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THROTTLE BODIES
CHECKING THE FUEL PUMP AND
PRESSURE REGULATOR OPERATION
1. Check:
• fuel pump operation
Refer to "SEAT AND FUEL TANK" in
CHAPTER 5.
a. Remove the seat and fuel tank.
Refer to "SEAT AND FUEL TANK" in
CHAPTER 5.
b. Connect the pressure gauge
adapter
onto the fuel injection pipe.
Pressure gauge
90890-03153, YU-03153
Adapter
90890-03176, YM-03176
c. Install the fuel tank.
Refer to "SEAT AND FUEL TANK" in
CHAPTER 5.
d. Start the engine.
e. Measure the fuel pressure.
Fuel pressure
250 kPa (2.5 kg/cm
Faulty → Replace the fuel pump assembly.
89
FI
and
2
, 36.3 psi)
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Troubleshooting
