1994 Johnson/Evinrude "ER" 60 thru 70 outboards Service Manual, Page 23Get this manual
High Performance Any engine, when used for high performance, requires 50: fueloil mixture in the fuel tank along with the systemIf the system is not used, 25: fueloil mixture is required in the fuel tankSevere Service When equipped engine is used in commercial, rental, or extended severe service, no additional oiling is necessaryFuelOil Mixing Instructions To be used if engine's desiredautomatic oiling system is not
'" Gasoline is extremely flammable and highly explosive under certain conditionsAlways stop engine and do not smoke or allow open flames or spark near the boat when refueling or changing fuel tanksAlways mix in well ventilated areainto tank and add required lubricantReplace filler cap securelyThoroughly mix by shaking tankAdd balance of gasoline
f1l Portable tankPour approximately gallon (4 litersl gasoline