2004 Ski-Doo REV Series Factory Service Manual, Page 271Get this manual

2004 Ski-Doo REV Series Factory Service Manual, Page 271

Section 07 ELECTRICAL SYSTEM Subsection 01 (IGNITION TIMING)
MPEM Programmer
All Engine Types except SDI Timing can also be changed using the MPEM programmer (PN 529 035 878)Connect 9-volt adaptor (PN 529 035 675) to supply cable (PN 529 035 869) and supply cable to diagnostic connector, located on right side of the vehicle529 035 869

NOTE: In fact the programmer takes copy of all vehicle parameters scribed in MPEMThis copy will be modified within the programmer then transferred to the MPEMSelect no4ENGINE PARAMETER
A30E1ZA

CUSTOMER NAME AT VEHSERIAL PA M
Select no1 TIMING ADJUSTMENT