Replacing The Throttle Bodies; Installing The Injectors; Checking The Injector Pressure - Yamaha FZ09E 2014 Service Manual

• Do not allow carbon deposits or other for-
eign materials to enter any of the passages
in each throttle body or in the space be-
tween the throttle valve shaft and the throt-
tle body.
f. After removing the carbon deposits, clean the
inside of the throttle bodies with the recom-
mended cleaning solvent, and then dry the
throttle bodies using compressed air.
g. Make sure that there are no carbon deposits
or other foreign materials in any of the pas-
sages "a" in each throttle body or in the space
"b" between the throttle valve shaft and the
throttle body.
b
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
3. Install the throttle bodies.
4. Reset:
• ISC (idle speed control) learning values
Use the diagnostic code number "67".
Refer to "SELF-DIAGNOSTIC FUNCTION
AND DIAGNOSTIC CODE TABLE" on page
9-5.
5. Adjust:
• Throttle bodies synchronizing
Out of specification  Replace the throttle
bodies.
Refer to "SYNCHRONIZING THE THROT-
TLE BODIES" on page 3-8.
EAS1RC1714

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" on page
9-5.
4. Adjust:
• Throttle bodies synchronizing
Refer to "SYNCHRONIZING THE THROT-
5. Place the vehicle on a suitable stand so that
6. Check:
EAS1RC1705

INSTALLING THE INJECTORS

ECA1RC1702
NOTICE
• Always use new O-rings.
a
• When installing the injectors, do not allow
• Be careful not to twist or pinch the O-rings
• When installing the injector, install it at the
• If an injector is subject to strong shocks or
• If installing the original fuel rail and bolts,
1. Install a new seal onto the end of each injec-
2. Install the injectors to the fuel rail, making
3. Install the injector assemblies to the adapter.
4. Check the injector pressure after the injectors
EAS1RC1715

CHECKING THE INJECTOR PRESSURE

TIP
• After installing the injectors, perform the follow-
• Do not allow any foreign materials to enter the
1. Check:
7-10
THROTTLE BODIES
TLE BODIES" on page 3-8.
the rear wheel is elevated.
• Engine idling speed
Start the engine, warm it up, and then mea-
sure the engine idling speed.
Engine idling speed
1100–1300 r/min
any foreign material to enter or adhere to
the injectors, fuel rails, or O-rings.
when installing the injectors.
same position as the removed cylinder.
excessive force, replace it.
remove the white paint marks using a
cleaning solvent. Otherwise, paint chips on
the bolt seats could prevent the bolts from
being tightened to the specified torque.
tor.
sure to install them in the correct direction.
Fuel rail bolt
5 Nm (0.5 m·kgf, 3.6 ft·lbf)
are installed to the throttle bodies.
Refer to "CHECKING THE INJECTOR
PRESSURE" on page 7-10.
ing steps to check the injector pressure.
fuel lines.
• Injector pressure