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q
q
A diagnostic tachometer should be used
for this procedure.
1) Start the engine and allow it to warm
2) Adjust the throttle stop-screw 1 to
NOTE:
Correct idling-speed adjustment is only
possible if the engine is fully warmed-up.
If not warmed up fully, the speed setting
will tend to be too high. If you have diffi-
204026*
culty obtaining the specified idle, consult
a Yamaha dealer or other qualified
mechanic.
EMU00377
CHECKING WATER IN ENGINE OIL
TANK
There is a trap at the bottom of the engine
oil tank. If water or foreign matter is visi-
w
ble in this trap, consult a Yamaha dealer.
1 Trap
2 Engine oil tank
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4-14
up fully in Neutral until it is running
smoothly. If the outboard is mounted
on a boat, be sure the boat is tightly
moored.
set the idling speed to specification
(see "SPECIFICATIONS" on page 4-1)
by turning the stop-screw clockwise
to increase the idling speed, and turn-
ing it counterclockwise to decrease
the idling speed.
GB
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