1979 Johnson Outboards 4 HP Models Service Repair Manual P/N JM-7903, Page 14Get this manual

1979 Johnson Outboards 4 HP Models Service Repair Manual P/N JM-7903, Page 14

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ENGINE FUEL AND LUBRICANT RECOMMENOEO GASOLINE: Use gasoline wi th the follow ing minim um octane num be rsPUMP POSTEO OCTANE NUMBER Research Octane Num ber Most Commonly Used in th Past 86 91
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