2001 Ski-Doo Factory Shop Manual Volume Two, Page 187Get this manual
Section 06 ELECTRICAL Subsection 02 (IGNITION TIMING)
MODIFY? YES NO
TRANSFER PGMR MPEM
A30E27A
A00A42A
If the new correction factor selected above is the good one select NO and press ENTEROtherwise select YES to choose an other correction factor
During very short period of time the following message will appear
1TIMING ADJUST 2ENGINE SERIAL# AT N