Engine Control System; Alert System; Overheat Alert (Twin Engines) - Yamaha LF115 Owner's Manual

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Alert system

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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.
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Overheat alert (twin engines)

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 2000–3500 r/min.
The overheat-alert indicator will light or
●
blink.
The buzzer will sound.
●

Engine control system

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.
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Check the cooling water inlet for clogging.
●
Dual engine drive users:
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If the overheat alert system of one engine ac-
tivates, the engine will slow down. To switch
off the alert activation on the engine not af-
fected by overheating, turn off the main
ON ON
OFF START OFF START
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