ENGINE
3-8
8. Release the switch to execute the selection.
9. Simultaneously press the “SELECT” and
“RESET” buttons to return to the cylinder se-
lection (step 5).
10.Turn the main switch to “OFF” to cancel the
mode.
EAS20610
ADJUSTING THE ENGINE IDLING SPEED
NOTE:
Prior to adjusting the engine idling speed, the
carburetor synchronization should be adjusted
properly, the air filter element should be clean,
and the engine should have adequate compres-
sion.
1. Remove:
● Right side cover
Refer to “GENERAL CHASSIS” on page 4-1.
2. Start the engine and let it warm up for several
minutes.
3. Install:
● Digital tachometer
(onto the spark plug lead of cylinder #1)
4. Check:
● Engine idling speed
Out of specification → Adjust.
5. Adjust:
● Engine idling speed
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Turn the idle adjust screw “1” in direction “a”
or “b” until the specified engine idling speed is
obtained.
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
6. Adjust:
● Throttle cable free play
Refer to “ADJUSTING THE THROTTLE CA-
BLE FREE PLAY” on page 3-8.
EAS20630
ADJUSTING THE THROTTLE CABLE FREE
PLAY
NOTE:
Prior to adjusting the throttle cable free play, the
engine idling speed and carburetor synchroniza-
tion should be adjusted properly.
1. Check:
● Throttle cable free play “a”
Out of specification → Adjust.
2. Remove:
● Center cover
● Left side cover
Digital tachometer
90890-06760
YU-39951-B
Engine idling speed
1100–1300 r/min
1
2
Direction “a”
Engine idling speed is increased.
Direction “b”
Engine idling speed is decreased.
Throttle cable free play
3.0–5.0 mm (0.12–0.20 in)
Throttle cable free play
3.0–5.0 mm (0.12–0.20 in)
1
a
b
a
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