2002 Ski-Doo Shop Manual Volume One, Page 167Get this manual

Section 04 ENGINE Subsection 08 (AXIAL FAN COOLING SYSTEM)
AXIAL FAN COOLING SYSTEM
443 and 503 Engines NOTE: For 277 engine radial fan cooling system, refer to CDI SYSTEM

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