CHK
ADJ
3-7
6S35H11
Periodic check and adjustment
4.
If the specified engine idle speed cannot
be obtained, adjust the pilot screws.
NOTE:
When adjust the pilot screws, adjust it in the
all of cylinders.
Checking the stopper and throttle
link position
1.
Measure the length of throttle link rod.
2.
Measure the length of stopper.
3.
Adjust the length of the stopper and throt-
tle link rod if out of specification.
Checking the engine idle speed
NOTE:
Before cheking the engine idle speed, the
pilot screws should be properly adjusted.
1.
Attach the special service tool
1
to the
spark plug wire #1
2
.
2.
Start the engine and warm it up for 5 min-
utes, and then check the engine idle
speed. Adjust if out of specification.
NOTE:
Verify the stability of the engine idling speed.
3.
Turn the throttle stop screw
3
in direction
a
or
b
until the specified engine idle
speed is obtained.
NOTE:
9
To increase the idle speed, turn the throttle
stop screw in direction
a
.
9
To decrease the idle speed, turn the throttle
stop screw in direction
b
.
6S330230
a
b
3
6S330220
1
2
Digital tachometer
1
: 90890-06760
b
6S330290
Length (reference):
a
: 76 mm (2.99 in)
b
: 31 mm (1.22 in)
Engine idle speed:
675–725 r/min
a
6S330300
6S35H11_03 9/9/05 1:12 PM Page 8
Summary of Contents for 250GETO
Page 1: ...L250G SERVICE MANUAL 6S3 28197 5H 116 250G 250G L250G ...
Page 4: ......
Page 135: ... MEMO 9 8 7 6 5 4 3 2 1 6S35H11 5 48 ...
Page 201: ...6S35H11 6 64 9 8 7 6 5 4 3 2 1 MEMO ...
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Page 292: ...YAMAHA MOTOR CO LTD Printed in Japan Aug 2005 1 4 1 E_2 Printed on recycled paper 250G L250G ...