1965 Evinrude 90 HP StarFlite Service Repair Manual, P/N 4206, Page 16Get this manual

1965 Evinrude 90 HP StarFlite Service Repair Manual, P/N 4206, Page 16

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FUEL PUMP The fuel pump is of the diaphragm-displacement type, and is operated by changes in crankcase pressureAlternate suction and pressure in the crankcase are transmitted to the pump diaphragm thr