THROTTLE BODIES
7-16
EAS30481
CHECKING THE INJECTOR PRESSURE
• After installing the fuel injectors, perform the
following steps to check the injector pressure.
• Do not allow any foreign materials to enter the
fuel lines.
1. Check:
• Injector pressure
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a. Connect the fuel injector pressure adapter “1”
to the fuel rail “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”.
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.
ECA18440
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
for about one minute.
Pressure drops → Check the pressure gauge
and adapter.
Check the seals and O-rings, and then rein-
stall.
Replace the fuel injectors.
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EAS30482
CHECKING THE FUEL PRESSURE
1. Remove:
• Rider seat
Refer to “GENERAL CHASSIS (1)” on page
4-1.
• Fuel tank top cover
• Fuel tank cover (left)
• Fuel tank cover (right)
• Fuel tank center cover
• Fuel tank front cover
Refer to “GENERAL CHASSIS (4)” on page
4-11.
2. Check:
• Fuel pressure
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a. Remove the rear fuel tank bracket bolts “1”
and holdup the fuel tank.
ECA20070
When lifting up the fuel tank, be careful not
to pull the fuel tank overflow hose and fuel
tank breather hose.
b. Disconnect the fuel hose “2” from the fuel
tank.
EWA16640
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 hoses.
ECA20010
Be sure to disconnect the fuel hose by hand.
Do not forcefully disconnect the hose with
tools.
Pressure gauge
90890-03153
Pressure gauge
YU-03153
Fuel injector pressure adapter
90890-03210
Fuel injector pressure adapter
YU-03210
Specific air pressure
490 kPa (4.9 kgf/cm
2
, 69.7 psi)
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