1993 Johnson Evinrude "ET" 90 degrees CV Service Repair Manual, P/N 508285, Page 40Get this manual

1993 Johnson Evinrude "ET" 90 degrees CV Service Repair Manual, P/N 508285, Page 40

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Maximum Spark Advance

the engine to prevent contact with rotating partsTo

Loosen the locknut on the spark advance rod Rotate the thumb wheel to correct the timing Rotate top