Bombardier SeaDoo 2001 factory shop manual, Page 356Get this manual
Section 10 ELECTRICAL SYSTEM Subsection 02 (IGNITION SYSTEM)
2Connect timing light pick-up to MAG side spark plug wireNOTE: If mark on PTO flywheel is perfectly aligned with timing mark pointer, no adjustment is requiredIf mark does not align with pointer, recheck PTO flywheel mark before adjusting ignition timing to ensure PTO flywheel has not loosen or moved
Ignition Timing Adjustment
717 Engines Remove magneto housing cover and wire supportFor removal of magneto, refer to MAGNETO SYSTEMTiming is performed by moving armature plate; clockwise to retard spark occurrence or counterclockwise to advanceF00H0HA
1Timing light pick-up
IMPORTANT: On 787 RFI engines to check the ignition timing, the timing advance curve must be locked firstThis allows to perform ignition timing at any RPM by keeping the timing "frozen" so that it does not vary with engine RPMSee Fixed Timing Function for more informationNOTE: Fixed Timing function must be activated before starting engine3On 947 engines, start engine and rev it to 3500 RPM and point beam of timing light straight in line with timing mark pointerOn 787 RFI engines, start engine and point the beam of timing light on mark1