1999 Ski-Doo Factory Shop Manual Volume Two, Page 144Get this manual

Subsection 06
Section 04 ENGINE (OIL INJECTION SYSTEM)

OIL INJECTION SYSTEM
OIL INJECTION PUMP
494, 583 and 670 Engines

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