2003 Ski-Doo REV Series Factory Shop Manual, Page 205Get this manual
Section 06 ELECTRICAL Subsection 02 (IGNITION TIMING)
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TIMING1-8:
1TIMING ADJUST 2ENGINE SERIAL# AT N
A30E23A
A30E2GA
Select timing correction factor corresponding to correction neededExample: Timing mark as verified with timing light at 3500 RPM was too early by 2The correction factor programmed is no4Select correction factor no5This will retard the timing by because the difference between correction factor no4 and no5 is(passing from to1)
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