Quote:
Originally Posted by hikbik88
I've been told that outboard engines need to have something done to them to prevent damage from running fuel that is 10% ethanol. Is this true? What needs to be done? New Triumph owner of a 2004 191FS w/ an 05 Yamaha 150 Four Stroke.
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The engines are designed to run the E10 fuel. However, you can run into problems if you get water in the fuel as the alcohol attracts the water and carries it to your carbs where it forms a gunky mess. You need to have a good 10 micron fuel filter in the fuel line to separate the water. Other than that, you should be fine with the E10.