Page 41 of 102

Instrument operation
35
The hour meter and voltmeter are displayed
alternately at 3-second intervals.
TIP:
If the engine is stopped after the check en-
gine warning is activated, the hour meter and
error code will be displayed alternately at 3-
second intervals.
Hour meter
The hour meter shows the total number of
hours that the engine has been running since
the watercraft was new.
TIP:
The elapsed time will be kept even if the bat-
tery terminals have been disconnected.
Voltmeter
The voltmeter shows the battery voltage.
When the battery voltage is normal, the volt-
meter displays approximately 12 volts.If the battery voltage has dropped significant-
ly, “Lo” is displayed on the voltmeter, and all
other display segments of the information
display turn off. If the battery voltage has ris-
en significantly, “HI” is displayed. If “Lo” or
“HI” is displayed, immediately return to shore
and have a Yamaha dealer service the water-
craft.
EJU37272Fuel level meter
The fuel level meter shows the amount of fuel
remaining in the fuel tank. The amount of re-
maining fuel is shown using four display seg-
ments, which disappear one at a time as the
fuel level decreases.
TIP:
The accuracy of the fuel level meter varies
depending on the operating conditions. Use
this function as a reference only.
1Hour meter and voltmeter
1Hour meter
1
1
1Vo l t m et e r
1Fuel level meter
1
1
UF3Y71E0.book Page 35 Thursday, May 25, 2017 11:17 AM
Page 42 of 102

Instrument operation
36
EJU44710Fuel level warning
If the fuel remaining in the fuel tank drops to
about 8 L (2.1 US gal, 1.8 Imp.gal), the lowest
fuel level segment, the fuel level warning indi-
cator, and the “WARNING” indicator light
blink, and the buzzer sounds intermittently for
30 seconds.
If the fuel level warning is activated, refill the
fuel tank as soon as possible. (See page 44
for information on filling the fuel tank.)
After the fuel tank is refilled, the warning sig-
nals will be cleared when the engine is re-
started.
EJU43720Oil pressure warning
If the oil pressure drops significantly, the oil
pressure warning indicator, the check engine
warning indicator, and the “WARNING” indi-
cator light blink, and the buzzer sounds inter-
mittently for 30 seconds. At the 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 46 for information on checking the
engine oil level.) If the oil level is sufficient,
have a Yamaha dealer check the watercraft.
EJU43901Engine overheat warning
If the engine temperature rises significantly,
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
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 90 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
UF3Y71E0.book Page 36 Thursday, May 25, 2017 11:17 AM
Page 43 of 102
Instrument operation
37
higher speeds could result in severe en-
gine damage.
[ECJ00042]
EJU44690
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 is stopped after the check en-
gine warning is activated, the tachometer
portion of the information display will showthe hour meter and error code alternately at
3-second intervals.
If the check engine warning is activated, im-
mediately reduce the engine speed, return to
shore, and have a Yamaha dealer check the
engine.
1Error code
1
UF3Y71E0.book Page 37 Thursday, May 25, 2017 11:17 AM
Page 44 of 102
Equipment operation
38
EJU40334
EquipmentEJU44600Seat
The seat is removable.
Remove the seat to access the fire extin-
guisher holder, seat storage compartment,
and engine compartment.
To remove the seat:
(1) Pull the seat latch up, and then lift up the
rear of the seat.
(2) Pull the seat rearward and remove it.To install the seat:
(1) Insert the projection on the front of the
seat into the stay on the deck.
(2) Push the rear of the seat down to secure-
ly lock it in place.
EJU31364Handgrip
The handgrip is used when boarding the wa-
tercraft from the water and when the spotter
is facing rearward. WARNING! Do not use
the handgrip to lift the watercraft. The
handgrip is not designed to support the
watercraft’s weight. If the handgrip
1Seat latch
1
UF3Y71E0.book Page 38 Thursday, May 25, 2017 11:17 AM
Page 45 of 102
![YAMAHA EX 2018 Owners Manual Equipment operation
39
breaks, the watercraft could fall, which
could result in severe injury.
[EWJ00022]
EJU37382
Reboarding grip
The reboarding grip is used when boarding
the watercraft from the wa YAMAHA EX 2018 Owners Manual Equipment operation
39
breaks, the watercraft could fall, which
could result in severe injury.
[EWJ00022]
EJU37382
Reboarding grip
The reboarding grip is used when boarding
the watercraft from the wa](/manual-img/51/49478/w960_49478-44.png)
Equipment operation
39
breaks, the watercraft could fall, which
could result in severe injury.
[EWJ00022]
EJU37382
Reboarding grip
The reboarding grip is used when boarding
the watercraft from the water.
EJU34865Reboarding step (EX Sport / EX
Deluxe)
The reboarding step is used to assist in re-
boarding the watercraft from the water.
When boarding the watercraft, push the re-
boarding step down until it stops. The step
returns automatically to its original position
when released. WARNING! Do not use the
reboarding step to lift the watercraft. The
reboarding step is not designed to support
the watercraft’s weight. If the reboardingstep breaks, the watercraft could fall,
which could result in severe injury.
[EWJ01212]
NOTICE
ECJ00743
Use the reboarding step only to board the
watercraft in the water. Do not use the re-
boarding step for any other purpose. The
watercraft can be damaged.
EJU34873Bow eye
The bow eye is used to attach a rope to the
watercraft when transporting, mooring, or
1Handgrip
1Reboarding grip
1
1
1Reboarding step
1
UF3Y71E0.book Page 39 Thursday, May 25, 2017 11:17 AM
Page 46 of 102

Equipment operation
40
towing it in an emergency. (See page 92 for
information on towing the watercraft.)
EJU34882Stern eyes
The stern eyes are used to attach a rope to
the watercraft when transporting or mooring
it.
EJU40423Cleat
The cleat is used to attach a ski rope to the
watercraft when pulling a wakeboarder or
water-skier. WARNING! Do not use the
cleat to lift the watercraft. The cleat is not
designed to support the watercraft’s
weight. If the cleat breaks, the watercraftcould fall, which could result in severe in-
jury.
[EWJ01511]
EJU31685
Storage compartments
This watercraft is equipped with the following
storage compartments.
The storage compartments are not designed
to be waterproof. If you carry objects that
must be kept dry, put them in a waterproof
bag.
Make sure that the storage compartments
are closed securely before operating the wa-
tercraft.
EJU44660Bow storage compartment
The bow storage compartment is located un-
der the hood.
1Bow eye
1Stern eye
1
1
1Cleat
1
UF3Y71E0.book Page 40 Thursday, May 25, 2017 11:17 AM
Page 47 of 102
Equipment operation
41
To open the bow storage compartment:
Unhook the hood latches, and then lift up the
rear of the hood.To close the bow storage compartment:Return the hood to its original position, and
then hook the hood latches to secure it in pla-
ce.
EJU43781Glove compartment
The glove compartment is located in front of
the seat.
1Hood latch
1Bow storage compartment
Bow storage compartment:
Capacity:
7.0 L (1.8 US gal, 1.5 Imp.gal)
Load limit:
2.0 kg (4 lb)
1
1
1Hood latch
1
UF3Y71E0.book Page 41 Thursday, May 25, 2017 11:17 AM
Page 48 of 102
Equipment operation
42
To open the glove compartment:
Pull the glove compartment latch up, and
then lift up the lid.To close the glove compartment:Push the lid down to securely lock it in place.
EJU44491Seat storage compartment
The seat storage compartment is located un-
der the seat. (See page 38 for seat removal
and installation procedures.)1Glove compartment latch
1Glove compartment
Glove compartment:
Capacity:
14.0 L (3.7 US gal, 3.1 Imp.gal)
Load limit:
3.0 kg (7 lb)
1
1
1Seat storage compartment
Seat storage compartment:
Capacity:
8.0 L (2.1 US gal, 1.8 Imp.gal)
Load limit:
3.0 kg (7 lb)
1
UF3Y71E0.book Page 42 Thursday, May 25, 2017 11:17 AM