Page 8 of 102

General and important labels
2
EJU44450Manufactured date label
This label is attached to the port side of the
air filter case. (See page 38 for seat removal
and installation procedures and page 43 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 moderate weather condi-
tions.
1Manufactured 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. + = 220kg (485 lbs)
UF3Y71E0.book Page 2 Thursday, May 25, 2017 11:17 AM
Page 30 of 102
Description
24
Engine compartment
8
3
1011 4
2
156
7
9
1Water separator (page 27)
2Fuel tank
3Air filter case
4Flushing hose connector (page 75)
5Oil tank filler cap/Dipstick
6Oil tank
7Battery (page 54)
8Fuse box9Spark plug/Ignition coil
10Fire extinguisher holder (page 43)
11Seat storage compartment (page 42)
UF3Y71E0.book Page 24 Thursday, May 25, 2017 11:17 AM
Page 86 of 102

Care and storage
80
EX Deluxe: Shift rod (reverse gate end) and
ball joint
TIP:
Disconnect the shift rod from the ball joint be-
fore lubricating.
EJU44790Rustproofing
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 components:
(1) Remove the seat and fire extinguisher
holder. (See page 38 for seat removal
and installation procedures and page 43
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.
(4) Spray a rust inhibitor into the intake
opening for 3 seconds. WARNING! Do
not spray flammable rust inhibitor
products on engine surfaces while the
1Hook
2Air filter case cover
3Fuel hose
4Holder
5Plastic tie
1
23
4
5
UF3Y71E0.book Page 80 Thursday, May 25, 2017 11:17 AM
Page 87 of 102
Care and storage
81
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 using
the 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 25 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
UF3Y71E0.book Page 81 Thursday, May 25, 2017 11:17 AM
Page 89 of 102

Maintenance
83
EJU43101Periodic 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 hours50 hours
or 12
months
*1100
hours or
12
months
*1200
hours or
24
months
*1
Fuel lineCheck fuel hoses and
clamps√—
Fuel filler cap/Wa-
ter separatorCheck O-rings for cracks
and deformation√—
Fuel tankCheck installation and
straps√—
Water inlet strainerCheck for clogs and dam-
age√—
Cooling water hos-
esCheck for damage and
leakage, and check
clamps√—
Engine oilReplace√√85
Oil filterReplace√85
Spark plugsCheck√√—
BatteryCheck state of charge,
terminals, bands, and
breather hose√—
Battery leadsCheck terminals√—
Steering masterCheck operation and for
looseness√√—
Steering cableCheck exterior and con-
nections, and lubricate√—
Shift lever (EX
Sport)Check exterior and con-
nections, and lubricate√—
Shift cable and re-
verse gate (EX
Sport)Check exterior and con-
nections, and lubricate√—
Shift rod and re-
verse gate
(EX Deluxe)Check exterior and con-
nections, and lubricate√—
Air filter elementCheck for damage and
dirt√—
UF3Y71E0.book Page 83 Thursday, May 25, 2017 11:17 AM
Page 95 of 102
Trouble recovery
89
Watercraft slow or
loses powerCavitation Jet intake clogged Clean 90
Impeller damaged or
wornHave serviced by
Yamaha dealer90
Engine over-
heat warningEngine speed reduc-
tion control activatedClean jet intake and
cool engine36
Oil pressure
warningEngine speed reduc-
tion control activatedAdd oil
36
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-
ingLoose connection Have serviced by
Yamaha dealer—
Fuel Stale or contaminat-
edHave 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
UF3Y71E0.book Page 89 Thursday, May 25, 2017 11:17 AM