2006 Ski Doo REV Service Shop Manual, Page 299Get this manual
Section 07 ELECTRICAL SYSTEM Subsection 01 (IGNITION SYSTEM)
Now the display shows the engine timing correction factor that is programmed in the MPEMIn the following example timing correction factor is no4
A30E2HA
P YA30E21A
IGNITION CORRECTION FACTOR CORRECTION FACTOR PROGRAMMED IN MPEM
Press any key
IGNITION TIMING CORRECTION
MODIFY YES NO