1995 Johnson Evinrude "EO" 90 CV 85 thru 115 Service Repair Manual, P/N 503150, Page 57Get this manual

1995 Johnson Evinrude "EO" 90 CV 85 thru 115 Service Repair Manual, P/N 503150, Page 57

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Description of Fuel System f21 1 The unit is combination mechanical fuel and oil pump, powered by crankcase pressure and vacuum pulses, which responds to various engine power settings by injecting the