3 - 17
CHK
ADJ
ADJUSTING THE ENGINE IDLING SPEED/
ADJUSTING THE THROTTLE CABLE FREE PLAY
3. Install:
• engine tachometer
(onto the ignition coil of cylinder #1)
NOTE:
Refer to “SYNCHRONIZING THE THROT-
TLE BODIES” for the engine tachometer
installation.
4. Measure:
• engine idling speed
Out of specification → Adjust.
Engine tachometer
90890-06760
Engine idling speed
1,000 ~ 1,200 r/min
5. Adjust:
• engine idling speed
▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼
a. Turn the throttle stop 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
CABLE FREE PLAY”.
Direction a
Engine idling speed is
increased.
Direction b
Engine idling speed is
decreased.
Throttle cable free play
(at the flange of the throttle
grip)
3 ~ 5 mm (0.12 ~ 0.20 in)
aa
bb
11
EB303031
ADJUSTING THE THROTTLE CABLE FREE
PLAY
NOTE:
Prior to adjusting the throttle cable free
play, the engine idling speed and throt-
tle body synchronization should be
adjusted properly.