2012 YAMAHA VX check engine

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
84
EJU34623
Emergency procedures EJU34634Cleaning the jet intake and impeller
WARNING
EWJ00782
Before attempting to remove weeds or de-
bris from the jet intake or impeller area,
shut the engine off and remove the clip
from the engine shut-off switch. Severe in-
jury or death could result from coming in
contact with the rotating parts of the jet
pump.
If weeds or debris gets caught in the jet intake
or impeller, cavitation can occur, causing jet
thrust to decrease even though engine speed
rises. If this condition is allowed to continue,
the engine will overheat and may seize.
NOTICE: If weeds or debris gets caught in
the jet intake, do not operate the watercraft
above trolling speed until they have been
removed.
[ECJ00653]
If there is any sign that the jet intake or impel-
ler is clogged with weeds or debris, return to
shore and check the intake and impeller. Al-ways stop the engine before beaching the wa-
tercraft.
(1) Place a suitable clean cloth or carpeting
underneath the watercraft to protect it
from abrasions and scratches. Turn the
watercraft on its side as shown. NOTICE:
Always turn the watercraft over onto
its port (left) side. When turning the
watercraft on its side, support the bow
so that the handlebars are not bent or
damaged.
[ECJ00661]
STOP
UF2N72E0.book Page 84 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

Index
M
Main components, location of .................. 21
Maintenance............................................. 77
Manufactured date label............................. 2
Model information....................................... 2
Multifunction information center ............... 33
Multifunction information center check ..... 58
O
Oil pressure warning ................................ 36
Operating in weeded areas ...................... 70
Operating the watercraft........................... 61
Operating the watercraft in reverse
(VX Deluxe / VX Cruiser) ...................... 64
Operating your watercraft......................... 59
Operation requirements ........................... 12
P
Periodic maintenance chart...................... 78
Post-launch checks .................................. 58
Post-operation care .................................. 71
Pre-launch checks.................................... 52
Pre-operation check points ...................... 52
Pre-operation checklist............................. 50
Primary Identification (PRI-ID) number ...... 1
R
Reboarding step (VX Cruiser) .................. 39
Recommended equipment ....................... 14
Remote control transmitter check
(VX Deluxe / VX Cruiser) ...................... 55
Remote control transmitter
(VX Deluxe / VX Cruiser) ...................... 25
Reverse system checks
(VX Deluxe / VX Cruiser) ...................... 54
Reverse system
(VX Deluxe / VX Cruiser) ...................... 30
Riding position.......................................... 60
Rustproofing ............................................. 76
S
Safe boating rules .................................... 18
Safety equipment check ........................... 57
Seat .......................................................... 38
Speedometer............................................ 33
Start switch............................................... 27
Starting off ................................................ 67
Starting off from a trailer........................... 68
Starting the engine on water .................... 60Steering system ....................................... 28
Steering system checks ........................... 53
Stern drain plug checks ............................ 57
Stern eyes ................................................ 40
Stopping the engine ................................. 61
Stopping the watercraft ............................ 63
Storage compartment checks .................. 56
Storage compartments ............................. 40
Submerged watercraft .............................. 87
Switch checks .......................................... 56
T
Tachometer .............................................. 34
Throttle lever ............................................ 28
Throttle lever checks ................................ 55
Tool kit...................................................... 77
Towing the watercraft ............................... 87
Transporting on a trailer ........................... 48
Troubleshooting ....................................... 81
Troubleshooting chart .............................. 81
Turning the watercraft .............................. 62
W
Water separator ....................................... 29
Water separator check ............................. 52
Watercraft characteristics ......................... 15
Watercraft control functions ..................... 25
Watercraft operation functions ................. 30
Watercraft operation modes ..................... 31
Water-skiing ............................................. 17
Y
Yamaha Security System settings ........... 26
Yamaha Security System
(VX Deluxe / VX Cruiser) ...................... 26
UF2N72E0.book Page 2 Monday, July 4, 2011 1:10 PM