1998 Johnson Evinrude "EC" 40 thru 55 2-Cylinder Service Repair Manual, P/N 520206, Page 107Get this manual

1998 Johnson Evinrude "EC" 40 thru 55 2-Cylinder Service Repair Manual, P/N 520206, Page 107

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Spark Plug Information The spark plugs should be removed and examinedA spark plug should be replaced if the electrodes are badly worn, if it has cracked insulator, or is badly fouledBefore installing