Fuel Pump Inspection - Suzuki GSX1400 Service Manual

4-50 FI SYSTEM

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
Gasoline is highly flammable and explosive.
Keep heat, spark and flame away.
• Remove the seat and frame side covers, left and right. (
• Lift and support the fuel tank with a proper stay. (
• Disconnect the fuel feed hose from the fuel delivery pipe.
• Place the measuring cylinder and insert the fuel feed hose end
into the measuring cylinder.
• Disconnect the ECM lead wire coupler.
• Push the lock A to pull out the power source lead wire (Yellow
with red tracer).
• Apply 12 volts to the fuel pump for 30 seconds and measure the
amount of fuel discharged.
Battery + terminal –––– Power source lead wire 1
If the discharge amount is not specified it means that the fuel pump
is defective or that the fuel filter is clogged.
Fuel discharge amount: Approx. 1 200 ml/30 sec.
NOTE:
The battery must be in fully charged condition.
www.GSX1400FE.com
(Yellow with red tracer)
(1.3/1.1 US/Imp oz)/30 sec.
6-3)
4-48)