Mercury OptiMax 250 Manual

DIRECT FUEL INJECTION
Page 3B-33
90-888438 JUNE 2002
Vapor Separator Installation
1. Secure vapor separator to air plenum with 3 bolts. Torque bolts to 140 lb. in. (16.0 Nm).
2. Connect fuel inlet hose to fuel lift pump.
3. Connect vent hose to vapor separator.
4. Connect fuel outlet hose and fuel return hose to vapor separator.
5. Connect water separator sensor lead to water separator.
6. Connect electric fuel pump harnesses.
59409
a
a
c
b
f
g
h
d
e
i
a-Mounting Bolts [Torque
to 140 lb. in. (16.0 Nm)
b-Fuel Inlet Hose
c-Vent Hose
d-Fuel Outlet Hose (90
psi)
e-Fuel Return Hose from
rail
f-Water Separator Sensor Lead
g-Electrical Harness
h-Fuel Outlet from Low Pressure Pump
i-5 AMP. Fuse Electric Fuel Pump

Mercury OptiMax 250 Specifications

General

Engine Type	V6
Horsepower	250 hp
Gear Ratio	1.75:1
Starting System	Electric Start
Alternator	60 Amp
Shaft Length	20", 25"