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Engine control system
43
EMU26803
Alert system
NOTICE
ECM00091
Do not continue to operate the engine if a
alert device has activated. Consult your
Yamaha dealer if the problem cannot be lo-
cated and corrected.
EMU41170
Overheat alert
The outboard motor is equipped with an over-
heat alert system. If the engine temperature
rises too high, the alert system will activate.
● The engine speed will automatically de-
crease to about 2000 r/min.
● The overheat-alert indicator will come on or
blink.
● The buzzer will sound.
If the alert system has activated, stop the en-
gine and check the cooling water inlet.
● Check the trim angle to check that the cool-
ing 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 pres-
sure 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.
● The buzzer will sound.
1. Overheat-alert indicator
ZMU07010
1
ZMU06297
1. Low oil pressure-alert indicator
ZMU07012
ZMU07013
1
U6CB10E0.book Page 43 Wednesday, September 30, 2009 9:49 AM