Mercury Optimax 150 User Manual

FUEL PUMP
90-855347R1 JANUARY 1999 Page 3A-9
5. Place boost spring into pump body and place cap onto boost spring.
50161
a
b
c
a-Boost Spring
b-Pump Body
c-Cap
6. Assemble remainder of components as shown and install retaining screws thru to
align.
7. Install pump onto engine. Torque to 55 Ib-in (6 Nm).
8. Install hoses onto proper fittings and secure with sta-straps.
9. Run engine and check for leaks.

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)