1997 Ski-Doo Factory Shop Manual Volume One, Page 210Get this manual
Section 05 ELECTRICAL Sub-Section 07 (TESTING PROCEDURE)
TESTING PROCEDURE
GENERAL
Two types of ignition systems are found on ROTAX engines covered by this manualboth are Capacitor Discharge Ignition (CDI) systemsThe following chart gives the engine types with their implemented systemENGINE TYPE 277 377, 443 and 503 IGNITION SYSTEM NIPPONDENSO (CDI) SINGLE COIL DUCATI (ADC)
CHARGING SYSTEM OUTPUT