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Engine control system
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
located and corrected.
EMU2681A
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 will light or
blink.
●
The buzzer will sound (if equipped on the
tiller handle, remote control box, or main
switch panel).
If the alert system has activated, stop the en-
gine and check the cooling water inlets:
●
Check trim angle to be sure that the cool-
ing water inlet is submerged.
●
Check the cooling water inlet for clogging.
EMU26848
Oil level alert and oil filter clogging
alert
Oil injection models
This engine has an oil level alert system. If
the oil level falls below the lower limit, the
alert system will activate.
Activation of alert device
●
Engine speed will automatically decrease
to about 2000 r/min.
ZMU04766
ZMU01757
ZMU03026