Putting the myth to test myth to the test
By The Boating Tech Team / boatingmag.com
[highlight color=”black”]Myth: Four-stroke outboards are more fuel-efficient than two-strokes.[/highlight]
[dropcap]Y[/dropcap]ou’ve got to burn fuel to make horsepower. Comparisons are often made between older, carbureted two-strokes and newer fuel-injected four-strokes. In those cases, the enhanced economy comes from the fuel delivery system, not from the number of revolutions in a power cycle. Compare modern two-strokes like Evinrude’s E-Tec outboards to modern four-strokes, and the difference is too close to call. Check our boat test database and see for yourself.
[highlight color=”black”]Myth: Busted[/highlight]
Watch the video linked below for a detailed explanation from Karl Sandstrom, product manager for BRP’s Evinrude Outboard Division, comparing two-stroke and four-stroke outboards.Boating Magazine recently examined the popular myth that 4-stroke outboard engines are more fuel efficient than 2-stroke engines. After analyzing data, Boating concluded that this claim is simply untrue.
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Comparisons are often made between older, carbureted two-strokes and newer fuel-injected four-strokes. In those cases, the enhanced economy comes from the fuel delivery system, not from the number of revolutions in a power cycle. But that’s not the case when you compare Evinrude E-TEC’s 2-stroke outboards to the modern four-strokes.
Go to Boating Magazine’s website to see the full article – click here […]
