2005 Ski-Doo Racing Handbook, Page 178Get this manual
SECTION 05ENGINE PREPARATION
Select YES using the key Press ENTER1TIMING ADJUST 2ENGINE SERIAL# AT N
TIMING1-8:
A30E2GA
A30E23A
Press ENTER
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)
TIMING1-8:5