2002 Ski-Doo Shop Manual Volume Three, Page 108Get this manual

Subsection 02
Section 04 ENGINE (377 AND 503 ENGINE TYPES)

377 AND 503 ENGINE TYPES
ENGINE REMOVAL AND INSTALLATION
377 and 503 Engine Types

17 Nm (150 lbfin) 28 Nm (21 lbfft) Loctite 271 37 Nm (27 lbfft)

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