Mercury Optimax 75, 90, 115, DFI starting year 2004 service manual., Page 248Get this manual

Mercury Optimax 75, 90, 115, DFI starting year 2004 service manual., Page 248

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DIRECT FUEL INJECTION
aExcess air return to adaptor plateAir mufflerWater outlet from fuel railAir regulator 648.1 13.8 kPa (94 psi)Fuel regulator 744.6 13.8 kPa (108 psi)Fuel railFuel inlet to