Certified NMMA. NMMA certification No. RL-60104F. ITASCA 2-Cycle Engine Oil is formulated from virgin base stocks, along with ashless additives, to provide outstanding protection against piston scuffing, bearing wear, ring sticking and rust. It is certified by the National Marine Manufacturer's Association (NMMA) as an approved TC-W3 lubricant. It is also recommended for applications calling for TC-W, TC-WII and JASO-FB. It exceeds the warranty requirements of Evinrude, Mercury, Johnson, Yamaha, Mariner, Suzuki and other two stroke outboard motors. Recommended for 2-Cycle engines and personal watercraft requiring JASO FB and API TC oils. Refer to engine manufacturer's recommendations for the proper mix ratio. Gallons of Gasoline: 1. 16:1: 8 ounces of oil to be added. 32:1: 4 ounces of oil to be added. 40:1: 3.2 ounces of oil to be added. 50:1: 2.6 ounces of oil to be added. Gallons of Gasoline: 2. 16:1: 16 ounces of oil to be added. 32:1: 8 ounces of oil to be added. 40:1: 6.4 ounces of oil to be added. 50:1: 5.1 ounces of oil to be added. Gallons of Gasoline: 3. 16:1: 24 ounces of oil to be added. 32:1: 12 ounces of oil to be added. 40:1: 9.6 ounces of oil to be added. 50:1: 7.7 ounces of oil to be added. Gallons of Gasoline: 4. 16:1: 32 ounces of oil to be added. 32:1: 16 ounces of oil to be added. 40:1: 12.8 ounces of oil to be added. 50:1: 10.2 ounces of oil to be added. Gallons of Gasoline: 5. 16:1: 40 ounces of oil to be added. 32:1: 20 ounces of oil to be added. 40:1: 16 ounces of oil to be added. 50:1: 12.8 ounces of oil to be added. Made in USA from domestic and imported components.