2005 Ski-Doo Tundra, Skandic, Expedition Shop Manual, Page 155Get this manual

Section 03 ENGINES (2-STROKE) Subsection 06 (OIL INJECTION SYSTEM)
OIL INJECTION PUMP
277 Engine

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