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Trouble recovery
80
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
25
Engine shut-
off switchClip not in place Install clip
26
Fuse Burned out Replace fuse and
check wiring84
Battery Run down Recharge 71
Poor terminal con-
nectionsTighten as required
71
Terminal corroded Clean or replace 71
Starter motor Faulty Have serviced by
Yamaha dealer—
Engine does not
start (Starter motor
turns over)Throttle lever Squeezed Release 26
Fuel Empty Refill as soon as pos-
sible43
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
81
Engine runs irregu-
larly or stallsFuel Empty Refill as soon as pos-
sible43
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-
sible43
Oil pressure
warningOil pressure dropped Have serviced by
Yamaha dealer35
Engine over-
heatedJet intake clogged Clean
83
Check engine
warningFaulty sensors Have serviced by
Yamaha dealer36 TROUBLE POSSIBLE CAUSE REMEDY PAGE
UF2N70E0.book Page 81 Tuesday, October 6, 2009 9:57 AM
Page 89 of 96
Trouble recovery
82
Watercraft slow or
loses powerWatercraft
operation
mode
(VX Deluxe /
VX Cruiser)Low RPM mode acti-
vatedDeactivate Low RPM
Mode
30
Cavitation Jet intake clogged Clean 83
Impeller damaged or
wornHave serviced by
Yamaha dealer83
Engine over-
heat warningEngine speed reduc-
tion control activatedClean jet intake and
cool engine35
Oil pressure
warningEngine speed reduc-
tion control activatedAdd oil
35
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
UF2N70E0.book Page 82 Tuesday, October 6, 2009 9:57 AM
Page 94 of 96

Index
A
After removing the watercraft from
the water ............................................... 69
B
Battery care .............................................. 71
Battery checks.......................................... 52
Battery, jumping ....................................... 84
Beaching and docking the watercraft ....... 68
Beverage holder ....................................... 41
Bilge water check ..................................... 52
Bilge water, draining................................. 46
Bilge water, draining on land .................... 46
Bilge water, draining on water .................. 46
Boarding alone ......................................... 64
Boarding and starting off from a dock ...... 67
Boarding the watercraft ............................ 63
Boarding with passenger(s) ..................... 64
Bow eye ................................................... 38
Bow storage compartment ....................... 39
Builder’s plate............................................. 2
C
Capsized watercraft ................................. 67
Check engine warning.............................. 36
Cleaning ................................................... 74
Cleaning the watercraft ............................ 71
Cleat ......................................................... 39
Cooling water pilot outlet .......................... 28
Cooling water pilot outlet check ............... 57
Craft Identification Number (CIN) ............... 1
Cruising limitations ................................... 10
E
Emergency procedures ............................ 83
Engine break-in ........................................ 48
Engine compartment check...................... 51
Engine idling speed check ....................... 57
Engine oil ................................................. 44
Engine oil and oil filter .............................. 78
Engine oil level check............................... 51
Engine oil requirements ........................... 44
Engine overheat warning ......................... 35
Engine serial number ................................. 1
Engine shut-off cord (lanyard) check ....... 54
Engine shut-off switch .............................. 26
Engine stop switch ................................... 26
Engine unit check ..................................... 51Enjoy your watercraft responsibly ............ 18
Equipment ................................................ 37
F
Fire extinguisher check ............................ 56
Fire extinguisher holder and cover ........... 41
Fire extinguisher holder, cover,
and band checks................................... 55
Flushing the cooling water passages ....... 70
Fuel .......................................................... 43
Fuel level check ....................................... 51
Fuel level meter ........................................ 34
Fuel level warning .................................... 34
Fuel requirements .................................... 43
Fuel system checks .................................. 51
Fuses, replacing ....................................... 84
G
Getting to know your watercraft ............... 58
Glossary, watercraft ................................. 19
Glove compartment .................................. 40
H
Handgrip ................................................... 38
Hazard information ................................... 14
Hood check .............................................. 57
Hour meter/voltmeter ............................... 33
Hull and deck check ................................. 56
I
Identification numbers ................................ 1
Information display ................................... 32
J
Jet intake and impeller, cleaning .............. 83
Jet intake checks ...................................... 56
Jumper cables, connecting ...................... 84
L
Labels, important ........................................ 3
Labels, other .............................................. 7
Labels, warning .......................................... 4
Launching the watercraft .......................... 59
Learning to operate your watercraft ......... 58
Leaving the watercraft .............................. 60
Limitations on who may operate
the watercraft .......................................... 9
Long-term storage .................................... 74
Low RPM Mode
(VX Deluxe / VX Cruiser) ...................... 30
Lubrication................................................ 74
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