Checking The Fuel Pump And Pressure Regulator Operation - Yamaha FZ6-SS Service Manual

THROTTLE BODIES
CHECKING THE FUEL PUMP AND
PRESSURE REGULATOR OPERATION
1. Check:
S fuel pump operation
Refer to "FUEL TANK" in chapter 3.
a. Remove the seat fuel tank.
Refer to "SEAT AND FUEL TANK" in chapter
3.
b. Connect the pressure gauge 1 and adapter
2 onto the fuel injection pipe.
Pressure gauge
90890-03153, YU-03153
Adapter
90890-03176, YM-03176
c. Install the fuel tank.
Refer to "FUEL TANK" in chapter 3.
d. Start the engine.
e. Measure the fuel pressure.
Fuel pressure
250 kPa (2.5 kg/cm
Faulty ! Replace the fuel pump assembly.
7-29
FI
2
, 36.3 psi)