3-5
E
INSP
ADJ
CONTROL SYSTEM
ADJUSTING THE ENGINE IDLING
SPEED
3
1. Measure:
• Engine idling speed
Out of specification
→
Adjust.
Engine idling speed
730
±
30 r/min
Measuring steps
(1) Start the engine and allow it to warm
up for a few minutes.
(2) Install the tachometer onto the spark
plug lead of cylinder #1.
Tachometer
YU-08036-A / 90890-06760
3082
2. Adjust:
• Engine idling speed
Adjustment steps
(1) Loosen the pickup adjustment screw
1
.
(2) Align the center of the throttle control
lever cam roller
2
with the mark
a
.
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(3) Turn the throttle stop screw
3
in direc-
tion
b
or
c
until the specified engine
idling speed is obtained.
Direction
b
Engine idling speed
increases.
Direction
c
Engine idling speed
decreases.
3090