Page 7 of 98

Table of contents
Operation ......................................... 57Operating your watercraft ............. 57
Getting to know your watercraft ...... 57
Learning to operate your
watercraft ...................................... 57
Riding position ................................. 58
Launching the watercraft ................. 58
Starting the engine on water ............ 58
Stopping the engine ......................... 59
Leaving the watercraft...................... 59
Operating the watercraft .................. 59
Turning the watercraft ...................... 60
Stopping the watercraft ................... 61
Operating the watercraft in reverse or neutral ...................................... 62
Boarding the watercraft ................... 63
Starting off........................................ 65
Capsized watercraft ......................... 66
Beaching and docking the
watercraft ...................................... 67
Operating in weeded areas .............. 67
After removing the watercraft from the water ....................................... 67
Care and storage............................. 69Post-operation care ...................... 69
Flushing the cooling water
passages....................................... 69
Cleaning the watercraft .................... 70
Battery care ...................................... 70
Long-term storage ........................ 72
Cleaning ........................................... 72
Lubrication ....................................... 72
Rustproofing..................................... 73
Maintenance .................................... 75 Maintenance.................................. 75
Periodic maintenance chart ............. 76
Engine oil and oil filter ...................... 78
Specifications .................................. 79Specifications................................ 79 Trouble recovery ............................. 81
Troubleshooting ............................ 81
Troubleshooting chart ...................... 81
Emergency procedures ................ 84
Cleaning the jet intake and
impeller ......................................... 84
Raising the reverse gate .................. 85
Jumping the battery ......................... 85
Towing the watercraft....................... 86
Submerged watercraft ..................... 86
Index................................................. 88
UF6C70E0.book Page 2 Wednesday, November 10, 2021 11:33 AM
Page 9 of 98

General and important labels
2
EJU44450Manufactured date label
This label is attached to the port side of the
air filter case. (See page 36 for seat removal
and installation procedures and page 40 for
information on the fire extinguisher holder.)
EJU30321
Model informationEJU30333Builder’s plate
Watercraft with this label conform to certain
portions of the European Parliament directive
relating to machinery.
Part of the information is given on the build-
er’s plate affixed on the craft. A full explana-
tion of this information is given in the relevant
sections of this manual.
Design category of this personal water-
craft: C
Category C:
This watercraft is designed to operate in
winds up to Beaufort force 6 and the associ-
ated wave heights (significant wave heights
up to 2 m (6.56 ft); see the following TIP).
Such conditions may be encountered in ex-
posed inland waters, in estuaries, and in
coastal waters in mo derate weather condi-
tions.
1 Manufactured date label location
1
1Builder’s plate location
1
YAMAHA MOTOR CO., LTD.
WATERCRAFT DESIGN CATEGORY : C
MAXIMUM CAPACITIES
2500 Shingai, Iwata, Shizuoka, Japan
Max. 3
Max. + = 225kg (496 lbs)
UF6C70E0.book Page 2 Wednesday, November 10, 2021 11:33 AM
Page 30 of 98
Description
23
Engine compartment
8
3
1011
4
2
1
56
7
9
1 Water separator (page 26)
2 Fuel tank
3 Air filter case
4 Flushing hose connector (page 69)
5 Oil tank filler cap/Dipstick (page 43)
6 Oil tank
7 Battery (page 51)
8 Fuse box 9
Spark plug/Ignition coil
10 Fire extinguisher holder (page 40)
11 Seat storage compartment (page 40)
UF6C70E0.book Page 23 Wednesday, November 10, 2021 11:33 AM
Page 80 of 98

Care and storage
73
Steering cable (jet thrust nozzle end), elec-
tric trim rod (jet thrust nozzle end), and ball
joint
TIP
Disconnect the electric trim rod from the ball
joint before lubricating.
Shift rod (reverse gate end) and ball joint
TIP
Disconnect the shift rod from the ball joint be-
fore lubricating.
EJU47220Rustproofing
Rustproofing the hull, deck, and engine
Spray metallic parts of the hull, deck, and en-
gine with a rust inhibitor.Rustproofing the internal engine compo-
nents
Rustproof the internal engine components
with a rust inhibitor.
To rustproof the internal engine compo-
nents:
(1) Remove the seat and fire extinguisher
holder. (See page 36 for seat removal
and installation procedures and page 40
for information on the fire extinguisher
holder.)
(2) Remove the plastic tie that is fastening the fuel hose to the holder on the star-
board side of the air filter case.
(3) Release the hooks on the port side of the air filter case, and remove the air filter
case cover.
1Hook
2 Air filter case cover
3 Fuel hose
4 Holder
5 Plastic tie
1
23
4
5
UF6C70E0.book Page 73 Wednesday, November 10, 2021 11:33 AM
Page 81 of 98
Care and storage
74
(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.
1Intake opening
1
UF6C70E0.book Page 74 Wednesday, November 10, 2021 11:33 AM
Page 83 of 98

Maintenance
76
EJU43103Periodic maintenance chart
The periodic maintenance chart gives general guidelines for periodic maintenance. Have a
Yamaha dealer perform the checks in the following chart. However, maintenance may need to be performed more frequently depending on your operating conditions. If you have any
questions, consult a Yamaha dealer.
This “ √” mark indicates items to be checked and serviced by a Yamaha dealer.
Item OperationInitial Thereafter every
Page
10 hours 50 hours
or 12
months *1 100
hours or 12
months *1 200
hours or 24
months *1
Fuel line Check fuel hoses and
clamps
√
—
Fuel filler cap/Wa-
ter separator Check O-rings for cracks
and deformation
√
—
Fuel tank Check installation and
straps
√
—
Water inlet strainer Check for clogs and dam-
age
√
—
Cooling water hos-
es Check for damage and
leakage, and check
clamps
√
—
Engine oil Replace √√ 78
Oil filter Replace √78
Spark plugs Check √√ —
Battery Check state of charge,
terminals and bands
√
—
Battery leads Check terminals √—
Steering master Check operation and for
looseness
√√
—
Steering cable Check exterior and con-
nections, and lubricate
√
—
Electric trim rod Check exterior and con-
nections, and lubricate
√
—
Shift rod and re-
verse gate Check exterior and con-
nections, and lubricate
√
—
Air filter element Check for damage and
dirt
√
—
Air intake hoses Check for damage, and
check clamps
√
—
Throttle body Lubricate throttle valve √—
Exhaust system Check
for exhaust leak-
age, and check hoses and
clamps √
—
UF6C70E0.book Page 76 Wednesday, November 10, 2021 11:33 AM
Page 85 of 98
Maintenance
78
EJU36943Engine oil and oil filterEWJ00341
Engine oil is extremely hot immediately af-
ter the engine is turned off. Coming in con-
tact with or getting any engine oil on your
clothes could result in burns.
ECJ00992
Do not run the engine with too much or not
enough oil in the engine, otherwise the en-
gine could be damaged.
It is recommended to have a Yamaha dealer
change the engine oil and the engine oil filter.
However, if you choose to change the oil and
filter on your own, consult a Yamaha dealer.
UF6C70E0.book Page 78 Wednesday, November 10, 2021 11:33 AM
Page 87 of 98
Specifications
80
Fuel and oil:Recommended fuel: Regular unleaded gasoline
Minimum octane rating (PON): 86
Minimum octane rating (RON): 90
Recommended engine oil: YAMALUBE 4W or 4-stroke motor oil
Recommended engine oil type SAE: SAE 10W-30, 10W-40, 20W-40,
20W-50
Recommended engine oil grade API: API SG, SH, SJ, SL
Fuel tank total capacity: 50 L (13.2 US gal, 11.0 Imp.gal)
Engine oil quantity with oil filter re-
placement: 3.4 L (3.59 US qt, 2.99 Imp.qt)
Engine oil quantity without oil filter re-
placement: 3.2 L (3.38 US qt, 2.82 Imp.qt)
Engine oil total quantity: 3.7 L (3.91 US qt, 3.26 Imp.qt)
UF6C70E0.book Page 80 Wednesday, November 10, 2021 11:33 AM