1996 Johnson Evinrude "ED" 40 thru 55 2-Cylinder Service Manual, P/N 507124, Page 28Get this manual
Fuel Requirements Minimum Octane Models 40RVV, 40RP, 45, 55 40RS, 40, 48, 50 Recommendations See fuel classifications below See fuel classifications below (R+M)2 "AKI" 67 87 "RON" 69 90
Preferred Fuel: Any regular unleaded, regular leaded, or premium unleaded gasoline having the recommended octane rating, and not extended with alcoholAcceptable Fuel: Any of the above gasolines with up to the following percentage alcohol by volume: 10 ETHANOL or METHANOL with cosolvents Unacceptable Fuel: Do not use any gasoline having more than 10 ETHANOL or more than METHANOL even if it contains cosolvents or corrosion inhibitor, regardless of octane rating
ClVIC: products have been designed to operate using the Preferred Fuel or Acceptable Fuelhowever, be aware of the following :