1995 Johnson/Evinrude Outboards 40 thru 55 2-Cylinder Service Repair Manual P/N 503148, Page 65Get this manual
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Fuel Requirements Minimum Octane Models 40RW, 40RP, 45, 55 40RS, 40, 48, 50 Recommendations See fuel classifications below See fuel classifications below {R+M)2 "AKI" 87 87 "RON" 69 90
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