1992 Johnson Evinrude "EN" 40 thru 55 Service Repair Manual, P/N 508143, Page 50Get this manual

1992 Johnson Evinrude "EN" 40 thru 55 Service Repair Manual, P/N 508143, Page 50

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Maximum Spark Advance Adjustment
4 Stop the engine to prevent contact with rotating partsRemove the spark advance rod Bend rod ends together to advance timing; bend rod ends apart to retard timi