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Mercury 60HP Spark Plug Service u0026 Replacement - (How to Guide in 4K)
Replacing spark plugs in your Mercury outboard boat motor is really quite easy. Swapping the spark plugs is something my 60HP Mercury requires at the 3year, or 300hour, mark. In my case, 3 years have passed so I performed the entire outboard motor service and made a quick video showing how to put new spark plugs in your boat's motor.
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