Mercury Mariner Outboard 40/50/55/60 2-stroke Service Manual, Page 24Get this manual

Mercury Mariner Outboard 40/50/55/60 2-stroke Service Manual, Page 24

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Gear Case Lubrication When adding or changing gear case lubricant, visually check for the presence of water in the lubricantIf water is present, it may have settled to the bottom and will drain out pr