Fuel Pressure Inspection - Yamaha RS90GTZ Service Manual

THROTTLE BODY

FUEL PRESSURE INSPECTION

1. Inspect:
• Fuel pressure
Measurement steps:
• Remove the fuel hose connector holder, and
then disconnect the fuel hose.
Refer to "FUEL TANK" in CHAPTER 5.
• Connect the fuel pressure adapter
between the fuel hose
• Connect the pressure gauge
pressure adapter.
Pressure gauge:
YU-03153
90890-03153
Fuel pressure adapter:
YM-03176
90890-03176
• Start the engine.
• Measure the fuel pressure.
Fuel pressure:
324 kPa (3.24 kg/cm
Faulty → Replace the fuel pump.
7-37
FI
and fuel pump .
to the fuel
2
, 47.0 psi)