Thread: Ethanol gas

Originally Posted by Boatbottom

I don't use the ethanol but I have an older motor which specified 90 octane no lead. That high octane is a butt to find but there are a few that carry it.

Some of the Mercury Optimax (2 Stroke EFI) Engines do call for high octane fuel to keep the engine from becoming an OptiPop or Poptimax.

You can buy high octane Ethanol without an issue unless your engine is older style that Is Not ethanol compliant.


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