This is especially true if your plan is to try to get away with a lower horsepower engine than the one for which your boat is rated. Fuel Efficiencyĭespite its extra weight at the same horsepower, an EFI engine will give you better gas mileage.
That’s because an EFI engine requires more moving parts to make it work. If weight is a factor, it’s important to note that an EFI engine is going to be heavier than a carbureted engine of the same horsepower. (California Air Resources Board) rating and are well within current EPA guidelines governing the release of carbon emissions. Most now carry a 3-Star or even a 4-Star C.A.R.B. However, in recent years, manufacturers of marine engines have made great strides in reducing carbon emissions of their 4 stroke carbureted engines. They produce fewer emissions than carbureted engines. Environmental Considerations with 4 Stroke OutboardsĮFI engines have a clear edge from an environmental perspective. But, because of their many other advantages, you might find that an EFI engine is easily worth the additional purchase price. Costīecause of the more sophisticated equipment involved in making them work, EFI outboards cost more than traditional 4 strokes.
With no choke involved, it definitely makes starting your engine easier. From the Startįirst, when it comes to starting 4 stroke outboards, an EFI engine has the advantage. When choosing 4 stroke outboards – depending on the horsepower range you need for your craft – one of the decisions you’ll need to make is whether you want an electronic fuel-injected (EFI) engine or a standard, carbureted 4 stroke.
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