Yamaha FJR13AG Service Manual page 464

Refer to "SELF-DIAGNOSTIC FUNCTION
AND DIAGNOSTIC CODE TABLE (ECU)" on
page 9-5.
6. Adjust:
• Throttle bodies synchronizing
Out of specification → Replace the throttle
bodies.
Refer to "SYNCHRONIZING THE THROT-
TLE BODIES" on page 3-8.
EAS30792
CHECKING THE THROTTLE BODY JOINTS
1. Check:
• Throttle body joints "1"
Cracks/damage → Replace.
1
EAS31160
REPLACING THE THROTTLE BODIES
1. Remove the throttle bodies from the vehicle.
2. Install a new throttle bodies to the vehicle.
3. Reset:
• ISC (idle speed control) learning values
Use the diagnostic code number "67".
Refer to "SELF-DIAGNOSTIC FUNCTION
AND DIAGNOSTIC CODE TABLE (ECU)" on
page 9-5.
4. Reset:
• O feedback learning values
2
Use the diagnostic code number "87".
Refer to "SELF-DIAGNOSTIC FUNCTION
AND DIAGNOSTIC CODE TABLE (ECU)" on
page 9-5.
5. Adjust:
• Throttle bodies synchronizing
Refer to "SYNCHRONIZING THE THROT-
TLE BODIES" on page 3-8.
6. Place the vehicle on the centerstand so that
the rear wheel is elevated.
7. Check:
• Engine idling speed
Start the engine, warm it up, and then mea-
sure the engine idling speed.
Engine idling speed
950–1150 r/min
1
7-9
THROTTLE BODIES
EAS30480
INSTALLING THE INJECTORS
ECA23351
NOTICE
• Always use new O-rings and seals.
• When checking the injectors, do not allow
any foreign material to enter or adhere to
the injectors, fuel rail, O-rings, or seals.
• Be careful not to twist or pinch the O-rings
when installing the injectors.
• If an injector is subject to strong shocks or
excessive force, replace it.
• If installing the original fuel rail and screws,
remove the white paint marks using a
cleaning solvent. Otherwise, paint chips on
the screw seats could prevent the screws
from being tightened.
1. Install new O-rings and seals onto the end of
each injector.
2. Install the injectors "1" to the fuel rail "2".
Fuel rail screw
5 Nm (0.5 m·kgf, 3.6 ft·lbf)
3. Install the injector assemblies to the throttle
bodies.
4. Check the injector pressure after the injectors
are installed to the throttle bodies.
Refer to "CHECKING THE INJECTOR
PRESSURE" on page 7-9.
EAS30481
CHECKING THE INJECTOR PRESSURE
TIP
• After installing the injectors, perform the follow-
ing 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 injector pressure adapter "1" to
the fuel rail "2", and then connect an air com-
pressor "3" to the adapter.
2
New
1
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