Evinrude E-Tec 40 HP Service Manual page 137

The EMM is programmed to compensate for vari-
ations in fuel flow. Each injector and its location on
the outboard is identified by the EMM. DO NOT
install an injector without updating the compensa-
tion software.
Each service injector includes it s fuel flow infor-
mation on a 3.5 in. flo ppy disk. Th is sof tware
allows the EMM to be reprogrammed for this injec-
tor's unique fuel flow characteristics.
NOTICE
Fuel injectors MUST NOT be moved
from one cylinder to another. EMM program-
ming is associated with the cylinder location
of each injector. Installing an injector on the
wrong cylinder can result in powerhead fail-
ure.
Injector Fuel Supply
Fuel is supplied to the injectors by the fuel circula-
tion pump and the fuel supply manifold.
Each inje ctor ha s int ernal fu el p assages. These
passages are designed to:
Provide fuel to the injector's injection chamber
•
Route fuel through the injector hou sing to coo l
•
the injector coil and armature
FUEL SYSTEM
COMPONENTS
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