2003 Johnson ST 6/8 HP 4 Stroke Outboards Service Repair Manual, PN 5005471, Page 68Get this manual

2003 Johnson ST 6/8 HP 4 Stroke Outboards Service Repair Manual, PN 5005471, Page 68

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IGNITION SAFETY INFORMATION
SPARK PLUG INFORMATION
The spark plugs must be removed and examined spark plug must be replaced if the electrodes are badly worn, if it has cracked insulator, o

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