1999 Ski-Doo Factory Shop Manual Volume One, Page 252Get this manual
Section 06 ELECTRICAL Subsection 02 (IGNITION TIMING)
Checking Ignition Timing
Use timing light (PN 529 031 900)
2Start the engine and raise the engine speed at least to 2000 RPM while observing the timing marks, refer to illustrationThe magneto flywheel mark scribed previously and the crankcase arrow should be perfectly alignedIf the marks do not align, faulty trigger coil (check proper grounding of coil) or faulty CDI module could be the cause: substitute one part at time and recheck timing marks (check connectors condition prior to substituting any part)NOTE: Ignition timing may be verified when engine speed is anywhere within 2000-6000 RPM
A00B4FA
TIMING LIGHT (PN 529 031 900)