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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.
EMU26837
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 3000 r/min.
●
The overheat-alert indicator will light or
blink.
●
The buzzer will sound.
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.
EMU26865
Low oil pressure alert
If the oil pressure drops too low, the alert de-
vice will activate.
●
The engine speed will automatically de-
crease to about 3000 r/min. The low oil
pressure-alert indicator will light or blink.
ZMU04227
ZMU05231
ZMU03025
ZMU02630
