Engine Control System; Alert System; Overheat Alert - Yamaha 40V Owner's Manual

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.
EMU2681C

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.

Engine control system

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-
●
ZMU04766
ing water inlet is submerged.
Check the cooling water inlet for clogging.
●
ZMU03364
ZMU01757
ZMU03025
ZMU03026
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