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UF4R10E0.book Page 32 Tuesday, August 4, 2020 1:32 PM

Instrument operation

same time, the maximum engine speed is NOTICE: If you cannot locate and correct
limited. the cause of the overheating, consult a
Yamaha dealer. Continuing to operate at
higher speeds could result in severe en-
gine damage. [ECJ00042]
EJU45681
Check engine warning
If a sensor malfunction or a short circuit is de-
tected, the “WARNING” indicator light blinks
once for several seconds.

If the oil pressure warning is activated, imme-
diately reduce the engine speed, return to
shore, and then check the engine oil level.
(See page 39 for information on checking the
engine oil level.) If the oil level is sufficient,
have a Yamaha dealer check the watercraft.
EJU45660
Engine overheat warning
If the engine temperature rises significantly, If the check engine warning is activated, im-
the “WARNING” indicator light comes on. mediately reduce the engine speed, return to
While the engine overheat warning is activat- shore, and have a Yamaha dealer check the
ed, the maximum engine speed is limited. engine.
EJU45690
Communication disconnecting warning
If communication disconnecting is detected,
the “WARNING” indicator light and “L-MO-
DE” indicator light blink.

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
If the communication disconnecting warning
no discharge of water, stop the engine, and
is activated, have the watercraft serviced by
then check the jet intake for clogging. (See
a Yamaha dealer as soon as possible.
page 78 for information on the jet intake.)
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