Table of contents
Operation and handling
requirements ................................... 54Fuel requirements ......................... 54
Fuel................................................... 54
Engine oil requirements ................ 56
Engine oil .......................................... 56
Draining the bilge water ................ 58
Draining the bilge water on land ...... 58
Draining the bilge water on water .... 58
Transporting on a trailer ................ 59
First-time operation ........................ 60 Engine break-in ............................. 60
Pre-operation checks ..................... 61
Pre-operation checklist .................... 61
Pre-operation check points........... 63
Pre-launch checks ........................... 63
Post-launch checks ......................... 68
Operation ......................................... 70 Operating your watercraft ............. 70
Getting to know your watercraft ...... 70
Learning to operate your
watercraft ...................................... 70
Riding position ................................. 71
Launching the watercraft ................. 71
Starting the engine on water ............ 71
Stopping the engine ......................... 72
Leaving the watercraft...................... 72
Operating the watercraft .................. 72
Turning the watercraft ...................... 73
Stopping the watercraft ................... 74
Operating the watercraft in reverse or neutral ...................................... 75
Boarding the watercraft ................... 76
Starting off........................................ 78
Capsized watercraft ......................... 79
Beaching and docking the watercraft ...................................... 80
Operating in weeded areas .............. 80
After removing the watercraft from
the water ....................................... 81
Care and storage ............................ 82Post-operation care ...................... 82
Flushing the cooling water
passages....................................... 82
Cleaning the watercraft .................... 83
Battery care ...................................... 83
Long-term storage ........................ 85
Cleaning ........................................... 85
Lubrication ....................................... 85
Rustproofing ..................................... 86
Maintenance .................................... 87 Maintenance ................................. 87
Removing and installing the engine
cover ............................................. 87
Periodic maintenance chart ............. 89
Engine oil and oil filter ...................... 91
Specifications .................................. 92 Specifications ............................... 92
Trouble recovery ............................. 94 Troubleshooting ............................ 94
Troubleshooting chart ...................... 94
Emergency procedures ................ 97
Cleaning the jet intake and
impeller ......................................... 97
Raising the reverse gate .................. 98
Jumping the battery ......................... 98
Towing the watercraft....................... 99
Submerged watercraft ..................... 99
Index............................................... 101
UF4S71E0.book Page 2 Wednesday, August 4, 2021 5:18 PM
Description
23
Engine compartment
12
8
567 3
4
9
1
Dipstick (page 56)
2 Engine oil filler cap (page 56)
3 Seat storage compartment (page 52)
4 Battery (page 64)
5 Engine cover
6 Fuel tank
7 Water separator (page 27)
8 Spark plug/Ignition coil
9 Flushing hose connector (page 82)
UF4S71E0.book Page 23 Wednesday, August 4, 2021 5:18 PM
Instrument operation
38
Screen tab bar
When each symbol is selected, the watercraft
information, function settings, and other in-
formation are shown in the center display.
(See page 39 for information on each screen.)
Center display
The center display shows the watercraft in-
formation, function settings, and other infor-
mation according to the symbol on the
screen tab bar that is selected.
Warning bar
The warning bar is shown when an error or
malfunction is detected.
Push the “OK” button of the touchpad control
when the warning symbol is displayed to
show the warning description, error code,
and other information in the center display.
(See page 42 for information about the warn-
ing descriptions.)Voltmeter
The voltmeter shows the battery voltage.
When the battery voltage is normal, the volt-
meter displays approximately 14 volts.
If the battery voltage has dropped or risen
significantly, the battery voltage warning will
activate and the voltage display will blink.
(See page 42 for information on the battery
voltage warning.)
Tachometer
The tachometer shows the engine speed and
the number of display segments.
Shift indicator
This indicator shows the reverse gate shift
positions: “F” (forward), “N” (neutral), and “R”
(reverse). (See page 28 for shifting proce-
dures.)
Fuel level meter
The fuel level meter shows the amount of fuel
remaining in the fuel tank using the number of
display segments.
If the amount of remaining fuel is low, the fuel
level warning will activate. (See page 42 for
information on the fuel level warning.)
1
Screen tab bar
2 Center display
1 Warning bar
14.3V
km/h
RPM
2
1
1
1Fuel level meter
2 Vo l t m et e r
3 Tachometer
4 Shift indicator
14.3V
km/h
RPM
23
1
4
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Instrument operation
42
center display. (See page 24 for Yamaha Se-
curity System setting procedures.)
EJU46400Warning function
The multifunction information center can indi-
cate the following warnings.
Fuel level warning
Battery voltage warning
Check engine warning
Engine overheat warning
Oil pressure warning
Other warnings (communication errors, ex-
ceeding the maintenance intervals, and so
on)
To stop the buzzer when a malfunction is ac-
tivated, correct the cause of the problem and
start the engine again, or push the “OK” but-
ton of the touchpad control.
Fuel level warning
If the amount of remaining fuel is low, the low-
est fuel level segment blinks orange, “Low
Fuel” is displayed on the display, and the
buzzer sounds intermittently. If the fuel level warning is activated, refill the
fuel tank as soon as possible. (See page 54
for information on filling the fuel tank.)
Battery voltage warning
If the battery voltage is less than 12 volts or
more than 18 volts when the engine is not
running, the voltage display of the voltmeter
blinks.
If the battery voltage warning is activated,
have the watercraft serviced by a Yamaha
dealer as soon as possible.
Check engine warning “ ”
If a sensor malfunction or a short circuit is
detected, “ ” is shown in the warning bar,
and the buzzer sounds intermittently.
If the check engine warning is activated, im-
mediately reduce the engine speed, return to
1
“OK” button
1
14.3V
km/h
RPM
Low
Fuel
10.8V
km/h
RPM
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Instrument operation
45
Cursor button “ / ”
Press these buttons to skip to the previous or
next track.
Cursor button “ / ”
Press these buttons to adjust the volume.
To connect an external device:
(1) Turn on the Bluetooth function of the ex-ternal device, and then search for this
audio system.
(2) Turn the audio system on by pushing the power button on the audio control.
(3) Select this audio system to connect to it.
To disconnect an external device:
Turn the Bluetooth function of the external
device off.
EJU46321
Accessory outlet
There is a 12 V DC outlet located inside the
glove compartment.
ECJ02920
Do not use an automotive cigarette
lighter or other accessories that get hot
because the outlet can be damaged.
The load must never exceed 120 W (10
A), otherwise the fuse may blow or the
battery may discharge.
1 12V DC outlet
1
UF4S71E0.book Page 45 Wednesday, August 4, 2021 5:18 PM
Instrument operation
46
EJU46331
USB charger
There is a USB charger located inside the
glove compartment. The USB charger can be
used to charge external devices.
ECJ02930
The load must never exceed 10.5 W (2.1 A),
otherwise the fuse may blow or the battery
may discharge.
1USB charger
1
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Pre-operation checks
61
EJU31984
EWJ00413
Failure to inspect or maintain the watercraft properly increases the possibility of an ac-
cident or damage to the watercraft. Do not operate the watercraft if you find any prob-
lem. If a problem cannot be corrected by the procedures provided in this manual, have
the watercraft inspected by a Yamaha dealer.
EJU41237Pre-operation checklist
Before using this watercraft, be sure to perform the checks in the following checklist.
PRE-LAUNCH CHECKS
ITEM ROUTINEPAGE
Engine compartment Ventilate the engine compartment.
Check inside the engine compartment for damage.
63
Fuel system Check the fuel system for leakage.
Check the fuel level in the fuel tank.
63
Water separator Check the water separator for water. 63
Engine unit Check the exterior of the engine unit for damage. 64
Engine oil level Check the engine oil level. 64
Bilge water Check the engine compartment for bilge water. 64
Battery Check the battery connections. 64
Steering system Check the steering system for proper operation. 64
RiDE lever Check the RiDE lever for proper operation. 65
Throttle lever Check the throttle lever for proper operation. 65
Yamaha Security System Check the Yamaha Security System for proper op-
eration.
65
Engine shut-off cord (lan-
yard) Check the engine shut-off cord (lanyard) for dam-
age.
65
Switches Check the engine start/stop switch and engine
shut-off switch for proper operation.
66
Storage compartments Check the storage compartments for damage and
water.
66
Fire extinguisher holder,
cover, and band Check the fire extinguisher holder, cover, and band
for damage.
66
Fire extinguisher Check the condition of the fire extinguisher. 67
Safety equipment Check that safety equipment meeting the applica-
ble regulations is on board.
67
Hull and deck Check the hull and deck for damage. 67
Jet intake Check the jet intake for damage and clogging. 67
Jet thrust nozzle and re-
verse gate Check the jet thrust nozzle and reverse gate for
damage.
67
Stern drain plugs Check the stern drain plugs for damage and foreign
material and check that they are securely installed.
67
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Pre-operation checks
64
EJU40182Engine unit check
Check the exterior of the engine unit for dam-
age or other problem.
EJU36886Engine oil level check
Make sure that the engine oil level is between
the minimum and maximum level marks on
the dipstick. (See page 56 for information on
checking the engine oil level.)
EJU32456Bilge water check
Make sure that no bilge water has collected in
the engine compartment. If bilge water has
collected in the engine compartment, drain it.
(See page 58 for information on draining the
bilge water.)
EJU32488Battery checks
Make sure that the battery terminals are not
damaged and that the battery leads are con-nected properly.
WARNING! Never operate
the watercraft if the battery does not have
sufficient power to start the engine or if it
shows any other signs of decreased pow-
er. Loss of battery power may leave you
stranded.
[EWJ01242]
Make sure that the battery is securely held in
place.
EJU32614Steering system checks
Turn the handlebars to the right and left sev-
eral times to make sure that operation is
smooth and unrestricted throughout the
whole range, and that the free play is not ex-
cessive.
Turn the handlebars as far as possible to the
right and left to make sure that the jet thrust
nozzle moves as the handlebars are turned,
and that there is no difference between the
1 Dipstick
1 Maximum level mark
2 Minimum level mark
1
1
2
1Negative (–) battery terminal: Black lead
2 Positive (+) battery terminal: Red lead
1
2
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