Yamaha YZF-R1K Service Manual page 86

3
ADJUSTING THE ENGINE IDLING SPEED
2. Remove:
• air filter case
• quick fasteners 1
Refer to "AIR FILTER CASE AND IGNI-
TION COIL PLATE".
3. Install:
• inductive tachometer
(onto the spark plug lead of cylinder #1)
Inductive tachometer
YU-8036-A
4. Install:
• air filter case
Refer to "AIR FILTER CASE AND IGNI-
TION COIL PLATE".
5. Measure:
• engine idling speed
Out of specification → Adjust.
Engine idling speed
1,050 ~ 1,150 r/min
6. Adjust:
• engine idling speed
a. Turn the throttle stop screw 1 in
direction a or b until the specified
engine idling speed is obtained.
Engine idling speed is
Direction a
increased.
Engine idling speed is
Direction b
decreased.
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CHK
ADJ