1980 Ski-Doo Shop Manual, Page 260Get this manual

SECTION 05 SUB-SECTION 04, (DRIVEN PULLEY)
BEARING INSTALLATION:
The bearing is of press fit design and must be installed with pressas per the following specifications

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