Premium 2-cycle engine oil using the finest parafinic base oil. For use in any 2-cycle engine. Reduce smoke, special low ash formula, maintains optimum performance. Mix 5.5 oz. bottle with 2.5 gallons of gasoline. This finish mixture is good for any gas to oil ratio. No longer do you need to worry about what ratio your engine requires. The mixture automatically adjusts to the heat of the engine. Endura Plus is truly the "oil with brains".