Engine control system
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Alert system
ECM00093
NOTICE
Do not continue to operate the engine if an
alert device has activated. Consult your
Yamaha dealer if the problem cannot be
located and corrected.
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Overheat alert
This engine has an overheat-alert device. If
the engine temperature rises too high, the
alert device will activate.
The engine speed will automatically de-
crease to about 2000 r/min.
The overheat-alert indicator of the 6Y8
Multifunction Tachometer will light or blink.
The pop-up window will appear on the
Multi-Display.
The buzzer will sound.
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If the alert system has activated, stop the en-
gine and check the cooling water inlets:
Check trim angle to be sure that the cooling
water inlet is submerged.
Check the cooling water inlet for clogging.
Twin engine drive users:
If the overheat alert system of one engine ac-
tivates, the engine will slow down. To switch
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off the alert activation on the engine not af-
fected by overheating, turn off the main
switch of the engine overheating. If the alert
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