Bombardier SeaDoo 1989 factory shop manual, Page 87Get this manual
Section 07 ELECTRICAL Sub-section 02 (IGNITION TIMING)
To retard
To adlvance
Too advanced timing
To adjust, loosen both armature plate retaining screws and lightly rotate armature plate in proper direction
In this case, turn armature plate clockwiseTurn clockwise to retard
R,etaining screws