Evinrude E-tec 75 HP Service Manual page 173

The following items and their mating surfaces
must be cleaned prior to reassembly:
•
Injector
•
Cylinder head
•
Adapter
•
Screws
•
Threaded areas
CAUTION
All injector components must be clean to
ensure correct torque tightening specifi-
cations. To prevent fuel leakage, carefully
follow these installation instructions.
Position injector and insulator in the proper cylin-
der location.
IMPORTANT:
Be careful not to pinch any wiring
or hoses during assembly.
Lubricate mounting screw threads and under the
head of screw with a light coat of Triple-Guard
grease. Install washers (one per screw) on injec-
tor retaining screws. Install screws and washers
through mounting flange of injector and thread
into cylinder head.
Tighten screws in stages, starting with the lower
screw.
•
First torque is 5 ft. lbs. (7 N·m)
•
Second torque is 10 ft. lbs. (14 N·m)
•
Final torque is 24 to 26 ft. lbs. (33 to 35 N·m).
FUEL COMPONENT SERVICING
Tighten Screws in Stages
Check condition of sealing O-rings on fuel mani-
fold fittings. Lubricate O-rings with outboard lubri-
cant and insert fuel manifold fittings into injector.
Both fittings must be fully seated into the injector
fuel ports.
Install retainer and screw. Retainer must engage
the outer groove of the manifold fittings.
1
2
1. Fuel supply manifold fitting
2. Fuel return manifold fitting (White)
3. Retainer
002316
Reconnect fuel injector/coil electrical connectors
and high tension spark plug leads with retainers.
Reconnect battery cables. Start outboard briefly to
pressurize fuel system. Turn outboard OFF and
inspect all fuel system components for leaks.
Install lower engine covers and air silencer.
IMPORTANT:
in. floppy disk) by using the Injector Replacement
Utility of the Evinrude Diagnostics Software pro-
gram. Use the diagnostic program to confirm that
all injectors are positioned properly.
FUEL SYSTEM
Install service injector data (3.5
002195
7
3
002185
173