FUEL SYSTEM AND THROTTLE BODY 6-5
FUEL PUMP INSPECTION
Turn the ignition switch ON and check that the fuel pump operates for few seconds.
If the fuel pump motor does not make operating sound, inspect the fuel pump circuit connections or inspect
the fuel pump relay and tip-over sensor.
If the fuel pump relay, tip-over sensor and fuel pump circuit connections are OK, the fuel pump may be
faulty, replace the fuel pump with a new one.
FUEL DISCHARGE AMOUNT INSPECTION
#
• Lift and support the fuel tank. (!6-3)
• Place a rag under the fuel feed hose and disconnect the fuel
feed hose 1 from the fuel delivery pipe.
• Place the measuring cylinder and insert the fuel feed hose
end into the measuring cylinder.
• Disconnect the fuel pump lead wire coupler 2.
• Connect a proper lead wire into the fuel pump lead wire cou-
pler (fuel pump side) and apply 12 volts to the fuel pump
(between Y/R wire and B/W wire) for 10 seconds and mea-
sure the amount of fuel discharged.
Battery + terminal (Yellow with red tracer)
Battery - terminal (Black with white 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:
168 ml (5.7/5.9 US/Imp oz) and more/10 sec.
NOTE:
The battery must be in fully charged condition.
Gasoline is highly flammable and explosive.
Keep heat, spark and flame away.
12 V
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