1991 Johnson/Evinrude Models "EI" 40 thru 55 Service Repair Manual P/N 507947, Page 61Get this manual

1991 Johnson/Evinrude Models "EI" 40 thru 55 Service Repair Manual P/N 507947, Page 61

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Fuel Requirements
The use of premium grade fuels is specifically encouagedMost national brand premium fuels contain detergent and dispersant ingredients advertised to reduce intake valve and fue