1972 Evinrude StarFlire 125 HP Outboards Service Repair Manual, PN 4822, Page 19Get this manual

1972 Evinrude StarFlire 125 HP Outboards Service Repair Manual, PN 4822, Page 19

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OEseRI PTION
THEORY OF OPERATION

The carburetor is metering device for mixing fuel and airAt idle speed, an engine requires mixture of about parts air to part fuelHigh speed mixture