Yamaha RX10RTL, Supplemental Service Manual

Page: 42 / 355

INSP
ADJ
7. Adjust:
• throttle body synchronization
a. With throttle body #1 as standard, adjust
throttle bodies #2, #3, and #4 using the air
screws .
#1
, #2 , #3 , #4
NOTE: NOTE:
• After each step, rev the engine two or three
times, each time for less than a second, and
check the synchronization again.
• 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.
NOTE: NOTE:
The difference in vacuum pressure between
two throttle bodies should not exceed 1.33 kPa
(10 mmHg, 0.39 inHg).
Vacuum pressure at engine
idling speed
27.3 kPa
(205 mmHg, 8.0709 inHg)
11
SYNCHRONIZING THE THROTTLE BODIES