1998 Johnson Evinrude "EC" 90, 100C, 105C, 115, 150, 150C, 175 60 deg. LV Service Repair Manual, P/N 520210, Page 69Get this manual
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VRO Pump Operation
Fuel eThe fuel piston is pushed into the fuel inlet chamber Q)The fuel in the chamber passes through the fuel piston check valves to the fuel outlet chamber Oil eThe oi