Adjusting The Engine Idling Speed - Yamaha F6Z Service Manual

CONTROL SYSTEM
ADJUSTING THE ENGINE IDLING
SPEED
NOTE:
Before adjusting the engine idling speed,


make sure the throttle axle link is
properly adjusted.
Before adjusting the engine idling speed,


warm-up the engine. Correct adjustment
cannot be obtained when the engine is
cold.
1. Measure:
Engine idling speed


Out of specification
Engine idling speed:
1,050 ± 50 r/min
Measuring steps:
(1)Start the engine and allow it to warm
up for several minutes.
(2)Attach the engine tachometer 1 to the
spark plug lead 2 of the cylinder #1.
Engine tachometer:
YU-08036-A/90890-06760
(3)Measure the engine idling speed.
2. Adjust:
Engine idling speed


Adjusting steps:
(1)Turn the throttle stop screw 3 in
a
direction
engine idling speed is obtained.
a
Direction
b
Direction
3-7
Adjust.

b
or until the specified
Engine idling speed
increases.
Engine idling speed
decreases.