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EMM40100
ADJUSTING IDLING SPEED
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8 Do not touch or remove electrical parts
8 Keep hands, hair and clothes away
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This procedure must be performed while
the outboard motor is in the water. A
flushing attachment or test tank can be
used.
NOTE:
A diagnostic tachometer should be used
for this procedure.
1) Start the engine and allow it to warm
2) Adjust the throttle stop-screw to set
NOTE:
Correct idling-speed adjustment is only
possible if the engine is fully warmed-up.
q
If not warmed up fully, the speed setting
will tend to be too high.
If you have difficulty obtaining the speci-
fied idle, consult a Yamaha dealer or
other qualified mechanic.
000204
1 Throttle stop-screw
4-24
when starting or during operation.
from flywheel and other rotating parts
while engine is running.
up fully in Neutral until it is running
smoothly.
If the outboard is mounted on a boat,
be sure the boat is tightly moored.
the idling speed to specification (see
"SPECIFICATIONS") by turning the
stop-screw clockwise to increase the
idling speed, and turning it counter-
clockwise to decrease the idling speed.
GB
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