1999 Ski-Doo Factory Shop Manual Volume Two, Page 150Get this manual

Subsection 07
Section 04 ENGINE (AXIAL FAN COOLING SYSTEM)

AXIAL FAN COOLING SYSTEM
443 and 503 Engines
13 Nm (115 lbfin) 3

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