Mercury OptiMax 250 Manual

DIRECT FUEL INJECTION
Page 3B-39
90-888438 JUNE 2002
FUEL INJECTOR INSTALLATION
NOTE: Apply anti-seize grease (obtain locally) or 2-4-C with Teflon to fuel injector attach-
ing screw threads.
1. Insert fuel injector into fuel rail with connector pins facing (inwards) towards center of
engine.
NOTE: Turn injector back-and-forth slightly to seat injector o-rings in fuel rail while secur-
ing injector with retainer and 2 screws. Torque screws to 70 lb. in. (8.0 Nm).
a
c
b
57970
a-Injector
b-Retainer
c-Screws [Torque to 70 lb. in. (8.0 Nm)]

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"