Removing The Throttle Body; Checking The Fuel Injector; Checking The Throttle Body; Installing The Throttle Body - Yamaha WR125R 2009 Service Manual

EAS22B1020

REMOVING THE THROTTLE BODY

1. Remove:
• Throttle body
ECA22B1007
NOTICE
Do not remove the throttle body sensor as-
sembly "1" from the throttle body.
1
EAS22B1021

CHECKING THE FUEL INJECTOR

1. Check:
• Fuel injector
Damage → Replace.
EAS26990

CHECKING THE THROTTLE BODY

1. Check:
• Throttle body
Cracks/damage → Replace the throttle body.
2. Check:
• Fuel passages
Obstruction → Clean.
M MMM M MMM M M MMM M
a. Wash the throttle body in a petroleum-based
solvent.
Do not use any caustic carburetor cleaning
solution.
b. Blow out all of the passages with compressed
air.
L LLL L LLL L L LLL L
EAS22B1022

INSTALLING THE THROTTLE BODY

1. Install:
• Throttle body joint clamps
TIP
Align the projections "a" on the throttle body joint
with the slot "b" in each throttle body joint clamp.
M MMM M M MMM M M MMM M
L LLL L L LLL L L LLL L
2. Install:
• Throttle body joint
TIP
Align the projection "a" on the throttle body joint
with the slot "b" in the intake manifold.
3. Install:
• Throttle body
TIP
Align the projection "a" on the throttle body with
the slot "b" in the throttle body joint.
MMM
LLL
4. Adjust:
• Throttle cable free play
Refer to "ADJUSTING THE THROTTLE CA-
BLE FREE PLAY" on page 3-6.
7-7
THROTTLE BODY
a
b
b
b
a
a