Table of contents
Draining the bilge water ................ 59
Draining the bilge water on land ...... 59
Draining the bilge water on water .... 59
Transporting on a trailer ................ 60
First-time operation ........................ 61 Engine break-in ............................. 61
Pre-operation checks ..................... 62
Pre-operation checklist .................... 62
Pre-operation check points........... 64
Pre-launch checks ........................... 64
Post-launch checks ......................... 69
Operation ......................................... 71 Operating your watercraft ............. 71
Getting to know your watercraft ...... 71
Learning to operate your
watercraft ...................................... 71
Riding position ................................. 72
Launching the watercraft ................. 72
Starting the engine on water ............ 72
Stopping the engine ......................... 73
Leaving the watercraft...................... 73
Operating the watercraft .................. 73
Turning the watercraft ...................... 74
Stopping the watercraft ................... 75
Operating the watercraft in reverse or neutral ...................................... 76
Boarding the watercraft ................... 77
Starting off........................................ 79
Capsized watercraft ......................... 80
Beaching and docking the watercraft ...................................... 81
Operating in weeded areas .............. 81
After removing the watercraft from the water ....................................... 82
Care and storage............................. 83Post-operation care ...................... 83
Flushing the cooling water
passages....................................... 83
Cleaning the watercraft .................... 84
Battery care ...................................... 84
Long-term storage ........................ 86
Cleaning ........................................... 86
Lubrication ....................................... 86
Rustproofing ..................................... 87
Maintenance .................................... 88 Maintenance ................................. 88
Removing and installing the engine
cover ............................................. 88
Periodic maintenance chart ............. 90
Engine oil and oil filter ...................... 92
Specifications .................................. 93 Specifications ............................... 93
Trouble recovery ............................. 95 Troubleshooting ............................ 95
Troubleshooting chart ...................... 95
Emergency procedures ................ 98
Cleaning the jet intake and
impeller ......................................... 98
Raising the reverse gate .................. 99
Jumping the battery ......................... 99
Towing the watercraft..................... 100
Submerged watercraft ................... 100
Index............................................... 102
UF4P72E0.book Page 2 Tuesday, August 24, 2021 3:18 PM
Description
23
Engine compartment
12
8
567 3
4
9
1
Dipstick (page 57)
2 Engine oil filler cap (page 57)
3 Seat storage compartment (page 52)
4 Battery (page 65)
5 Engine cover
6 Fuel tank
7 Water separator (page 27)
8 Spark plug/Ignition coil
9 Flushing hose connector (page 83)
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Instrument operation
40
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 41 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 44 for information about the warn-
ing descriptions.)Trim setting indicator
The position of this indicator indicates the
trim setting of the jet thrust nozzle. (See page
31 for information on the trim setting.)
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 44 for information on the battery
voltage warning.)
Tachometer
The tachometer shows the engine speed us-
ing the numbers
×1000 RPM (r/min) 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 29 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.
1 Screen tab bar
2 Center display
1 Warning bar
14.3V
RPM
x10 0 0
km/h
1
2
1
1 Trim setting indicator
2 Fuel level meter
3 Vo l t m et e r
4 Tachometer
5 Shift indicator
14.3V
RPM
x10 0 0
km/h
1
34
2
5
UF4P72E0.book Page 40 Tuesday, August 24, 2021 3:18 PM
Instrument operation
44
center display. (See page 24 for Yamaha Se-
curity System setting procedures.)
EJU45992Warning 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 right side of the fuel
level meter, and the buzzer sounds intermit-
tently. If the fuel level warning is activated, refill the
fuel tank as soon as possible. (See page 55
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
RPM
x1000
km/h
Low
Fuel
10.8V
RPM
x1000
km/h
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Pre-operation checks
62
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.
64
Fuel system Check the fuel system for leakage.
Check the fuel level in the fuel tank.
64
Water separator Check the water separator for water. 64
Engine unit Check the exterior of the engine unit for damage. 65
Engine oil level Check the engine oil level. 65
Bilge water Check the engine compartment for bilge water. 65
Battery Check the battery connections. 65
Steering system Check the steering system for proper operation. 65
Adjustable tilt steering sys-
tem Check the adjustable tilt steering system for proper
operation and check that the handlebars are se-
curely locked in place.
66
RiDE lever Check the RiDE lever for proper operation. 66
Throttle lever Check the throttle lever for proper operation. 66
Yamaha Security System Check the Yamaha Security System for proper op-
eration.
67
Engine shut-off cord (lan-
yard) Check the engine shut-off cord (lanyard) for dam-
age.
67
Switches Check the engine start/stop switch and engine
shut-off switch for proper operation.
67
Electric trim system Check the electric trim system for proper operation. 68
Storage compartments Check the storage compartments for damage and
water.
68
Fire extinguisher holder,
cover, and band Check the fire extinguisher holder, cover, and band
for damage.
68
Fire extinguisher Check the condition of the fire extinguisher. 68
Safety equipment Check that safety equipment meeting the applica-
ble regulations is on board.
68
Hull and deck Check the hull and deck for damage. 68
Jet intake Check the jet intake for damage and clogging. 68
UF4P72E0.book Page 62 Tuesday, August 24, 2021 3:18 PM
Pre-operation checks
65
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 57 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 59 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
2
1
UF4P72E0.book Page 65 Tuesday, August 24, 2021 3:18 PM
Care and storage
84
(7) Run the engine at idling speed for about3 minutes watching the engine condition.
If the engine stops while flushing, turn
the water supply off immediately and
perform the procedure again from step 6.
NOTICE: Do not supply water to the
cooling water passages when the en-
gine is not running. The water could
flow back through the muffler into the
engine, causing severe engine dam-
age.
[ECJ00123]
(8) Turn the water supply off.
(9) Discharge the remaining water out of the cooling water passages by alternately
squeezing and releasing the throttle lever
quickly for 10 to 15 seconds.
(10) Stop the engine.
(11) Remove the garden hose adapter, and then securely install the flushing hose
connector cap by tightening it until it
stops.
(12) Securely install the seat storage com- partment and seats in their original posi-
tions.
EJU33736Cleaning the watercraft
(1) Remove the seats. (See page 48 for seatremoval and installation procedures.)
(2) Rinse the engine and engine compart- ment with a small amount of water.
NOTICE: Do not use high-pressure water when rinsing the engine or en-
gine compartment as severe engine
damage could result.
[ECJ00572]
(3) Drain the water from the engine com-
partment. (See page 59 for information
on draining the bilge water.)
(4) Wipe the engine and engine compart- ment with a dry cloth.
(5) Wash down the hull, deck, and jet pump with fresh water.
(6) Wipe the hull, deck, and jet pump with a dry cloth.
(7) Wipe all vinyl and rubber components, such as the seats and engine compart-
ment seals, with a vinyl protectant.
(8) To minimize corrosion, spray metallic parts of the hull, deck, and engine with a
rust inhibitor.
(9) Allow the engine compartment to air dry completely before installing the seats.
(10) Securely install the seats in their original positions.
EJU3368DBattery care
If the watercraft will not be used for more than
a month, remove the battery from the water-
craft, check it, and then store it in a cool, dry
place.
EWJ00794
Battery electrolyte is poisonous and dan-
gerous, causing severe burns, etc. Elec-
trolyte contains sulfuric acid. Avoid
contact with skin, eyes, or clothing.
Batteries produce explosive gases. Keep
sparks, flames, cigarettes, etc., well away.
If using or charging the battery in an en-
closed space, make sure that it is well
ventilated. Always shield your eyes when
working near batteries.
Keep out of the reach of children.
UF4P72E0.book Page 84 Tuesday, August 24, 2021 3:18 PM
Care and storage
85
Antidotes
External: Flush with water.
Internal: Drink large quantities of water or
milk. Follow with milk of magnesia, beaten
egg, or vegetable oil. Call a physician im-
mediately.
Eyes: Flush with water for 15 minutes and
get prompt medical attention.
To remove the battery:
(1) Disconnect the negative (–) battery lead.
(2) Disconnect the positive (+) battery lead.
(3) Unhook the battery bands, and then re-move the battery from the watercraft.
Checking the battery
Make sure that the battery case is not dam-
aged.
Make sure that the battery terminals are
not corroded or damaged.
Checking the battery voltage and charging
the battery
It is recommended to have a Yamaha dealer
check the battery voltage and charge the bat-
tery. Have a Yamaha dealer charge the bat-
tery as soon as possible if it seems to have
discharged. Keep in mind that the battery
tends to discharge more quickly if the vehicle
is equipped with optional electrical accesso-
ries. NOTICE: To charge a VRLA (Valve Regulated Lead Acid) battery, a special
(constant-voltage) battery charger is re-
quired. Using a conventional battery char-
ger will damage the battery.
[ECJ02810]
Checking the battery bands
Make sure that the battery bands are not
damaged.
To store the battery:
(1) Clean the battery case using fresh water.
(2) If the battery terminals are dirty or cor-
roded, clean them using a wire brush.
(3) Apply water-resistant grease to the bat- tery terminals.
1Battery band
2 Negative (–) battery terminal: Black lead
3 Positive (+) battery terminal: Red lead
21
3
1Battery band
1 Battery terminal
Recommended water-resistant grease:
YAMALUBE MARINE
GREASE/Yamaha Grease A
1
1
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