1995 Johnson/Evinrude Outboards 50 thru 70 3-cylinder Service Repair Manual P/N 503149, Page 23Get this manual
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High Performance engine, when used for high performance, requires 50: fueloil mixtue in the fuel tank along with the VRO system If the VRO system is not used, 25:1 fueloil mixtue is required in the fu