1989 Ski-Doo Repair Manual, Page 216Get this manual

Sub-section 09
Section 02 ENGINE (ENGINE DIMENSION MEASUREMENT)

583 Engine type
Axial play is not adjustable but it should be between 0.100.30 rnm (,004.012 in)
CRANKCASEROTARY VALVE GAP
ENGINE TYPE
Liquid cooled engines

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