2005 Ski-Doo Tundra, Skandic, Expedition Shop Manual, Page 313Get this manual

Section 06 ENGINE MANAGEMENT (4-TEC) Subsection 01 (OVERVIEW)
OVERVIEW
ENGINE MANAGEMENT SYSTEMOVERVIEW ROTAX 4-TEC 1004
Air silencer

Cyl.2 Cyl.1

BUZZER CTS CAPS OPS INJECTOR 1,2 IGNITION COIL 1,2 MAPS

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