Bombardier SeaDoo 1998 factory shop manual, Page 219Get this manual
Section 08 ELECTRICAL SYSTEM Subsection 02 (IGNITION SYSTEM) F06H07A A25E0RA
1Timing light straight in line with tool slot
CAUTION
TYPICAL 1To retard 2To advance
If engine is to be run more than few seconds, engine must be cooled using the flush kitNOTE: 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