2007 Johnson 2 HP 4-Stroke Service Manual, Page 52Get this manual
MAINTENANCE SUBMERGED ENGINES Disconnect fuel supply hose from outboardDrain and clean all fuel hoses, filters, and fuel tanksRefill fuel tank with fresh fuelInject small amount of outboard lubricant into spark plug holes and install new spark plugsReinstall all removed or disconnected partsRun the outboard below 1500 RPM for one-half hourChange oil and filter again
Engine Dropped Overboard (Running)
Follow the same procedures as Engine Dropped Overboard (Not Running)However, if there is any binding when the flywheel is rotated, it may indicate bent connecting rod and no attempt should be made to start the outboardPowerhead must be disassembled and serviced immediately