ADJUSTING THE ENGINE IDLING SPEED
CHK
ADJ
NOTE:
a
b
ENGINE
EAS00054
ADJUSTING THE ENGINE IDLING SPEED
Prior to adjusting the engine idling speed, the air
filter should be clean, and the engine should
have adequate compression.
1. Start the engine and let it warm up for several
minutes.
2. Install:
S
engine tachometer
(to the spark plug lead)
Engine tachometer
90890-03113
3. Measure:
S
engine idling speed
Out of specification
!
Adjust.
Engine idling speed
1,450
X
1,650 r / min
4. Adjust:
S
engine idling speed
a. Turn the pilot screw
1
in or out until it is light-
ly seated.
b. Turn the pilot screw out the specified number
of turns.
Pilot screw
1-1 / 2 turns out
c. Turn the throttle stop screw
2
in direction
a
or
b
until the specified engine idling speed is
obtained.
Direction
!
Engine idling speed is
increased.
Direction
!
Engine idling speed is
decreased.
5. Adjust:
S
throttle cable free play
Refer to “ADJUSTING THE THROTTLE
CABLE FREE PLAY”.
Throttle cable free play
(at the flange of the throttle grip)
3
X
5 mm
–18–
Summary of Contents for 2002 TW125
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