Mercury Mariner Outboards 45 Jet 50 55 60 HP Models Service Manual, Page 423Get this manual
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Drive Shaft and Water Pump Components A 1 Gear HousingDrain ScrewScrewWasherDowel Pin (Hollow)Dowel Pin (Solid)Pipe PlugRoller BearingPinion Gear 10- Nut 11- Shift Shaft 12- Retaining Ring 13- Bushing