Pennzoil Marine Premium Plus Outboard 2-Cycle oil is a premium oil specially designed for 2-cycle gasoline marine applications and formulated to help protect outboard engines under the most severe operating conditions. It's certified by the National Marine Manufacturer's Association (NMMA) as an approved NMMA TC-W3 lubricant. This synthetic blend oil helps protect against piston scuffing, ring sticking, and only contains ashless components that helps prevent any lubricant-related preignition and spark plug fouling. Compatible with outboard motors made by Johnson/Evinrude, Mercury Marine, Yamaha, Suzuki, Nissan, Force/US Marine, Mariner, Sears, and all other manufacturers requiring NMMA TC-W3 oil.