2008 Evinrude E-TEC 55MFE Technical Manual, Page 69Get this manual
MAINTENANCE SUBMERGED ENGINES
SUBMERGED ENGINES
Once an outboard has been submerged in fresh or salt water, it must be serviced within three (3) hours of recoveryImmediate service can minimize the corrosive affect that air has on the polished surfaces of the crankshaft, connecting rods, and internal powerhead bearings
Make sure high pressure fuel system does not contain waterFlush as neededInject small amount of outboard lubricant into spark plug holes and install new spark plugsRefer to Spark Plug Indexing on p65Reinstall all removed or disconnected partsUse Evinrude Diagnostics software to: Initiate Break-in Check fuel pump operation Check injector operation (fuel and oil) Check timing (once outboard is running at full operating temperature)Run outboard below 1500 RPM for one-half hour
IMPORTANT: If outboard cannot be started or
serviced immediately, it should be resubmerged in fresh water to avoid exposure to the atmosphere