Use in all two-stroke outboards (for Evinrude* factory-lean setting, useAMSOIL HP Marine®Synthetic 2-Stroke Oil), snowmobiles and other recreational equipment where TC-W3 or API-TC oils are specified, including Evinrude/Johnson,* Ski-Doo,* Polaris,* Mercury,* Arctic Cat,* Yamaha,* Suzuki,* Kawasaki,* Mariner* & Force.* Use as injection oil or 50:1 pre-mix (2.6 oz. per U.S. gallon of gas).