Yamaha YZF-R1S Service Manual - page 383
7-39
THROTTLE BODIES
FI
CAUTION:
EAS00911
The throttle bodies should not be disas-
sembled.
EAS00912
CHECKING THE INJECTORS
1. Check:
Sinjectors
Damage
! Replace.
EAS00913
CHECKING THE THROTTLE BODIES
1. Check:
Sthrottle bodies
Cracks / damage
! Replace the throttle bo-
dies as a set.
2. Check:
Sfuel passages
Obstructions
! Clean.
a. Wash the throttle bodies in a petroleum-
based solvent.
Do not use any caustic carburetor cleaning
solution.
b. Blow out all of the passages with com-
pressed air.
EAS00095
CHECKING THE THROTTLE BODY JOINTS
The following procedure applies to all of the
throttle body joints and intake manifolds.
1. Remove:
Sthrottle bodies
Refer to “THROTTLE BODIES”.
2. Check:
Sthrottle body joints
1
Cracks / damage
! Replace.
3. Install:
Sthrottle bodies
Refer to “THROTTLE BODIES”.