Checking The Fuel Pressure - Yamaha TMAX XP530E-A 2017 Service Manual

▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Connect the fuel injector pressure adapter "1"
to the fuel rail joint "2", and then connect an
air compressor "3" to the adapter.
b. Connect the pressure gauge "4" to the fuel in-
jector pressure adapter "1".
Pressure gauge
90890-03153
Pressure gauge
YU-03153
Fuel injector pressure adapter
90890-03210
Fuel injector pressure adapter
YU-03210
c. Close the valve on the fuel injector pressure
adapter.
d. Apply air pressure with the air compressor.
e. Open the valve on the fuel injector pressure
adapter until the specified pressure is
reached.
Specified air pressure
490 kPa (5.0 kgf/cm², 71.1 psi)
ECA17600
NOTICE
Never exceed the specified air pressure or
damage could occur.
f. Close the valve on the fuel injector pressure
adapter.
g. Check that the specified air pressure is held
at least one minute.
Pressure drops  Check the pressure gauge
and adapter.
Check the seals and O-rings and then rein-
stall.
Out of specification  Replace the fuel injec-
tors.
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
EAS30482

CHECKING THE FUEL PRESSURE

1. Check:
• Fuel pressure
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Remove the bottom side cowling, side panel
and bottom center cowling.
Refer to "GENERAL CHASSIS (1)" on page
4-1.
b. Remove the center cover, fuel tank cover as-
sembly, side cover and footboard.
Refer to "GENERAL CHASSIS (2)" on page
4-11.
c. Remove the fuel tank bolt and hold up the fuel
tank.
d. Disconnect the fuel hose "1" from the fuel
pump.
Refer to "REMOVING THE FUEL TANK" on
page 7-3.
EWA17320
WARNING
Cover fuel hose connections with a cloth
when disconnecting them. Residual pres-
sure in the fuel lines could cause fuel to
spurt out when removing the hose.
ECA17490
NOTICE
Be sure to disconnect the fuel hose by hand.
Do not forcefully disconnect the hose with
tools.
e. Connect the pressure gauge "2" and fuel
pressure adapter "3" to the fuel hose.
Pressure gauge
90890-03153
Pressure gauge
YU-03153
Fuel pressure adapter
90890-03186
Fuel pressure adapter
YM-03186
7-12
THROTTLE BODY
1