2015 YAMAHA VX fuel

Maintenance
88
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√√90
Oil filterReplace√90
Intermediate hous-
ingLubricate√—
Spark plugsCheck√√—
BatteryCheck specific gravity of
electrolyte, terminals,
bands, and breather hose√—
Battery leadsCheck terminals√—
Steering masterCheck operation and for
looseness√√—
Steering cableCheck exterior and con-
nections, and lubricate√—
Shift rod and re-
verse gateCheck exterior and con-
nections, and lubricate√—
Air filter elementCheck for damage and
dirt√—
Air intake hosesCheck for damage, and
check clamps√—
Throttle bodyLubricate throttle valves√—
UF2X70E0.book Page 88 Monday, December 7, 2015 4:02 PM

Specifications
91
EJU34543
Specifications
Watercraft capacity:
Maximum people on board:
3 person
Maximum load capacity:
240 kg (530 lb)
Dimensions:
Length:
VX 3340 mm (131.5 in)
VX Deluxe 3350 mm (131.9 in)
VX Cruiser 3350 mm (131.9 in)
Width:
1220 mm (48.0 in)
Height:
1190 mm (46.9 in)
Dry weight:
VX 349 kg (769 lb)
VX Deluxe 329 kg (725 lb)
VX Cruiser 331 kg (730 lb)
Performance:
Maximum output (according to ISO 8665/SAE
J1228):
75.0 kW@8000 r/min
Maximum fuel consumption:
25.7 L/h (6.8 US gal/h, 5.7 Imp.gal/h)
Cruising range at full throttle:
2.73 hour
Trolling speed:
1650 ±50 r/min
Engine:
Engine type:
Liquid cooled 4-stroke, DOHC
Number of cylinders:
4
Engine displacement:
1052 cm³
Bore × stroke:
76.0 × 58.0 mm (2.99 × 2.28 in)
Compression ratio:
11.4 : 1
Valve clearance-intake (cold):
0.11–0.20 mm (0.0043–0.0079 in)
Valve clearance-exhaust (cold):
0.25–0.34 mm (0.0098–0.0134 in)
Lubrication system:
Dry sump
Cooling system:
WaterStarting system:
Electric
Ignition system:
T.C.I.
Spark plug:
CR9EB
Spark plug gap:
0.7–0.8 mm (0.028–0.031 in)
Battery capacity:
12 V, 19 Ah
Charging system:
Flywheel magneto
Drive unit:
Propulsion system:
Jet pump
Jet pump type:
Axial flow, single stage
Impeller rotation:
Counterclockwise
Jet thrust nozzle angle:
24.0+24.0 °
Fuel and oil:
Recommended fuel:
Regular unleaded gasoline
Minimum octane rating (PON):
86
Minimum octane rating (RON):
90
Recommended engine oil type SAE:
SAE 10W-30, 10W-40, 20W-40, 20W-50
Recommended engine oil grade API:
API SE,SF,SG,SH,SJ,SL
Fuel tank total capacity:
70 L (18.5 US gal, 15.4 Imp.gal)
Engine oil quantity with oil filter replacement:
2.2 L (2.33 US qt, 1.94 Imp.qt)
Engine oil quantity without oil filter replacement:
2.0 L (2.11 US qt, 1.76 Imp.qt)
Engine oil total quantity:
4.3 L (4.55 US qt, 3.78 Imp.qt)
UF2X70E0.book Page 91 Monday, December 7, 2015 4:02 PM

Trouble recovery
92
EJU34562
Troubleshooting
If you have any trouble with your watercraft, use the troubleshooting chart to check for the
possible cause.
If you cannot find the cause, consult a Yamaha dealer.
EJU43512Troubleshooting chart
Confirm the possible cause and remedy, and then refer to the applicable page.
TROUBLE POSSIBLE CAUSE REMEDY PAGE
Engine does not
start (Starter motor
does not turn over)Ya m a h a S e -
curity System
(VX Deluxe /
VX Cruiser)Lock mode selected Select unlock mode
27
Engine shut-
off switchClip not in place Install clip
28
Fuse Burned out Replace fuse and
check wiring97
Battery Run down Recharge 82
Poor terminal con-
nectionsTighten as required
82
Terminal corroded Clean or replace 82
Starter motor Faulty Have serviced by
Yamaha dealer—
Engine does not
start (Starter motor
turns over)Throttle lever Squeezed Release 28
Faulty Have serviced by
Yamaha dealer—
RiDE lever Squeezed Release 28
Faulty Have serviced by
Yamaha dealer—
Fuel Fuel tank empty Refill as soon as pos-
sible51
Stale or contaminat-
edHave 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—
Spark plug
capNot connected or
looseHave serviced by
Yamaha dealer—
Connected to wrong
cylinderHave serviced by
Yamaha dealer—
Fuel injec-
tion systemFuel pump faulty Have serviced by
Yamaha dealer—
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Trouble recovery
93
Engine runs irregu-
larly or stallsFuel Fuel tank empty Refill as soon as pos-
sible51
Stale or contaminat-
edHave 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—
Spark plug
capNot connected or
looseHave serviced by
Yamaha dealer—
Cracked, torn, or
damagedHave serviced by
Yamaha dealer—
Electrical wir-
ingLoose connection Have serviced by
Yamaha dealer—
Fuel injec-
tion systemFaulty or clogged in-
jectorsHave serviced by
Yamaha dealer—
Warning light or in-
dicator blinks or
comes onFuel level
warningFuel tank empty Refill as soon as pos-
sible51
Oil pressure
warningOil pressure dropped Have serviced by
Yamaha dealer42
Engine over-
heat warningJet intake clogged Clean
95
Check en-
gine warningFaulty sensors Have serviced by
Yamaha dealer42 TROUBLE POSSIBLE CAUSE REMEDY PAGE
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Trouble recovery
94
Watercraft slow or
loses powerWatercraft
operation
mode
(VX Deluxe /
VX Cruiser)Low RPM Mode acti-
vatedDeactivate Low RPM
Mode
34
Cavitation Jet intake clogged Clean 95
Impeller damaged or
wornHave serviced by
Yamaha dealer95
Engine over-
heat warningEngine speed reduc-
tion control activatedClean jet intake and
cool engine42
Oil pressure
warningEngine speed reduc-
tion control activatedAdd oil
42
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—
Spark plug
capNot connected or
looseHave 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
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Trouble recovery
98
(2) While pushing both sides of the fuse box
cover inward, pull the cover toward the
port and remove it.
(3) When replacing the SCU fuse, remove
the screws, and then remove the fuse.
Install the spare fuse, and then tighten
the screws.
(4) When replacing a fuse other than the
SCU fuse, remove the fuse using the
fuse puller. Install a spare fuse of theproper amperage. WARNING! Do not
use fuses of a different amperage than
recommended. Substitution with a
fuse that has an improper rating can
cause extensive electrical system
damage and possible fire.
[EWJ00803]
(5) Securely install the fuse box cover in its
original position.
(6) Securely install the seats in their original
positions.
If the fuse immediately blows again, the elec-
trical system may be defective. If this occurs,
have a Yamaha dealer service the watercraft.
EJU34716Towing the watercraft
WARNING
EWJ00812
The operator of the towing boat must
keep speed to a minimum and avoid
traffic or obstacles which could be a
hazard to the operator on the water-
craft.
The towline should be long enough so
that the watercraft will not collide with
the towing boat when slowing down.
1Fuse box cover
1Electronic throttle valve fuse
2Fuel pump fuse
3Main relay drive fuse
4Main fuse
5Spare fuse
6Fuse puller
7Battery fuse
8Screw
9SCU fuse (BCU fuse)
10Security system fuse (VX Deluxe /
VX Cruiser)
1
1
5 23 4 5 6 7
8
9
8
10
Fuse amperage:
Electronic throttle valve fuse:
10 A
Fuel pump fuse:
10 A
Main relay drive fuse:
10 A
Main fuse:
20 A
Battery fuse:
30 A
SCU fuse:
50 A
Security system fuse:
VX Deluxe 3 A
VX Cruiser 3 A
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100
Index
A
After removing the watercraft from the
water ..................................................... 79
B
Battery care.............................................. 82
Battery checks ......................................... 61
Battery, jumping ....................................... 96
Beaching and docking the watercraft ...... 79
Bilge water check..................................... 61
Bilge water, draining ................................ 55
Bilge water, draining on land ................... 55
Bilge water, draining on water ................. 55
Boarding alone ......................................... 75
Boarding and starting off from a dock ..... 78
Boarding the watercraft ........................... 75
Boarding with passenger(s) ..................... 76
Bow eye ................................................... 46
Bow storage compartment ...................... 47
Builder’s plate ............................................ 2
C
Capsized watercraft ................................. 78
Check engine warning ............................. 42
Cleaning ................................................... 85
Cleaning the watercraft ............................ 82
Cleat ......................................................... 46
Cooling water pilot outlet ......................... 30
Cooling water pilot outlet check .............. 66
Craft Identification Number (CIN)............... 1
Cruise assist (VX Deluxe / VX Cruiser) ..... 37
Cruising limitations................................... 12
E
Emergency procedures ............................ 95
Engine break-in ........................................ 57
Engine compartment check ..................... 60
Engine idling speed check ....................... 67
Engine oil ................................................. 53
Engine oil and oil filter .............................. 90
Engine oil level check............................... 61
Engine oil requirements ........................... 53
Engine overheat warning ......................... 42
Engine serial number ................................. 1
Engine shut-off cord (lanyard) check ....... 63
Engine shut-off switch ............................. 28
Engine stop switch................................... 28
Engine unit check..................................... 61Enjoy your watercraft responsibly ............ 20
Equipment ................................................ 44
F
Fire extinguisher check ............................ 65
Fire extinguisher holder and cover........... 49
Fire extinguisher holder, cover, and
band checks ......................................... 64
Flushing the cooling water passages....... 81
Fuel .......................................................... 51
Fuel level check........................................ 60
Fuel level meter ........................................ 41
Fuel level warning..................................... 41
Fuel requirements .................................... 51
Fuel system checks ................................. 60
Fuses, replacing ....................................... 97
G
Getting to know your watercraft .............. 69
Glossary, watercraft ................................. 21
Glove compartment ................................. 48
H
Handgrip .................................................. 45
Hazard information................................... 16
Hood check .............................................. 66
Hour meter ............................................... 43
Hull and deck check ................................ 65
I
Identification numbers ............................... 1
Information display................................... 39
J
Jet intake and impeller, cleaning.............. 95
Jet intake checks ..................................... 65
Jet thrust nozzle and reverse gate
check .................................................... 65
Jumper cables, connecting ...................... 96
L
Labels, important ....................................... 4
Labels, other .............................................. 9
Labels, warning .......................................... 5
Launching the watercraft ......................... 70
Learning to operate your watercraft......... 69
Leaving the watercraft.............................. 71
Limitations on who may operate the
watercraft .............................................. 11
Long-term storage ................................... 85
UF2X70E0.book Page 100 Monday, December 7, 2015 4:02 PM