1999 Ski-Doo Factory Shop Manual Volume Two, Page 139Get this manual
Section 04 ENGINE Subsection 05 (CDI SYSTEM)
3If necessary, adjust by loosening retaining screws and moving trigger coil toward or away of protrusion4Retighten screws and recheck air gap
A25E1AA
1Magneto harness through crankcase hole
Install new trigger coil and other parts removed
PRELIMINARY ADJUSTMENT
NOTE: The final trigger coil adjustment will be done when checking ignition timingWhenever 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 checkedRefer to IGNITION TIMING 06-02 then look for Checking Ignition Timing3