147
FUEL SYSTEM
FUEL COMPONENT SERVICING
7
Installation
Check condition of sealing O-rings on fuel man i-
fold fittings. Lubricate O-rings wit h outboard lubri-
cant a nd inse rt fuel manif old fittings into in jector.
Both fittings must be fully se ated into the injector
fuel ports.
Install retainer in the outer groove of the manifo ld
fittings. Install and tighten screw to a torque of 24
to 36 in. lbs. (2.7 to 4 N·m).
Install the fuel manifolds to the fuel pump assem-
bly and secure with clamps:
• Fuel supply manifold to circulation pump.
• Fuel return manifold to vapor separator.
Fuel Injector Service
Mark fuel injectors to show cylinder locations.
Fuel inje ctors m ust be inst alled in
the correct cy linder lo cations. Use Evinrude
Diagnostics So ftware to make sure that EMM
programming matches injector positioni ng.
The Injector Coefficients screen display s
injector serial numbers.
Use caution when handling fuel injectors. Prevent
dirt and debris from entering fuel inlet and outlet
ports of in jectors or fuel ma nifolds. Cover th e
injector nozzle port in cylinder h ead to prevent
contamination of combustion chamber.
Removal
Disconnect the battery cables at the battery.
Relieve fuel system pressu re. Refer to Relieving
Fuel System Pressure on p. 143.
Remove f uel manifolds. Refer to Fuel Mani fold
Service on p. 146.
Disconnect the fuel injector electrical connector.
1. Retainer
2. Manifold fitting groove
005342
1. Retainer screw
2. Fuel supply manifold fitting
3. Fuel return manifold fitting
004266
Injector Coefficients Screen 008568
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