Mercury Optimax 75, 90, 115, DFI starting year 2004 service manual., Page 159Get this manual

Mercury Optimax 75, 90, 115, DFI starting year 2004 service manual., Page 159

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PULSE CRANKCASE DRIVEN FUEL PUMP

NOTE: Electric fuel pump pressure, if used in conjunction with engine mechanical fuel pump, must be limited to no more than 27.4 kPa (4 psi)
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