Mercury Optimax 150 User Manual

DIRECT FUEL INJECTION
Page 3B-32 90-855347R1 JANUARY 1999
4. Connect water separator sensor lead to water separator.
a
57317
a-Sensor Lead
5. Connect electric fuel pump harness.
6. Connect vapor separator vent hose to air plenum.
7. Secure air temperature sensor leads to fuel hose with sta-strap.
56157
c
b
a
d
a
b
c
d
a-Electric Fuel Pump Harness Connector
b-Sta-Strap
c-Top Fuel Hose (Fuel return from fuel cooler)
d-Bottom Fuel Hose (Inlet from low pressure pump)

Mercury Optimax 150 Specifications

General

Horsepower	150 HP
Engine Type	V6
Alternator Output	60 amp / 756 watt
Starting	Electric
Steering	Remote
Displacement	2.5 L
Fuel Induction System	2-Stage Direct Fuel Injection (DFI)
Shaft Length	20", 25"
Dry Weight	431 lbs (20 in), 439 lbs (25 in)