Yamalube 20W-40 4 Stroke Engine Oil - MW
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.
Need to know how much oil you need?
Check our Yamaha oil capacity guide for more information!
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 conditions
Yamalube 20W-40 Oil is NMMA FC-W certified. Oils that earn this certification have been proven to provide the performance and quality demanded by today's advanced four stroke outboard technology. These oils stand up to extended full-throttle operation, high loads, and the salt and moisture-rich air found in harsh marine environments.
Sizes Available:
- Quart
- Gallon
WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov


