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UF4N10E0.book Page 49 Tuesday, September 29, 2020 8:02 AM

Instrument operation

EJU43901 higher speeds could result in severe en-
Engine overheat warning
If the engine temperature rises significantly, gine damage. [ECJ00042]
the engine overheat warning indicator, the
check engine warning indicator, and the
“WARNING” indicator light blink, and the
buzzer sounds intermittently. After 5 sec-
onds, the engine overheat warning indicator
and the “WARNING” indicator light stop
blinking and remain on, and the buzzer
sounds continuously. After 30 seconds, the
buzzer stops. While the engine overheat
warning is activated, the maximum engine
EJU44690
speed is limited. Check engine warning
If a sensor malfunction or a short circuit is de-
tected, the check engine warning indicator
and the “WARNING” indicator light blink, and
the buzzer sounds intermittently for 30 sec-
onds.

If the engine overheat warning is activated,
immediately reduce the engine speed, return
to shore, and then make sure that water is
being discharged from the cooling water pilot
outlet while the engine is running. If there is
no discharge of water, stop the engine, and If the engine is stopped after the check en-
then check the jet intake for clogging. (See gine warning is activated, the tachometer
page 113 for information on the jet intake.) portion of the information display will show
NOTICE: If you cannot locate and correct
the cause of the overheating, consult a
Yamaha dealer. Continuing to operate at

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