1990 Johnson Evinrude "ES" 40 thru 55 Service Repair Manual, P/N 507872, Page 60Get this manual

1990 Johnson Evinrude "ES" 40 thru 55 Service Repair Manual, P/N 507872, Page 60

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Description of Fuel System
1al 340, 50 Remote Control modelsThe unit is combination mechanical fuel and oil pump, powered by crankcase pressure and vacuum pulses, which responds to various engin