How do you mix gas and oil on an evinrude v4 115hp?

To mix gas and oil for an Evinrude V4 115hp outboard motor, use a 50:1 ratio, which translates to 2.6 ounces of oil per gallon of gasoline. First, measure the appropriate amount of oil and add it to a clean, approved fuel container. Then, pour in the gasoline, seal the container, and shake it gently to ensure thorough mixing. Always double-check the oil type recommended in the owner's manual for optimal performance.