warning YAMAHA EX DELUXE 2022 User Guide

Pre-operation checks
51
EJU40182Engine unit check
Check the exterior of the engine unit for dam-
age or other problem.
EJU41561Engine oil level check
Make sure that the engine oil level is between
the minimum and maximum level marks on
the dipstick attached to the oil tank filler cap.
(See page 43 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 45 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]
1 Water separator
1 Oil tank filler cap/Dipstick
1
1
1Dipstick
2 Maximum level mark
3 Minimum level mark
1 Negative (–) battery terminal: Black lead
2 Positive (+) battery terminal: Red lead
213
1
2
UF3Y75E0.book Page 51 Tuesday, July 27, 2021 2:27 PM

Pre-operation checks
53
EJU43213RiDE lever checks (EX DELUXE / EX
LIMITED) Operate the RiDE lever several times to make
sure that operation is smooth throughout the
whole range. Also, make sure that the RiDE
lever returns automatically to its fully closed
position when released.
EJU42181Throttle lever checks
Operate the throttle lever several times to
make sure that operation is smooth through- out the whole range. Also, make sure that the
throttle lever returns automatically to its fully
closed (idle) position when released.
EJU32666Engine shut-off cord (lanyard) check
Make sure that the engine shut-off cord (lan-
yard) is not damaged. If the cord is damaged,
replace it.
WARNING! Never try to repair
the engine shut-off cord (lanyard) or tie it
together. The engine shut-off cord (lan-
yard) may not pull free when the operator
falls off, allowing the watercraft to contin-
ue to run and cause an accident.
[EWJ01222]
EJU40692
Switch checksECJ01311
Do not run the engine over 4000 r/min on
land. Also, do not run the engine for more
than 15 seconds without supplying water,
otherwise the engine could overheat.
1 Stopper
1
UF3Y75E0.book Page 53 Tuesday, July 27, 2021 2:27 PM

Pre-operation checks
56
EJU32715Multifunction information center check
Make sure that the multifunction information
center operates properly. (See page 31 for in-
formation on proper operation of the multi-
function information center.)
EJU43393Shift system check (EX DELUXE / EX
LIMITED)
Operate the throttle lever and RiDE lever, and
check that the watercraft moves or does not
move according to the displayed shift indica-
tor. (See page 27 for shift system operation
procedures.) WARNING! To avoid colli-
sions, operate at safe speeds and keep a
safe distance away from people, objects,
and other watercraft.
[EWJ01860] EJU40172
Engine idling speed check
Start the engine and warm it up. Use the ta-
chometer in the multifunction information
center to make sure that the engine idling
speed is not significantly above or below the
specified range.
1
Shift indicator
2 “F” (Forward position)
3 “N” (Neutral position)
4 “R” (Reverse position)
Engine idling speed:
1500 ±100 r/min
12
3
4
UF3Y75E0.book Page 56 Tuesday, July 27, 2021 2:27 PM

Operation
58
EJU40212Riding position
Operator riding position
The operator should grip the handlebars firm-
ly with both hands and sit astride the seat
with both feet on the floor of the footwell.
Passenger riding position
The passenger(s) should hold on firmly, either
to the person in front of them or to the hand-
grip provided, and sit astride the seat with
their feet on the floor of the footwell. Never al-
low a passenger to ride in front of the opera-
tor. (See page 16 for information on the riding
position when pulling a wakeboarder or wa-
ter-skier.)
EJU32803Launching the watercraft
When launching the watercraft, make sure
that there are no obstacles around you.
If the watercraft is launched from a trailer,
someone should make sure that waves do
not push the watercraft into the trailer.
EJU43582Starting the engine on waterEWJ01532
Do not apply throttle when anyone is at the
rear of the watercraft. Turn the engine off
or keep it at idle. Water and debris exiting
the jet thrust nozzle can cause severe in-
jury.
To start the engine:
(1) Move the watercraft to an area that isfree from weeds and debris, and has a
water depth of at least 60 cm (2 ft) from
the bottom of the watercraft. NOTICE:
Never run the engine in water that is
less than 60 cm (2 ft) deep from the
bottom of the watercraft, otherwise
pebbles or sand could be sucked into
the jet intake, causing impeller dam-
age and engine overheating.
[ECJ00473]
(2) Attach the engine shut-off cord (lanyard) to your left wrist, and then attach the clip
to the engine shut-off switch. (See page
24 for information on operating the en-
gine shut-off switch.) WARNING! Check
that the engine shut-off cord (lanyard)
is attached correctly. If the engine
shut-off cord (lanyard) is not attached
correctly, it may not pull free when the
operator falls off, allowing the water-
UF3Y75E0.book Page 58 Tuesday, July 27, 2021 2:27 PM

Operation
59
craft to continue to run and cause an
accident.
[EWJ00583]
(3) With the throttle lever released, push thestart switch (green button) to start the
engine. (See page 24 for information on
operating the start switch.)
EJU32863Stopping the engine
Release the throttle lever, and then push the
engine stop switch (red button) to stop the
engine. WARNING! You need throttle to
steer. Shutting the engine off can cause
you to hit an obstacle you are attempting
to avoid. A collision could result in severe
injury or death.
[EWJ00602] EJU32874
Leaving the watercraft
If leaving the watercraft, remove the clip from
the engine shut-off switch to prevent acci-
dental starting or unauthorized operation by
children or others.
EJU44361Operating the watercraft
EX:
When the engine is running, the watercraft
will move forward at trolling speed even if the
throttle lever is in the fully closed (idle) posi-
tion.
1
Clip
2 Engine shut-off switch
3 Engine shut-off cord (lanyard)
12
3
UF3Y75E0.book Page 59 Tuesday, July 27, 2021 2:27 PM

Operation
69
EJU44390Beaching and docking the watercraft
To beach the watercraft (EX / EX
SPORT):
(1) Make sure that there are no boats, swim-mers, or obstacles near the beach.
(2) Release the throttle lever to reduce speed about 90 m (300 ft) before you
reach the intended beaching area.
(3) Slowly approach the beach and stop the engine just before reaching land.
WARNING! You need throttle to steer. Shutting the engine off can cause you
to hit an obstacle you are attempting
to avoid. A collision could result in se-
vere injury or death.
[EWJ00602] NOTICE:
Never run the engine in water that is
less than 60 cm (2 ft) deep from the
bottom of the watercraft, otherwise
pebbles or sand could be sucked into
the jet intake, causing impeller dam-
age and engine overheating.
[ECJ00473]
(4) Get off the watercraft and pull it up on the beach.
To beach the watercraft (EX DELUXE /
EX LIMITED):
(1) Make sure that there are no boats, swim-mers, or obstacles near the beach.
(2) Release the throttle lever to reduce speed about 90 m (300 ft) before you
reach the intended beaching area.
(3) Slowly approach the beach using the throttle lever and RiDE lever to control
the watercraft speed. NOTICE: Never
run the engine in water that is less
than 60 cm (2 ft) deep from the bottom
of the watercraft, otherwise pebbles
or sand could be sucked into the jet
intake, causing impeller damage and
engine overheating.
[ECJ00473]
(4) After reaching land, stop the engine, and then get off the watercraft and pull it up
on the beach.
To dock the watercraft (EX / EX SPORT):
(1) Make sure that there are no boats, swim-mers, or obstacles near the dock.
(2) Release the throttle lever to reduce speed about 90 m (300 ft) away from the
dock.
(3) Slowly approach the dock and stop the engine just before coming alongside it.
WARNING! You need throttle to steer. Shutting the engine off can cause you
to hit an obstacle you are attempting
to avoid. A collision could result in se-
vere injury or death.
[EWJ00602]
(4) Come alongside the dock and get off the watercraft.
To dock the watercraft (EX DELUXE / EX
LIMITED):
(1) Make sure that there are no boats, swim-mers, or obstacles near the dock.
(2) Release the throttle lever to reduce speed about 90 m (300 ft) away from the
dock.
(3) Slowly approach the dock using the throttle lever and RiDE lever to control
the watercraft speed.
(4) After coming alongside the dock, stop the engine, and then get off the water-
craft.
EJU37194Operating in weeded areas
Always avoid using your watercraft in areas
where weed growth is thick. If operating in
weeded areas is unavoidable, alternately
squeeze the throttle lever and relax your grip
on the throttle lever to vary the engine speed.
Weeds tend to become clogged more when
operating at a steady speed and at trolling
speed. If weeds may have clogged the intake
UF3Y75E0.book Page 69 Tuesday, July 27, 2021 2:27 PM

Care and storage
76
(4) Spray a rust inhibitor into the intakeopening for 3 seconds. WARNING! Do
not spray flammable rust inhibitor
products on engine surfaces while the
engine is hot. The sprayed substance
or propellants could catch fire.
[EWJ00262]
(5) Place the air filter case cover in its origi- nal position, and then fit the hooks onto
the cover.
TIP
Make sure that the air filter case cover is se-
curely installed.
(6) Fasten the fuel hose to the holder usingthe plastic tie.
(7) Make sure that the area around the wa- tercraft is clear, and then start the engine
in a well-ventilated area and let it run at
idle for 15 seconds. (See page 24 for in-
formation on starting the engine.)
(8) Stop the engine.
(9) Securely install the fire extinguisher hold- er and seat in their original positions.
1Hook
2 Air filter case cover
3 Fuel hose
4 Holder
5 Plastic tie
1 Intake opening
1
23
4
5
1
UF3Y75E0.book Page 76 Tuesday, July 27, 2021 2:27 PM

Trouble recovery
84
Engine runs irregu-
larly or stallsFuel Fuel tank empty Refill as soon as pos-
sible41
Stale or contaminat-
ed Have serviced by
Yamaha dealer
—
Fuel tank Water or dirt present Have serviced by Yamaha dealer—
Spark plug Fouled or defective Have serviced by Yamaha dealer—
Incorrect heat range Have serviced by Yamaha dealer —
Gap incorrect Have serviced by Yamaha dealer —
Electrical wir-
ing Loose connection Have serviced by
Yamaha dealer —
Fuel injec-
tion system Faulty or clogged in-
jectors Have serviced by
Yamaha dealer
—
Warning light or in-
dicator blinks or
comes on Fuel level
warning
Fuel tank empty Refill as soon as pos-
sible 41
Oil pressure
warning Oil pressure dropped Have serviced by
Yamaha dealer 34
Engine over-
heat warning Jet intake clogged Clean
86
Check en-
gine warning Faulty sensors Have serviced by
Yamaha dealer 35
TROUBLE POSSIBLE CAUSE REMEDY PAGE
UF3Y75E0.book Page 84 Tuesday, July 27, 2021 2:27 PM

Trouble recovery
85
Watercraft slow or
loses powerCavitation Jet intake clogged Clean 86
Impeller damaged or
worn Have serviced by
Yamaha dealer
86
Engine over-
heat warning Engine speed reduc-
tion control activated Clean jet intake and
cool engine
34
Oil pressure
warning Engine speed reduc-
tion control activated Add oil
34
Spark plug Fouled or defective Have serviced by Yamaha dealer—
Incorrect heat range Have serviced by Yamaha dealer —
Gap incorrect Have serviced by Yamaha dealer —
Electrical wir-
ing Loose connection Have serviced by
Yamaha dealer —
Fuel Stale or contaminat- ed Have serviced by
Yamaha dealer
—
Air filter Clogged Have serviced by Yamaha dealer—
Oil buildup Have serviced by Yamaha dealer —
Throttle lever Faulty Have serviced by Yamaha dealer—
TROUBLE POSSIBLE CAUSE REMEDY PAGE
UF3Y75E0.book Page 85 Tuesday, July 27, 2021 2:27 PM

90
Index
A
After removing the watercraft from the water ..................................................... 70
B
Battery care.............................................. 72
Battery checks ......................................... 51
Battery, jumping....................................... 87
Beaching and docking the watercraft ...... 69
Bilge water check..................................... 51
Bilge water, draining ................................ 45
Bilge water, draining on land ................... 45
Bilge water, draining on water ................. 45
Boarding alone ......................................... 65
Boarding and starting off from a dock ..... 68
Boarding the watercraft ........................... 64
Boarding with passenger(s) ..................... 65
Bow eye ................................................... 37
Bow storage compartment ...................... 39
Builder’s plate ............................................ 3
C
Capsized watercraft ................................. 68
Check engine warning ............................. 35
Cleaning ................................................... 74
Cleaning the watercraft ............................ 72
Cleat ......................................................... 38
Cooling water pilot outlet ......................... 26
Cooling water pilot outlet check .............. 55
Craft Identification Number (CIN)............... 1
Cruising limitations................................... 10
E
Emergency procedures ............................ 86
Engine break-in ........................................ 47
Engine compartment check ..................... 50
Engine idling speed check ....................... 56
Engine oil ................................................. 43
Engine oil and oil filter .............................. 80
Engine oil level check............................... 51
Engine oil requirements ........................... 43
Engine overheat warning ......................... 34
Engine serial number ................................. 1
Engine shut-off cord (lanyard) check ....... 53
Engine shut-off switch ............................. 24
Engine stop switch................................... 24
Engine unit check..................................... 51
Enjoy your watercraft responsibly............ 18 Equipment ................................................ 36
F
Fire extinguisher check ............................ 54
Fire extinguisher holder............................ 40
Fire extinguisher holder checks ............... 54
Flushing the cooling water passages....... 71
Fuel .......................................................... 41
Fuel level check........................................ 50
Fuel level meter ........................................ 33
Fuel level warning..................................... 34
Fuel requirements .................................... 41
Fuel system checks ................................. 50
G
Getting to know your watercraft .............. 57
Glossary, watercraft ................................. 19
Glove compartment ................................. 39
H
Handgrip .................................................. 36
Hazard information................................... 14
Hood check .............................................. 55
Hour meter and voltmeter ........................ 32
Hull and deck check ................................ 54
I
Identification numbers ............................... 1
Information display................................... 31
J
Jet intake and impeller, cleaning.............. 86
Jet intake checks ..................................... 54
Jet thrust nozzle and reverse gate check
(EX SPORT / EX DELUXE / EX
LIMITED) ............................................... 54
Jumper cables, connecting ...................... 87
L
Labels, important ....................................... 4
Labels, other .............................................. 8
Labels, warning .......................................... 5
Launching the watercraft ......................... 58
Learning to operate your watercraft......... 57
Leaving the watercraft.............................. 59
Limitations on who may operate the watercraft ................................................ 9
Long-term storage ................................... 74
Lubrication ............................................... 74
M
Main components, location of ................. 20
UF3Y75E0.book Page 90 Tuesday, July 27, 2021 2:27 PM