1990 Johnson Evinrude "ES" 40 thru 55 Service Repair Manual, P/N 507872, Page 25Get this manual

1990 Johnson Evinrude "ES" 40 thru 55 Service Repair Manual, P/N 507872, Page 25

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High Performance Any recreational engine, when used for high performance, requires 50:1 fueloil mixtureSevere Service The fueloil ratio for recreational models is 50:1 (2 oil) when used in commercial,