Suzuki DL650 Service Manual page 219

FUEL SYSTEM AND THROTTLE BODY 5.9
FUEL PUMP INSPECTION
Turn the ignition switch ON and check that the fuel pump oper-
ates for few seconds.
If the fuel pump motor does not make operating sound, replace
the fuel pump assembly or inspect the fuel pump relay and tip
over sensor.
FUEL DISCHARGE AMOUNT INSPECTION
I
Gasoline is highly flammable and explosive.
I
I
Keep heat, spark and flame away.
I
-
Lift and support the fuel tank.
(-5-7)
Disconnect the fuel feed hose from the fuel tank.
Connect a proper fuel hose to the fuel pump.
Place the measuring cylinder and insert the fuel hose end into
the measuring cylinder.
Disconnect the ECM lead wire coupler from the ECM.
Push the lock
@J
to pull out the power source lead wire (Yel-
low with black tracer @).
Connect the ECM to the ECM lead wire coupler.
Apply 12 volts to the fuel pump for 10 seconds and measure
the amount of fuel discharged.
Battery
@
terminal
-
Power source lead wire
(Yellow with black tracer)
If the pump does not discharge the amount specified, it means
that the fuel pump is defective or that the fuel filter is clogged.
Fuel discharge amount: MIN. 168 ml
(5.715.9 USllmp oz)llO sec.
NOTE:
The battery must be in fully charged condition.