Checking The Injectors; Checking The Throttle Bodies; Checking The Throttle Body Joints - Yamaha YZF-R1S Service Manual

THROTTLE BODIES
EAS00911
CAUTION:
The throttle bodies should not be disas-
sembled.
EAS00912

CHECKING THE INJECTORS

1. Check:
S injectors
Damage ! Replace.
EAS00913

CHECKING THE THROTTLE BODIES

1. Check:
S throttle bodies
Cracks/damage ! Replace the throttle bo-
dies as a set.
2. Check:
S fuel 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:
S throttle bodies
Refer to "THROTTLE BODIES".
2. Check:
S throttle body joints 1
Cracks/damage ! Replace.
3. Install:
S throttle bodies
Refer to "THROTTLE BODIES".
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FI