Fuel Pump Unit - Honda CBR650F Service Manual

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FUEL SYSTEM

FUEL PUMP UNIT

INSPECTION
Turn the ignition switch ON with the engine stop switch
" " and confirm that the fuel pump operates for 2
seconds.
If the fuel pump does not operate, inspect as follows:
Turn the ignition switch OFF.
Lift the fuel tank and support it (page 3-4).
Disconnect the fuel pump 3P (Black) connector [1].
Turn the ignition switch ON with the engine stop switch
" ".
Measure the voltage between the terminals of the wire
harness side fuel pump 3P (Black) connector [1].
CONNECTION: Black (+) – Green/red (–)
There should be battery voltage for 2 seconds.
If there is battery voltage, replace the fuel pump unit.
If there is no voltage, inspect the following:
– Green/red wire between the fuel pump and ground
for open circuit
– Black wire between the fuel pump relay and fuel
pump for open circuit
– Fuel pump relay and its circuits (page 7-19)
– ECM (page 4-36)
REMOVAL/INSTALLATION
Remove the fuel tank (page 7-7).
Clean around the fuel pump.
Loosen the six mounting nuts [1] in a crisscross pattern
in several steps and remove them.
Remove the fuel pump unit [2] and rubber seal [3].
Be careful not to
deform the float arm
of the fuel level
sensor.
7-8
[1]
Bl G/R
[1]
[1]
[2]
[3]