Trouble recovery
100
Engine runs irregu-
larly or stallsFuel Fuel tank empty Refill as soon as pos-
sible58
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-
sible58
Oil pressure
warningOil pressure dropped Have serviced by
Yamaha dealer44
Engine over-
heat warningJet intake clogged Clean
102
Check engine
warningFaulty sensors Have serviced by
Yamaha dealer45 TROUBLE POSSIBLE CAUSE REMEDY PAGE
UF2S70E0.book Page 100 Wednesday, December 7, 2011 3:56 PM
Trouble recovery
101
Watercraft slow or
loses powerShift lever Not completely shift-
ed into forward posi-
tionPush lever forward
until it stops 32
Watercraft
operation
modeLow RPM Mode acti-
vatedDeactivate Low RPM
Mode 35
Cavitation Jet intake clogged Clean 102
Impeller damaged or
wornHave serviced by
Yamaha dealer102
Engine over-
heat warningEngine speed reduc-
tion control activatedClean jet intake and
cool engine44
Oil pressure
warningEngine speed reduc-
tion control activatedAdd 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
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
UF2S70E0.book Page 101 Wednesday, December 7, 2011 3:56 PM
Index
A
Adjustable tilt steering system.................. 30
Adjustable tilt steering system checks ..... 70
After removing the watercraft
from the water ....................................... 87
Analog speedometer/tachometer ............. 40
B
Battery care .............................................. 89
Battery checks.......................................... 68
Battery, jumping ..................................... 103
Beaching and docking the watercraft ....... 86
Beverage holders ..................................... 55
Bilge pump fuse, replacing ..................... 105
Bilge water check ..................................... 68
Bilge water, draining................................. 61
Bilge water, draining on land .................... 61
Bilge water, draining on water .................. 62
Boarding alone ......................................... 81
Boarding and starting off from a dock ...... 85
Boarding the watercraft ............................ 81
Boarding with passenger(s) ..................... 82
Bow eye ................................................... 51
Bow storage compartment ....................... 52
Builder’s plate............................................. 2
C
Capsized watercraft ................................. 85
Check engine warning.............................. 45
Cleaning ................................................... 92
Cleaning the watercraft ............................ 89
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 .......................... 102
Engine break-in ........................................ 64
Engine compartment check...................... 67
Engine cover, removing and installing ..... 94
Engine idling speed check ....................... 74
Engine oil ................................................. 60
Engine oil and oil filter .............................. 97Engine 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 ....... 88
Fuel .......................................................... 58
Fuel level check ....................................... 67
Fuel level meter ........................................ 43
Fuel level warning .................................... 44
Fuel requirements .................................... 58
Fuel system checks .................................. 67
Fuses, replacing ..................................... 103
G
Getting to know your watercraft ............... 75
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 ............ 102
Jet intake checks ...................................... 73
Jumper cables, connecting .................... 103
L
Labels, important ........................................ 4
Labels, other .............................................. 9
Labels, warning .......................................... 5
Launching the watercraft .......................... 76
UF2S70E0.book Page 1 Wednesday, December 7, 2011 3:56 PM
