1999 Ski-Doo Factory Shop Manual Volume One, Page 105Get this manual

Subsection 03
Section 04 ENGINE (377, 443 AND 503 ENGINE TYPES)

377, 443 AND 503 ENGINE TYPES
ENGINE REMOVAL AND INSTALLATION

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