2012 YAMAHA VX fuel

Maintenance
78
EJU37062Periodic 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 ques-
tions, consult a Yamaha dealer.
This“” mark indicates items to be checked and serviced by a Yamaha dealer.
Item OperationInitial Thereafter every
Page 10
hours50 hours100
hours200
hours
6
months12
months12
months24
months
Spark plugsCheck, clean, replace—
Lubrication pointsLubricate—
Intermediate hous-
ingLubricate—
Fuel systemCheck—
Fuel tankCheck, clean—
Engine idling
speedCheck, adjust—
Throttle shaftCheck—
Water inlet strain-
erCheck, clean—
Bilge strainerClean—
ImpellerCheck—
Jet thrust nozzle
angleCheck, adjust—
Shift cable and re-
verse gate
(VX Deluxe /
VX Cruiser)Check, adjust—
Throttle cableCheck—
Stern drain plugsCheck, replace—
BatteryCheck, charge—
Rubber couplingCheck—
Engine mountCheck—
Nuts and boltsCheck—
Air filter elementCheck—
UF2N72E0.book Page 78 Monday, July 4, 2011 1:10 PM

Specifications
80
EJU34542
Specifications
Watercraft capacity:
Maximum people on board:
3 person
Maximum load capacity:
240 kg (530 lb)
Dimensions:
Length:
VX Sport 3220 mm (126.8 in)
VX Deluxe 3220 mm (126.8 in)
VX Cruiser 3270 mm (128.7 in)
Width:
1170 mm (46.1 in)
Height:
1160 mm (45.7 in)
Dry weight:
VX Sport 334 kg (736 lb)
VX Deluxe 337 kg (743 lb)
VX Cruiser 340 kg (750 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:
2.33 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:
60 L (15.9 US gal, 13.2 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)
UF2N72E0.book Page 80 Monday, July 4, 2011 1:10 PM

Trouble recovery
81
EJU34561
Troubleshooting
If you have any trouble with your watercraft, use the troubleshooting chart to check for the pos-
sible cause.
If you cannot find the cause, consult a Yamaha dealer.
EJU34595Troubleshooting 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)Yamaha Se-
curity Sys-
tem
(VX Deluxe /
VX Cruiser)Lock mode selected Select unlock mode
26
Engine shut-
off switchClip not in place Install clip
27
Fuse Burned out Replace fuse and
check wiring85
Battery Run down Recharge 72
Poor terminal con-
nectionsTighten as required
72
Terminal corroded Clean or replace 72
Starter motor Faulty Have serviced by
Yamaha dealer—
Engine does not
start (Starter motor
turns over)Throttle lever Squeezed Release 27
Fuel Empty Refill as soon as pos-
sible44
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—
UF2N72E0.book Page 81 Monday, July 4, 2011 1:10 PM

Trouble recovery
82
Engine runs irregu-
larly or stallsFuel Empty Refill as soon as pos-
sible44
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 Empty Refill as soon as pos-
sible44
Oil pressure
warningOil pressure dropped Have serviced by
Yamaha dealer36
Engine over-
heatedJet intake clogged Clean
84
Check engine
warningFaulty sensors Have serviced by
Yamaha dealer37 TROUBLE POSSIBLE CAUSE REMEDY PAGE
UF2N72E0.book Page 82 Monday, July 4, 2011 1:10 PM

Trouble recovery
83
Watercraft slow or
loses powerWatercraft
operation
mode
(VX Deluxe /
VX Cruiser)Low RPM mode acti-
vatedDeactivate Low RPM
Mode
31
Cavitation Jet intake clogged Clean 84
Impeller damaged or
wornHave serviced by
Yamaha dealer84
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—
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— TROUBLE POSSIBLE CAUSE REMEDY PAGE
UF2N72E0.book Page 83 Monday, July 4, 2011 1:10 PM

Index
A
After removing the watercraft
from the water ....................................... 70
B
Battery care .............................................. 72
Battery checks.......................................... 53
Battery, jumping ....................................... 85
Beaching and docking the watercraft ....... 69
Beverage holder ....................................... 42
Bilge water check ..................................... 53
Bilge water, draining................................. 47
Bilge water, draining on land .................... 47
Bilge water, draining on water .................. 47
Boarding alone ......................................... 65
Boarding and starting off from a dock ...... 68
Boarding the watercraft ............................ 64
Boarding with passenger(s) ..................... 65
Bow eye ................................................... 39
Bow storage compartment ....................... 40
Builder’s plate............................................. 2
C
Capsized watercraft ................................. 68
Check engine warning.............................. 37
Cleaning ................................................... 75
Cleaning the watercraft ............................ 72
Cleat ......................................................... 40
Cooling water pilot outlet .......................... 29
Cooling water pilot outlet check ............... 58
Craft Identification Number (CIN) ............... 1
Cruising limitations ................................... 11
E
Emergency procedures ............................ 84
Engine break-in ........................................ 49
Engine compartment check...................... 52
Engine idling speed check ....................... 58
Engine oil ................................................. 45
Engine oil and oil filter .............................. 79
Engine oil level check............................... 52
Engine oil requirements ........................... 45
Engine overheat warning ......................... 36
Engine serial number ................................. 1
Engine shut-off cord (lanyard) check ....... 55
Engine shut-off switch .............................. 27
Engine stop switch ................................... 27
Engine unit check ..................................... 52Enjoy your watercraft responsibly ............ 19
Equipment ................................................ 38
F
Fire extinguisher check ............................ 57
Fire extinguisher holder and cover ........... 42
Fire extinguisher holder, cover,
and band checks................................... 56
Flushing the cooling water passages ....... 71
Fuel .......................................................... 44
Fuel level check ....................................... 52
Fuel level meter ........................................ 35
Fuel level warning .................................... 35
Fuel requirements .................................... 44
Fuel system checks .................................. 52
Fuses, replacing ....................................... 85
G
Getting to know your watercraft ............... 59
Glossary, watercraft ................................. 20
Glove compartment .................................. 41
H
Handgrip ................................................... 39
Hazard information ................................... 15
Hood check .............................................. 58
Hour meter/voltmeter ............................... 34
Hull and deck check ................................. 57
I
Identification numbers ................................ 1
Information display ................................... 33
J
Jet intake and impeller, cleaning .............. 84
Jet intake checks ...................................... 57
Jumper cables, connecting ...................... 85
L
Labels, important ........................................ 4
Labels, other .............................................. 8
Labels, warning .......................................... 5
Launching the watercraft .......................... 60
Learning to operate your watercraft ......... 59
Leaving the watercraft .............................. 61
Limitations on who may operate
the watercraft ........................................ 10
Long-term storage .................................... 75
Low RPM Mode
(VX Deluxe / VX Cruiser) ...................... 31
Lubrication................................................ 75
UF2N72E0.book Page 1 Monday, July 4, 2011 1:10 PM