For a 3 hp Johnson outboard motor model JW-12, the recommended oil-to-gas mixture is typically 50:1, which means 2.5 ounces of oil per gallon of gasoline. It's important to use a high-quality two-stroke oil that meets the manufacturer's specifications. Always refer to the owner's manual for the most accurate information regarding fuel and oil mixtures.
Copyright © 2026 eLLeNow.com All Rights Reserved.