1994 Johnson/Evinrude Outboards 40 thru 55 Service Manual, Page 46Get this manual

1994 Johnson/Evinrude Outboards 40 thru 55 Service Manual, Page 46

Maximum Spark Advance Run the engine with the correct test propellerDo not run the engine with regular propeller or flushing
rodif necessary, by removing the forward socket from spark lever 4Stop the engine to prevent contact with rotating f1215Rotate
the socket in clockwise direction to advance timing or in counterclockwise direction to retard timingTwo revolutions equal
approximately one degree of timingf1216Install the spark control rod socket on the spark leverand verify maximum spark advance