Fuel Pressure Inspection; Fuel Pump Relay Inspection - HYOSUNG Aquila GT250 Ej Service Manual

FUEL PRESSURE INSPECTION

Remove the front seat.
Place a rag under the fuel injector hose.
Disconnect the fuel injector hose from the fuel
hose joint.
Install the special tool between the fuel tank and
fuel hose joint.
Fuel pump pressure gauge
Turn the ignition switch to the "ON" position and
check the fuel pressure.
Fuel pressure
Approx. 2.25 ~ 2.50 kgf/cm
of fuel pump (220 ~ 245 kPa, 32.0 ~ 35.6 psi)
If the fuel pressure is lower than the specification,
inspect the following items :
* Fuel hose leakage
* Clogged fuel filter
* Pressure regulator
* Fuel pump
If the fuel pressure is higher than the specification,
inspect the following items :
* Fuel pump check valve
* Pressure regulator
WARNING
Before removing the special tool, turn the
ignition switch to the "OFF" position and
release the fuel pressure slowly.
Gasoline is highly flammable and explosive.
Keep heat, sparks and flame away.

FUEL PUMP RELAY INSPECTION

's fuel pump relay is located
inside the right side cover, and
located inside the right side cover.
Remove the right side cover.
( )
Remove the right side cover.
(
Remove the fuel pump relay
: 09915-54510
2
's fuel pump relay is
)
.
FUEL SYSTEM AND THROTTLE BODY 4-2-4
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