Mercury Mariner Outboard 40/50/55/60 2-stroke Service Manual, Page 421Get this manual

Mercury Mariner Outboard 40/50/55/60 2-stroke Service Manual, Page 421

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4 Lift impeller, drive key, and gasketReplace impeller if: Impeller blades are cracked, torn, or worn Impeller is glazed or melted (caused by insufficient water supply) Rubber portion of impeller is n