Fuel Pump Unit - Honda CBR125R Owner's Manual

FUEL SYSTEM (PGM-FI)
FUEL FLOW INSPECTION
Relieve the fuel pressure and disconnect the quick
connect fitting (page 5-44).
Connect the special tool to the fuel pump joint.
Wipe off spilled out
gasoline.
TOOL:
Hose attachment, 6 mm/9 mm
Place the end of the hose into an approved gasoline
container.
Temporarily connect the battery negative (–) cable
and fuel pump 5P connector.
Turn the ignition switch ON (and engine stop switch
" ": CM and U type).
Measure the amount of fuel flow.
• The fuel pump operates for 2 seconds. Repeat 5
times so that the total measuring time.
• Return fuel to the fuel tank when the first fuel is
flowed.
Amount of fuel flow:
13.9 cm
seconds at 12 V
If fuel flow is less than specified, inspect the follow-
ing:
– Fuel pump unit (page 5-48)
– Clogged fuel filter (Assembly of the fuel pump
unit)
Connect the quick connect fitting (page 5-46).

FUEL PUMP UNIT

INSPECTION
Turn the ignition switch ON (and engine stop switch
" ": CM and U type) and confirm that the fuel pump
operates for 2 seconds.
If the fuel pump does not operate, inspect as fol-
lows:
Turn the ignition switch OFF.
Lift and support the fuel tank (page 3-6).
Disconnect the fuel pump 5P (Natural) connector.
5-48
07ZAJ-S5A0130
3
(0.47 US oz, 0.49 Imp oz) minimum/10
HOSE ATTACHMENT, 6 mm/9mm
5P (NATURAL) CONNECTOR