Carburetor Pickup Timing Check And Adjustment - Yamaha F100A Wartungshandbuch

INSP
ADJ
CONTROL SYSTEM
Carburetor pickup timing check and adjust-
ment
1. Check:
Carburetor pickup timing
Incorrect → Adjust.
Checking steps:
Return the throttle control lever to the
fully closed position.
Check that the mark B on the accelera-
tor cam aligns with the center of the
carburetor synchronization rod A as
shown.
2. Adjust:
Throttle link
Adjustment steps:
Move the throttle control lever 3 until
it touches the fully closed stopper 4 .
Make sure that the throttle is fully
closed, and align the fully closed mark
B on the accelerator cam 5 with the
center of the carburetor synchroniza-
tion rod A.
NOTE:
Make sure that there is complete clear-
ance between the carburetor throttle roller
6 and the cam surface.
Adjust the length of the joint link 2,
and securely tighten the nut 1.
Move the throttle control lever 3 to
check that the throttle valve opens and
closes smoothly. Also, make sure that
the carburetor throttle roller 6 moves
freely to the fully open position 7 on
the accelerator cam 5 .
Set the throttle to the fully closed posi-
tion and check that the fully closed
mark B aligns with the center of the
synchronization rod A.
Make sure that there is no interference
between the throttle control lever 3
and the throttle sensor lead 8.
3-5
E