Replacing The Throttle Bodies; Installing The Injectors - Yamaha FZ09E 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.
a
••••••••••••••••••••••••••••••••
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 th rottle
bodies.
Refer to "SYNCHRONIZING THE THROT-
TLE BODIES" on page 3-8.
EA$1AC171~
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-
THROTILE BODIES
TLE BODIES" on page 3-8.
5. Place the vehicle on a suitable stand so that
the rear wheel is elevated.
6. Check:
• Engine idling speed
Start the engine, warm it up, and then mea-
sure the engine idling speed.
Engine idling speed
1100-1300 r/min
INSTALLING THE INJECTORS
ECAIRCl702
NOTICE
• Always use new 0-rings.
• When installing the injectors, do not allow
any foreign material to enter or adhere to
the injectors, fuel ra ils, or 0-rings.
• Be careful not to twist or pinch the 0-rings
when installing the injectors.
• When installing the injector, install it at the
same position as the removed cyllnder.
• If an Injector Is subject to strong shocks or
excessive force, replace It.
• If
installing the original fuel rail and bolts,
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.
1. Install a new seal onto the end of each injec-
tor.
2. Install the injectors to the fuel rail, making
sure to install them in the correct direction.
3. Install the injector assemblies to the adapter.
Fuel rail bolt
5
Nm
(0.5
m·kgf, 3.6 ft·lbf)
4. Check the injector pressure after the injectors
are installed to the throttle bodies.
Refer to "CHECKING THE INJECTOR
PRESSURE" on page 7-10.
EA.SIFIC17l5
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
7-10