Yamaha YZF-R6T Supplementary Service Manual page 200

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SYNCHRONIZING THE THROTTLE BODIES
5. Install:
S air filter case
Refer to "AIR FILTER CASE".
S fuel tank
Refer to "FUEL TANK".
6. Start the engine and let it warm up for several
minutes.
7. Measure:
S engine idling speed
Out of specification ! Adjust.
Refer to "ADJUSTING THE ENGINE IDLING
SPEED".
Engine idling speed
1,250 X 1,350 r/min
8. Adjust:
S throttle body synchronization
a. With throttle body #3 as standard, adjust
throttle bodies #1, #2, and #4 using the air
screws 1 .
NOTE:
S After each step, rev the engine two or three
times, each time for less than a second, and
check the synchronization again.
S If the air screw is removed, turn the screw 3/4
turn in and be sure to synchronize the throttle
body.
CAUTION:
Do not use the throttle valve adjusting
screws to adjust the throttle body synchro-
nization.
Carburetor angle driver
90890-03158
Vacuum pressure at engine
idling speed
24 kPa
(180 mmHg, 7.0872 inHg)
NOTE:
The difference in vacuum pressure between
two throttle bodies should not exceed 1.33 kPa
(10 mmHg, 0.39 inHg).
3-17
CHK
ADJ