525SC Spark Plugs
06-04-2010, 09:52 PM
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525SC Spark Plugs
Does anyone know what spark plugs are used in the Mercury 525SC? I have a 365HP with a 177 Weiand(basically a 525SC Clone). I had the spark plugs changed last year and they put in the 365HP plugs. I'm assuming the 525SC would use a cooler plug?
