Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 232Get this manual

Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 232

CYLINDER BLOCKCRANKCASE
Preparation for Powerhead Removal

prevent this type of accidental starting always remove spark plug leads from spark plugs1On electric start models, disconnect the battery cables from the batteryRemove battery cables from engi ne

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