1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 199Get this manual

1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 199

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Water Pump Reassembly and Installation 6 Place seal on longer shoulder side of Oil Seal Driver (91-13949) with seal lip away from shoulder7 Apply Loctite 271 on O.Dof seal; press seal into water pump