Suzuki DF200/DF225/DF250 V6 4-Stroke Outboards Service Manual, Page 84Get this manual
ENGINE CONTROL SYSTEM
FUEL VAPOR SEPARATOR The fuel vapor separator incorporates float system that maintains constant fuel level inside the separator chamberAs the fuel level decreases, fuel flows into the vapor separator from the low pressure fuel pumpThe function of this unit is to separate vapors from fuel delivered by the low pressure fuel pump or fuel returned from the fuel pressure regulatorThis vapor is routed through the evaporation purge system to the air intake silencer case(See page 3-26 for the Evaporation purge system HIGH PRESSURE FUEL PUMP The high pressure fuel pump is an "integral" type in which the pump mechanism is located within the fuel vapor separatorTo supply the optimum fuel amount, the pump is driven by the duty cycle signal from ECM