Yamaha F4, Руководство по обслуживанию

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CONTROL SYSTEM
INSP
ADJ E
3-4
a
b
1
1
a
b
2. Adjust:
9 Idling speed
Adjustment steps:
8
Turn the throttle stop screw
1
in di-
rection
a
or
b
until the specified
idling speed is obtained.
Turning in
a a
®
Idling speed increases.
Turning out
b b
®
Idling speed decreases.
Idling speed (Except for USA)
NOTE:
Before adjusting the idling speed, the throt-
tle cable slack should be properly adjusted.
1. Turn the pilot screw
1
until it is lightly
seated.
2. Turn the pilot screw
1
in direction
a
or
b
until the idling speed is at highest
position by the specified number of
turns.
Pilot screw:
1-7/8 ± 1/2 turns out
Measurement steps:
8
Start the engine and allow it to warm
up for a few minutes.
8
Attach the tachometer to the spark
plug lead of cylinder.
Tachometer:
YU-08036-A/90890-06760
3. Measure:
9 Idling speed
Out of specification
®
Adjust.
Idling speed:
1,500 ± 50 r/min.
Measurement steps:
8
Start the engine and allow it to warm
up for a few minutes.
8
Attach the tachometer to the spark
plug lead of cylinder.
Tachometer:
YU-08036-A