1972 Ski-Doo Shop Manual, Page 77Get this manual

CHAIN CASE

concave side is against chain case hubInstall two (2) bearing cups with the wider tapered ends facing retainer ring (fig1-12-16)Spacer

Bushing

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