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Changing Plugs

FM_Mike

By FM_Mike
in Boats & Motors.

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FM_Mike Veteran

FM_Mike

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Has anyone changed the spark plugs on a Mercury 50hp 4 Stroke Efi? I have heard that the lower plug is a pain to get to and get out. My boat is up north and I need to know if I need any thing special to bring with me to change them. Some have said that I will need to remove to coil plate to get at the bottom plug. I have never changed them and don't want to make this and all day project.

Thanks, Mike

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