Trouble recovery
101
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.
EJU42780Troubleshooting chart
Confirm the possible cause and remedy, and then refer to the applicable page.
TROUBLEPOSSIBLE CAUSE REMEDYPAGE
Engine does not
start (Starter motor
does not turn over) Ya m a h a S e -
curity System
Lock mode selected Select unlock mode
27
Engine shut-
off switch Clip not in place Install clip
28
Fuse Burned out Replace fuse and
check wiring 105
Battery Run down Recharge90
Poor terminal con-
nections Tighten as required
90
Terminal corroded Clean or replace 90
Starter motor Faulty Have serviced by
Yamaha dealer —
Engine does not
start (Starter motor
turns over) Throttle lever Squeezed
Release28
Fuel Fuel tank empty Refill as soon as pos-
sible 58
Stale or contaminat-
ed Have 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
cap Not connected or
loose Have serviced by
Yamaha dealer
—
Connected to wrong
cylinder Have serviced by
Yamaha dealer
—
Fuel injec-
tion system Fuel pump faulty Have serviced by
Yamaha dealer —
Throttle lever Faulty Have serviced by
Yamaha dealer —
UF3J70E0.book Page 101 Wednesd
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Trouble recovery
102
Engine runs irregu-
larly or stallsFuel Fuel tank empty Refill as soon as pos-
sible58
Stale or contaminat-
ed Have serviced by
Yamaha dealer
—
Incorrect octane
number Use correct fuel
58
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
cap Not connected or
loose Have serviced by
Yamaha dealer
—
Cracked, torn, or
damaged Have serviced by
Yamaha dealer
—
Electrical wir-
ing Loose connection Have serviced by
Yamaha dealer —
Fuel injec-
tion system Faulty or clogged in-
jectors Have serviced by
Yamaha dealer
—
Warning light or in-
dicator blinks or
comes on Fuel level
warning
Fuel tank empty Refill as soon as pos-
sible 58
Oil pressure
warning Oil pressure dropped Have serviced by
Yamaha dealer 44
Engine over-
heat warning Jet intake clogged Clean
104
Check en-
gine warning Faulty sensors Have serviced by
Yamaha dealer 45
TROUBLE POSSIBLE CAUSE REMEDY PAGE
UF3J70E0.book Page 102 Wednesd
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Trouble recovery
103
Watercraft slow or
loses powerShift lever Not completely shift-
ed into forward posi-
tion Push lever forward
until it stops 32
Watercraft
operation
mode Low RPM Mode acti-
vated
Deactivate Low RPM
Mode 35
Cavitation Jet intake clogged Clean 104 Impeller damaged or
worn Have serviced by
Yamaha dealer
104
Engine over-
heat warning Engine speed reduc-
tion control activated Clean jet intake and
cool engine
44
Oil pressure
warning Engine speed reduc-
tion control activated Add oil
44
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
cap Not connected or
loose Have serviced by
Yamaha dealer
—
Electrical wir-
ing Loose connection Have serviced by
Yamaha dealer —
Fuel Stale or contaminat- ed Have serviced by
Yamaha dealer
—
Incorrect octane
number Use correct fuel
58
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
UF3J70E0.book Page 103 Wednesd
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Index
A
Adjustable tilt steering system ................. 30
Adjustable tilt steering system checks .... 70
After removing the watercraft from the water ..................................................... 88
Analog speedometer/tachometer ............ 40
B
Battery care.............................................. 90
Battery checks ......................................... 68
Battery, jumping ..................................... 105
Beaching and docking the watercraft ...... 87
Beverage holders ..................................... 55
Bilge pump fuse, replacing .................... 107
Bilge water check..................................... 68
Bilge water, draining ................................ 61
Bilge water, draining on land ................... 61
Bilge water, draining on water ................. 62
Boarding alone ......................................... 82
Boarding and starting off from a dock ..... 86
Boarding the watercraft ........................... 82
Boarding with passenger(s) ..................... 83
Bow eye ................................................... 51
Bow storage compartment ...................... 52
Builder’s plate ............................................ 2
C
Capsized watercraft ................................. 86
Check engine warning ............................. 45
Cleaning ................................................... 93
Cleaning the watercraft ............................ 90
Cleat ......................................................... 51
Cooling water pilot outlet check .............. 74
Cooling water pilot outlets ....................... 30
Craft Identification Number (CIN)............... 1
Cruise assist............................................. 37
Cruising limitations................................... 12
D
Digital speedometer ................................. 41
E
Emergency procedures .......................... 104
Engine break-in ........................................ 64
Engine compartment check ..................... 67
Engine cover, removing and installing ..... 95
Engine idling speed check ....................... 75
Engine oil ................................................. 60
Engine oil and oil filter .............................. 99 Engine oil level check ............................... 68
Engine oil requirements ........................... 60
Engine overheat warning.......................... 44
Engine serial number ................................. 1
Engine shut-off cord (lanyard) check ....... 72
Engine shut-off switch ............................. 28
Engine stop switch ................................... 28
Engine unit check ..................................... 68
Enjoy your watercraft responsibly ............ 20
Equipment ................................................ 49
F
Fire extinguisher check ............................ 73
Fire extinguisher holder and cover........... 57
Fire extinguisher holder, cover, and
band checks ......................................... 73
Flushing the cooling water passages....... 89
Fuel .......................................................... 58
Fuel level check........................................ 67
Fuel level meter ........................................ 43
Fuel level warning..................................... 44
Fuel requirements .................................... 58
Fuel system checks ................................. 67
Fuses, replacing ..................................... 105
G
Getting to know your watercraft .............. 76
Glossary, watercraft ................................. 21
Glove compartment ................................. 53
H
Handgrip .................................................. 50
Hazard information................................... 16
Hood check .............................................. 74
Hour meter/voltmeter ............................... 42
Hull and deck check ................................ 73
I
Identification numbers ............................... 1
Information display................................... 41
J
Jet intake and impeller, cleaning............ 104
Jet intake checks ..................................... 73
Jumper cables, connecting .................... 105
L
Labels, important ....................................... 4
Labels, other .............................................. 9
Labels, warning .......................................... 5
Launching the watercraft ......................... 77
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