Ethanol Will Ruin Your Outboard Motor's Performance
Ethanol fuel blends are making their way to our neighborhoods.
Read what the National Marine Manufacturers Association recommends in this article on the current Lawsuit over Ethanol Fuel and its effects on your motor.
The characteristics of ethanol, even when blended in ratios of as little as 10 percent, are:
Attracts and absorbs moisture from the air. Boaters will likely face more fuel contamination issues from water absorbed through their fuel tank vents.
Dissolves some solid materials (and can loosen any corrosion), varnish or cause oxidation in steel and aluminum tanks - commonly found in fuel tanks, thereby contaminating the fuel.
Ethanol has been known to dissolve components of the fuel system itself. Modern fuel hoses are made to withstand the effects of ethanol exposure.
Can react chemically with MTBE fuel blends, causing additional contamination.
Fuel blends using as much as 10 percent ethanol are appropriate for use in all of Yamaha's current outboard models. Yamaha does not recommend the use of fuels with higher concentrations of ethanol (E85, which contains 85 percent ethanol) or any other fuel blend that contains more than 10 percent ethanol.
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