What is the gas oil mixture for a 1990 40 hp evinrude 2 stroke engine?

For a 1990 40 hp Evinrude 2-stroke engine, the recommended gas-oil mixture is typically a 50:1 ratio. This means you should mix 2.6 ounces of 2-stroke oil per gallon of gasoline. Always use a high-quality oil specifically designed for 2-stroke engines to ensure optimal performance and protection. It's also a good practice to consult the owner's manual for any specific recommendations or variations.