Mercury Mariner 25HP 4-Stroke Outboard Service Manual 1997, Page 258Get this manual

Mercury Mariner 25HP 4-Stroke Outboard Service Manual 1997, Page 258

7Remove bolts securing pump cover 9Remove cover gasket, base plate and base

aSeals BoltsQ

NOTE: Replace cover if thickness of steel at discharge slots is 0.060 in(1.S24mm) or less, or if groove(s) (other than impeller sealing groove) in cover roof are more than 0.030 in(0762mm) deep
BRemove cover, washer (above impeller)impeller, key and washer (below impeller)

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