Chrysler 75 and 85 HP Outboards Service Manual OB 3646, Page 18Get this manual
SUBMERGED MOTOR Motor Running When SubmergedFresh or Salt WaterDo not make any attempt to startDisassemble completely, inspect in each part for damage Internal damage is common when running engines are submerged Motor SubmergedFresh WaterIf motor is recovered within few hours, is not damaged mechanically and is free of abrasive dirt insidetry to start following these instructions1Remove spark plugsTurn flywheel slowly by
hand to expel water from crankcase and cylinder2Dry and install spark plugs3Dry ignition components and spray lubricant and water displacer 89694Drain fuel lines and carburetor5If fuel tank was submerged, drain all fuel from tank, flush with fresh fuel until all water is removed with
Figure 15Lubricating Propeller Shaft
6Start engine, keep it running for one (1) hour or until all parts are thoroughly warmed and remaining water has evaporated from internal parts
Motor SubmergedSalt WaterMotors submerged in salt water are put back in service much the same as with fresh water; however, precautionary note is added to stop damaging corrosion