This 25W-40 oil was formulated specifically for 4-stroke outboards by the Marnie technology and performance leader. Qualified through extensive testing by Mercury Marine Engineering to provide superior long-term marine four-stroke engine reliability. This synthetic blend of premium grade base stocks contains specifically designed additives for optimum marine performance that regular automotive oils do not require. Superior moisture and rust protection, improved performance and protects against wear for trouble-free operation. Recommended for use in Mercury's newest Verado engine.


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