Pennzoil Marine Premium Plus outboard 2-cycle synthetic blend oil is specially designed for exceptional performance in marine applications. Formulated with an extra level of performance additives to protect outboard engines under the most severe operating conditions Helps keep spark plugs clean Helps protect against piston scuffingHelps keep exhaust ports cleanHelps protect against ring sticking Pennzoil Marine Premium Plus outboard 2-cycle oil is recommended for premix and injector systemsMeets or exceeds the highest NMMA requirements and the most stringent engine manufacturer warranties, including Johnson/Evinrude, Mercury Marine, Yamaha, Suzuki, Nissan, Force/US Marine, Mariner and others requiring TC-W3 oils.