Yamaha TMAX XP530E-A 2017, Service Manual

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THROTTLE BODY
7-11
aged.
• 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.
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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 (ECU)” 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 3-9.
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. Adjust:
• Throttle bodies synchronizing
Refer to “SYNCHRONIZING THE THROT-
TLE BODIES” on page 3-9.
5. Place the vehicle on a maintenance 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.
EAS30480
INSTALLING THE INJECTORS
NOTICE
ECA21550
• Always use new O-rings.
• When installing the injectors, do not allow
any foreign material to enter or adhere to
the injectors, fuel rails, or O-rings.
• Be careful not to twist or pinch the O-rings
when installing the injectors.
• When installing the injector, install it at the
same position as the removed cylinder.
• 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 assembly to the intake
manifold.
4. Check the injector pressure after the injectors
are installed.
Refer to “CHECKING THE INJECTOR
PRESSURE” on page 7-11.
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
a
b
Engine idling speed
1100–1300 r/min
Fuel rail bolt
3.5 N·m (0.35 kgf·m, 2.6 lb·ft)
T
R
.
.