YamaLube 20W-40 Marine Oil NMMA FCW 4-Stroke 1 Gallon

YamaLube 20W-40 Marine Oil NMMA FCW 4-Stroke 1 Gallon. YamaLube 4M Four Stroke Outboard Oil 20W-40 YamaLube 20W-40 is designed for maintaining viscosity in 4 stroke outboard engines in marine environments. NMMA FC-W certified, this oil features rust inhibitors that helps keep you moving smoothly and increasing engine life. Yamalube utilizes anti-friction protection to help promote efficient fuel economy and increased performance. Additionally, Yamalube 4M FC-W has the best blend of anti-foam technology available. This is important, as foaming reduces lubricity which can lead to engine wear and, over time, failure. Features: Mineral-based four-stroke outboard engine oil. Top-tier NMMA FC-W certified oil. Formulated to protect your engine in the most demanding marine conditions. Developed to replace the 10W-30 in warmer climates.  Meets or exceeds OE specifications for Outboard Oil. Advanced additive package to prevent rust and corrosion, breakdown under high RPM and maximum load condit