1990 Johnson Evinrude "ES" 9.9 thru 30 Service Repair Manual, P/N 507871, Page 60Get this manual

1990 Johnson Evinrude "ES" 9.9 thru 30 Service Repair Manual, P/N 507871, Page 60

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Description of Fuel System
t=J They control engine speed and power output

The carburetor meters and distributes the fuel consumedvarying the intake charge densityreact correctly to