1991 Johnson/Evinrude EI Outboards 2.3 thru 8 Service Repair Manual P/N 507945, Page 62Get this manual

1991 Johnson/Evinrude EI Outboards 2.3 thru 8 Service Repair Manual P/N 507945, Page 62

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Description of System 2.3,3.3

controls engine speed and power output varying the intake
charge densityreact coectly to wide range of operating conditions, the carbuetor has multiple