1993 Johnson Evinrude "ET" 60 degrees LV Service Manual, P/N 508286, Page 26Get this manual
Off-Season Storage Use the following procedure to properly prepare Johnson and Evinrude outboards for extended periods of non-useThese steps are intended to protect the engine during storage and simplify the preseason servicing procedure1Stabilize the engine's fuel supply with OMC 2+4fuel conditionerAdd one ounce (30 ml) of OMC 2+4 fuel conditioner for every gallon (3,8 litres) of gasoline
ill propeller before starting engine to prevent accidental contact with moving propeller
When using flushing attachment, always remove engine's
Use flushing attachment if you operate the engine on trailer or dolly to prevent engine or water pump damage2In shop V6 six-gallon gas tank, prepare an engine "storage mixture" consisting of: Five Two One One gallons fuel quarts OMC Storage Fogging Oil pint Evinrude or Johnson Outboard Lubricant pint OMC 2+4 fuel conditioner
3Connect the tank containing the "storage mixture" to the engineLeave the oil supply line connected to the engineRun the engine at approximately 1500 RPM for five minutes to ensure that the entire fuel supply system and the engine's carburetors are full of stabilized fuelDO NOT disconnect fuel line or run equipped engines out of fuelDisconnecting fuel line while engine is running could cause excessive oil consumption and eventual hard starting4Stop engine and remove all spark plugsSpray liberal amount of OMC Storage Fogging Oil into the spark plug holes5Turn timing wheel clockwise to distribute the fogging oil throughout the cylindersInstall and torque the spark plugs