1983 Ski-Doo Shop Manual, Page 141Get this manual

SECTION 03 TRANSMISSION SUB-SECTION 02 (DRIVE BELT)
10BeltFlip-Overat high speedCAUSE REM ED Y

a) Pulley misalignmentb) Using unspecified type of belt

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