1983 Johnson/Evinrude 2 thru V-6 outboards Service Repair Manual P/N 393765, Page 226Get this manual

1983 Johnson/Evinrude 2 thru V-6 outboards Service Repair Manual P/N 393765, Page 226

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gIf the spark advance is incorrect, remove the shoulder screw retaining the throttle cam to the powerheadRotate the throttle cam on the throttle lever link clockwise to advance timing and counterclock