Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 34Get this manual

Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 34

GENERAL INFORMATION
Following Complete Submersion
Submerged While Running (Special Instructions)
When an engine is submerged while runningthe possibility of internal engi ne damage is greatly increased If, after engine is recovered and with spark plugs removedengine fails to turn over freely when turning flywheelthe possibility of internal damage (bent connecting rod andor bent crankshaft) existsIf this is the case, the powerhead must be disassembled
Salt Water Submersion (Special Instructions)

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