Kawasaki VULCAN 1600 CLASSIC (2003) [141/575] Fuel system dfi 3 83

Kawasaki VULCAN 1600 CLASSIC (2003) [141/575] Fuel system dfi 3 83
FUEL SYSTEM (DFI) 3-83
Fuel Line
Fuel Pressure Inspection
NOTE
This inspection can determine which trouble the DFI
system has, mechanical or electrical trouble.
It is preferable to measure the fuel pressure while run-
ning the motorcycle when the trouble has occurred in
order to know symptom well.
Be sure the battery is fully charged.
Remove the fuel tank (see this chapter).
Disconnect the #2 fuel injector connector [A].
Pinch the lock of the fuel hose joint #2 with fingers, dis-
connect the joint [B] and take out the fuel hose assy [C].
Front [D]
WARNING
Be prepared for fuel spillage; any spilled fuel m ust
be completely wiped up immediately.
When the fuel hose is disconnected, fuel spills out
from the hose and the pipe. Cover the hose connec-
tion with a clean shop towel to prevent fuel spillage.
Install the fuel pressure gauge adapter [A] (special tool)
between the fuel tank outlet pipe [B] and the inlet pipe [C]
to the delivery joint [D].
Put the fuel pressure gauge adapter outside the frame.
Connect the pressure gauge [E] ( special tool) to the fuel
pressure gauge adapter.
Fuel Tank [F]
Fuel Pump [G]
Front [H]
:FuelFlow
Special Tools - Fuel Pressure Gauge Adapter: 57001-1417
Oil Pressure Gauge: 57001-125
Temporarily, install the fuel tank.
Connect:
Fuel Pump Connector 2P
Battery Lead (–) Terminal
WARNING
Do not try to start the engine with the fuel hoses
disconnected.
Turn the ignition SW ON. The fuel pump will turn for 3
seconds, and then stop.
Measure the fuel pressure with the engine stopped.
Fuel Pressure
right after Ignition SW ON, with pump running:
Standard: 304kPa(3.1kgf/cm²,44psi)
after 3 seconds from Ignition SW ON, with pump
stopped:
Standard: 280 kPa (2.9 kgf/cm², 41 psi, residual
fuel pressure)
The system should hold the residual
pressure about 30 seconds.

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