1998 Johnson Evinrude "EC" 9.9 thru 30 HP 2-Cylinder Outboards Service Manual, Page 47Get this manual
W Electric Start Models [1J
Timing mark must align with appropriate mark on the ELEC CD flywheel gridRope Start ModelsTiming mark must align with appropriate mark on the CD flywheel grid
Maximum Spark Advance 20 33 BTDC
3To adjust, stop the engine to prevent contact with rotating partsLoosen the timing adjustment screw nut CDTurn the adjustment screw Q) in or out, as necessary, to correct the timingOne turn clockwise retards timing about 1; one turn counterclockwise advances timing about 14Tighten the nut and recheck the timing adjustmentIdle Speed 1The boat must be in the water, under normal operating conditions, with the correct propeller installedThe boat's movement must be unrestrainedThe boat must not be tied to dock or trailer