Yamaha FT8DMH Service Manual

3-7
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

Adjust.
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.
(3)Measure the engine idling speed.
2. Adjust:

Engine idling speed
Adjusting steps:
(1)Turn the throttle stop screw
3
in
direction
a
or
b
until the specified
engine idling speed is obtained.
Engine idling speed:
1,050 ± 50 r/min
Engine tachometer:
YU-08036-A/90890-06760
Direction
a
Engine idling speed
increases.
Direction
b
Engine idling speed
decreases.

Yamaha FT8DMH Specifications

General

Brand	Yamaha
Model	FT8DMH
Category	Outboard Motor
Language	English