1992 Johnson Evinrude "EN" 9.9 thru 30 Service Manual, P/N 508142, Page 49Get this manual
Electric start modelsTiming mark CD must align with appropriate mark on the ELEC CD flywheel grid Rope start modelsTiming mark Q) must align with appropriate mark on the CD flywheel grid Maximum Spark Advance 25 thru 30 30 BTDC
PCE0026
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i rotating partsLoosen the timing adjustment screw nut Turn the adjustment screw in or out, as necessary, to
3To adjust, stop the engine to prevent contact with
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
171 2On tiller models, turn the idle speed knob counterclockwise
to the full SLOW position