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Add to CartProtect your marine engine with Yamalube 10W-30 4-Stroke Conventional Marine Oil, specifically engineered for outboard engines in demanding marine environments. This NMMA FC-W certified oil delivers superior protection against rust and corrosion while maintaining optimal viscosity. Its advanced anti-friction properties help improve fuel economy and engine performance, while the premium anti-foam technology prevents oil foaming that can lead to engine wear. Designed to withstand extended full-throttle operation and high loads in salt-water conditions, this conventional mineral-based oil exceeds rigorous NMMA FC-W certification standards, including 100-hour performance testing and comprehensive bench tests. Available in both quart and gallon sizes, Yamalube 10W-30 provides the reliable protection your marine engine needs for sustained performance and longevity.
It varies model to model, check out our Yamaha oil capacity guides for more information and capacity charts!
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
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