Engine control system
33
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.
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 cooling
water inlet is submerged.
●
Check the cooling water inlet for clogging.
EMU26857
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 2000 r/min. The low oil
pressure-alert indicator will light or blink.
ZMU01757
ZMU02630
ZMU01828
U6D625E0.book Page 33 Thursday, March 13, 2008 9:06 AM
