Gasoline – Use 89 Octane [(R+M)/2] (mid-grade or higher) gasoline or gasohol known to be good quality.
Gasoline may contain up to 10% Ethyl (grain) alcohol (ethanol) or 15% MTBE (methyl teriary-butyl ether).
Source : Echo Website
News And Issues Surrounding The Use Of Unleaded Gasoline Blended With 10 Percent Ethanol
Gasoline – Use 89 Octane [(R+M)/2] (mid-grade or higher) gasoline or gasohol known to be good quality.
Gasoline may contain up to 10% Ethyl (grain) alcohol (ethanol) or 15% MTBE (methyl teriary-butyl ether).
Will a 10% (E10) blend of ethanol hurt my chain saw, trimmer, or blower?
All STIHL gasoline powered engines are OK for use with up to a 10% (E10) blend of ethanol in gasoline.
Are Yamaha engines compatible with E10 fuel?
All current models as well as most engines built since the late 1980’s have been designed with fuel system components that are tolerant to fresh fuel containing ethanol up to 10% (E10). Outboard fuel systems can still be affected by: water, dissolved gum, varnish, corrosion particles, and dissolved resins that E10 fuel has cleaned from the distribution system and your boat’s fuel tanks.
Type Gallons Percentage
E0 Gasoline 397,245,643 25.0%
E10 1,193,833,838 75.0%