2005 Ski-Doo REV Series Shop Manual, Page 247Get this manual

Section 06 ENGINE MANAGEMENT (SDI) Subsection 01 (OVERVIEW)
OPERATING PRINCIPLE
For this SDI 2-stroke engine, highly advanced engine management system (EMS) has been used to ensure high power output combined with cleaner combustionAn ECM (Engine Control Module) calculates the proper airfuel mixture and ignition timing for each cylinder separatelyThe fuel is injected into the transfer port of each cylinder
CHARGING SYSTEM
The magneto is the primary source of electrical energyIt transforms magnetic field into electric current (AC)The magneto has phases, delta wound stator on 18 polesCapacity is 480 wattsAC current is rectified and regulated between 13.4 and 15 volts for the vehicle electrical systemIt supplies the ECM with DC currentVehicle 12-volt battery supplies the ECM with DC current
A33I0AA

TYPICAL 1PTO side high tension cable 2MAG side high tension cable

AIR INDUCTION

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