1976 Evinrude 200 HP Outboards Service Manual, PN 5199, Page 17Get this manual
ENGINE FUEL AND LUBRICANT TYPE OF GASOLINEUse premium or regular leaded gaSOline with the following minimum octane numberPUMP POSTED OCTANE NUMBER Research Octane Number Most Commonly Used in the Past SAFETY WARNING 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 tanksNOTE When operating in any other country than the United States, Canada, or Australia, any gasoline may be used which will satisfactorily operate an automotive engineLUBRICANT: Use Evinrude Outboard 50:1 lubricant which is BIA certified for service TC-W (two cyclewater cooled)It is formulated to give best engine performance with least combustion chamber deposits, least piston varnish, maximum spark plug life, and best lubricationSee inside back coverIf Evinrude lubricant is not available, another BIA
IMPORT ANT: Additive compounds such as "tune-up" compounds, "tonics," "friction reducing" compounds, etc are unnecessary and are not recommendedThe use of OMC engine cleaner, OMC rust preventive oil and OMCFuel Conditioner is recommendedAbove 32 FPortable TankPour lubricant into tank, add fuelReplace filler cap securelyTo mix fuel, tip tank on side as shown and back to upright positionBuilt-in TankUse large filter funnelPour lubricant slowly with the fuel as tank is filledBelow 32 FPortable TankPour apprOXimately one gallon gasoline into tank, add required lubricantReplace filler cap securelyThoroughly mix by shaking tankAdd balance of gasolineBuilt-in TankIn separate container mix all lubricant needed with one gallon or more of gaSOlineUse large filter funnelPour this mixture slowly with fuel as tank is filled