1997 Ski-Doo Factory Shop Manual Volume One, Page 93Get this manual
Section 03 ENGINE Sub-Section 05 (CDI SYSTEM)
' done without removing the engine from chassisCLEANING
Clean all metal components in non-ferrous metal cleanerCAUTIONClean armature and magneto using only clean cloth
NOTEThe following procedures can be
Tighten puller bolt and at the same time, tap on bolt head using hammer to release magneto flywheel from its taper
To replace generator coil no1Heat the armature plate to 93C (200F) around the screw holes to break the threadlocker bondTo replace trigger coil no4: Disconnect trigger coil wire (RED) Remove grommet from crankcase where trigger coil wire exits magneto housing Remove retaining screws no9 Remove trigger coil and carefully pull wire Install new trigger coil and other parts removedAdjustment Whenever the trigger coil or the magneto flywheel is removed or replaced, the air-gap between the trigger coil and the flywheel protrusion must be checked and adjustedThe purpose of this adjustment is to obtain the minimum clearance between these parts without touching at any RPM so that the trigger coil produces its proper electrical outputIgnition timing must also be checkedProceed as follows1Rotate flywheel so that one protrusion aligns with trigger coil2Using feeler gauge of 0.45 mm (.018 in) to 0.55 mm (.022 in) thick, check air-gap between center pole of trigger coil and flywheel protrusion3If necessary, adjust by slackening retaining screws and moving trigger coil toward or away of protrusion4Retighten screws and recheck air-gap-