Suzuki 2002-2005 DF4/DF5/DF6 4-Stroke Outboards Service Manual, Page 31Get this manual

Suzuki 2002-2005 DF4/DF5/DF6 4-Stroke Outboards Service Manual, Page 31

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PERIODIC MAINTENANCE
Only resistor (R) type spark plugs must be used with this engineUsing non-resistor spark plug will cause ignition system malfunctionsCARBON DEPOSIT Inspect for carbon deposi