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Yamaha F4A - Control System; Throttle Cable; Idling Speed (for USA)

Yamaha F4A
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CONTROL SYSTEM
INSP
ADJ
E
3-3
503012
1
2
3
Idling speed (for USA)
NOTE:
Before adjusting the idling speed, the throt-
tle cable slack should be properly adjusted.
1. Measure:
9Idling speed
Out of specification ® Adjust.
Idling speed:
1,500 ± 50 r/min.
CONTROL SYSTEM
Throttle cable
NOTE:
Make sure to check the idling speed, after
adjusting the throttle cable.
1. Inspect:
9Throttle cable
Slack ® Adjust.
Damage ® Replace.
2. Adjust:
9Throttle cable set condition
Adjustment steps:
8 Turn the throttle grip in arrow direc-
tion and hole to fully closed position.
8 Enough to loosen the throttle stop
screw 1.
8 Loosen the throttle cable locking
screw 2 and keeping the throttle
lever on the carburetor fully in the
closed position by turning in arrow
direction.
8 Check the throttle cable 3 with no
(noticeable) slack, then tighten the
throttle cable locking screw 2.
8 Make sure the throttle lever on the
carburetor fully open and fully closed
in operation by turning the throttle
grip.
8 If the throttle lever does not operate
in the fully opened position, re-adjust
the throttle cable.

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