Instrument operation
25
same time, the maximum engine speed is
limited.
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 33 for information on checking the
engine oil level.) If the oil level is sufficient,
have a Yamaha dealer check the watercraft.
EJU45660Engine overheat warning
If the engine temperature rises significantly,
the “WARNING” indicator light comes on.
While the engine overheat warning is activat-
ed, the maximum engine speed is limited.
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
then check the jet intake for clogging. (See
page 72 for information on the jet intake.)NOTICE:
If you cannot locate and correct
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 check engine warning is activated, im-
mediately reduce the engine speed, return to
shore, and have a Yamaha dealer check the
engine.
EJU45690Communication disconnecting warning
If communication disconnecting is detected,
the “WARNING” indicator light and “L-
MODE” indicator light blink.
If the communication disconnecting warning
is activated, have the watercraft serviced by
a Yamaha dealer as soon as possible.
UF4R71E0.book Page 25 Monday, May 10, 2021 1:14 PM