1987 Johnson Evinrude "CD" Colt/Junior thru 55 Commercial service repair manual, P/N 507546, Page 179Get this manual

1987 Johnson Evinrude "CD" Colt/Junior thru 55 Commercial service repair manual, P/N 507546, Page 179

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Spark Plug Information The spark plugs should be removed and examined The spark plugs should be replaced if the electrodes are badly wornhave cracked insulator, or are badly fouledBefore installing th

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