Ski
• Outboard Motors
• Personal Watercraft
• Snowmobiles
• Stern Drives