1997 Johnson Evinrude "EU" 90, 105RW, 115, 150, 150W, 175 60 LV Service Manual, P/N 507268, 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, 25:1 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 INotel To be used if engine's desired
automatic oiling system is not
1 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 refuelingAlways refuel in well ventilated area
m Portable tankAbove and below 32 Fof oilAdd one gallon (00 e), add (4 litres) of fuelPour in required amount remaining
fuelInstall filler cap and tip tank gently to distribute oil
m mslowly with the fuel as tank is filledAbove 32 FF (0 e), 1 pour oil Below 32 e),