Engine control system
EMU26803
Alert system
ECM00091
NOTICE
Do not continue to operate the engine if a
alert device has activated. Consult your
Yamaha dealer if the problem cannot be
located and corrected.
EMU41170
Overheat alert
The outboard motor is equipped with an
overheat alert system. If the engine temper-
ature rises too high, the alert system will ac-
tivate.
The engine speed will automatically de-
crease to about 2000 r/min.
The overheat-alert indicator will come on
or blink.
1
1. Overheat-alert indicator
The buzzer will sound.
44
If the alert system has activated, stop the en-
gine and check the cooling water inlet.
Check the trim angle to check that the
cooling water inlet is submerged.
Check the cooling water inlet for clogging.
EMU41180
Low oil pressure alert
The outboard motor is equipped with a low
oil pressure alert system. If the engine oil
pressure is low, the alert system will activate.
The engine speed will automatically de-
crease to about 2000 r/min.
The low oil pressure-alert indicator will
come on or blink.
ZMU07010
1
1. Low oil pressure-alert indicator
The buzzer will sound.
ZMU06297
ZMU07012
ZMU07013