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Add to CartYamalube 10W-30 4-Stroke Conventional Marine Oil is specifically engineered for outboard engines operating in demanding marine environments. This NMMA FC-W certified, mineral-based oil provides powerful corrosion and wear protection while maintaining high shear stability. Its advanced anti-foam technology prevents oil foaming that can cause engine wear, while anti-friction properties help improve fuel economy. Designed to withstand extended full-throttle operation and harsh salt-water conditions, this conventional oil exceeds rigorous NMMA FC-W certification standards through comprehensive 100-hour performance testing. Available in quart and gallon sizes to meet your maintenance needs.
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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