2001 Ski-Doo Factory Shop Manual Volume One, Page 146Get this manual

Subsection 06
Section 04 ENGINE (OIL INJECTION SYSTEM)

OIL INJECTION SYSTEM
OIL INJECTION PUMP
377, 443 and 503 Engines on S-Series and Skandic LTWTSWT

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