Mercury Mariner 25HP 4-Stroke Outboard Service Manual 1997, Page 156Get this manual

Mercury Mariner 25HP 4-Stroke Outboard Service Manual 1997, Page 156

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2 Remove balance piston nutSeparate balance piston from balance rod 55814 Nut (30mm) Piston 55816

a Bolts (6) Bolts (6) Crank Case Cover

5 Use 516 in12 point socket and remov