1994 Johnson/Evinrude Outboards 40 thru 55 Service Manual, Page 114Get this manual

1994 Johnson/Evinrude Outboards 40 thru 55 Service Manual, Page 114

Spark Plug Information The spark plugs should be removed and examinedA spark plug should be replaced if the electrodes are
OMC Triple-Guard grease to the ribbed portion ofthe spark plug ceramic and to the opening of the spark plug coverThis will
help prevent corrosion ofthe spring terminal and the spark plug which can cause high tension arcingSpark Plug, Champion Model