Checking The Throttle Body Joints; Installing The Injectors; Checking The Injector Pressure - Yamaha XT1200Z(Z) 2010 Service Manual

b
L LLL L LLL L L LLL L
3. Adjust:
• Throttle bodies synchronizing
Out of specification → Replace the throttle
bodies.
Refer to "SYNCHRONIZING THE THROT-
TLE BODIES" on page 3-8.
EAS21010

CHECKING THE THROTTLE BODY JOINTS

1. Remove:
• Air filter case
Refer to "GENERAL CHASSIS" on page 4-1.
• Throttle bodies
Refer to "THROTTLE BODIES" on page 7-5.
2. Check:
• Throttle body joints "1"
Cracks/damage → Replace.
1
3. Install:
• Throttle bodies
Refer to "THROTTLE BODIES" on page 7-5.
• Air filter case
Refer to "GENERAL CHASSIS" on page 4-1.
EAS23P1081

INSTALLING THE INJECTORS

ECA23P1069
NOTICE
• Always use new O-rings.
• When checking the injectors, do not allow
any foreign material to enter or adhere to
the injectors, fuel rail, or O-rings.
• Be careful not to twist or pinch the O-rings
when installing the injectors.
a
L LLL L L LLL L L LLL L
• 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 to the specified
torque.
1. Install a new seals onto the end of each injec-
tor.
2. Install the injectors "1" to the fuel rail "2".
LLL
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 7-10.
EAS23P1082

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
M MMM M MMM M
a. Connect the injector pressure adapter "1" to
the fuel rail "2", and then connect an air com-
pressor "3" to the adapter.
b. Connect the pressure gauge "4" to the injec-
tor pressure adapter "1".
7-10
THROTTLE BODIES
2
1
Fuel rail screw
5 Nm (0.5 m·kgf, 3.6 ft·lbf)
M MMM M M MMM M M MMM M M MMM M MMM