2001 Ski-Doo Factory Shop Manual Volume One, Page 234Get this manual
Section 06 ELECTRICAL Subsection 02 (IGNITION TIMING)
2To correctly locate and mark timing mark on new service magneto flywheel3To verify the correct location of the factory timing mark4To detect wrong magneto flywheelTo verify the position of the timing mark on the magneto flywheel, proceed as follows: 1Clean the area around the spark plugs, and remove them2Remove the rewind starter from the engine3Install the TDC gauge in the spark plug hole, (magnetogenerator side) and adjust as follows: aPosition the magneto flywheel at approximately TDC1
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