1992 Johnson Evinrude "EN" 90 deg. Cross V Service Manual, P/N 508145, Page 23Get this manual
High Performance Any recreational engine, when used for high performance, requires 50: fueloil mixture in the fuel tank along with the systemIf the system is not used, 25fueloil mixture is required in the fuel tankSevere Service equipped The fueloil ratio remains the same when recreational engine is used in commercial, rentalor extended severe serviceNo special consideration is necessaryFuelOil Mixing Instructions To be used if engine's desiredautomatic oiling system is not
i der 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 area
'" Gasoline is extremely flammable and highly explosive un-
f11 Portable tankPour approximately gallon (4 liters) gasoline
into tank and add required lubricantReplace filler cap securelyThoroughly mix by shaking tankAdd balance of gasoline