1995 Johnson/Evinrude Outboards 40 thru 55 2-Cylinder Service Manual, Page 27Get this manual
High Performance Any engine, when used for high performance, requires 50: fueloil mixture in the fuel tank along with the VRO systemIf the system is not used, 25: fueloil mixture is required in the fuel tankModels equipped with the optional AccuMix system will require 50:1 fuel oil mixture in the fuel tank in addition to the lubrication supplied by the AccuMix system, when used in high performance applicationsSevere Service equipped engine is used in commercialrentalor When extended severe service, no additional oiling is necessaryFuelOil Mixing Instructions To be used if engine's system is not desiredor AccuMix automatic oiling
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-
rv Portable tankadd required lubricantReplaceliters) gasoline Pour approximately gallon (4 into tank and filler cap securelyThoroughly mix by shaking tankAdd balance of gasoline