Part # LUB-20W40-FC-12

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YAMALUBE® 4M FC-W® for Four Stroke Outboards
In order for an oil to be approved by the NMMA® to hold its highest
rating for marine engine oils, FC-W® (Four Cycle – Water cooled)
it must pass a multitude of tests. Passenger car oils don’t pass
these tests, which is why it’s important to use NMMA®-Certified
YAMALUBE 4M FC-W®. Automotive oils do not usually run at
6000 rpm. Yamaha Outboard engines were designed to run at
full throttle (5500 to 6000 rpm) all day long. At this speed it is
critical that engine oil not foam. Foaming reduces lubricity which
can lead to wear and over time this can lead to failure. Yamalube
4M FC-W® has the best blend of anti-foam technology available.