1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 330Get this manual

1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 330

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3 Remove four screws securing reservoir to manifold Manifold Removal

51486 ReservoirDriver ShaftOil Pump

Manifold and Pump O-ring (3) Spring Sleeve Spool

POWER-T