Care and storage
81
ter flows out continually from the jet
thrust nozzle.
(7) Run the engine at idling speed for about
3 minutes watching the engine condition.
If the engine stops while flushing, turn
the water supply off immediately and
perform the procedure again from step 6.
NOTICE: Do not supply water to the
cooling water passages when the en-
gine is not running. The water could
flow back through the muffler into the
engine, causing severe engine dam-
age.
[ECJ00123]
(8) Turn the water supply off.
(9) Discharge the remaining water out of the
cooling water passages by alternately
squeezing and releasing the throttle lever
quickly for 10 to 15 seconds.
(10) Stop the engine.
(11) Remove the garden hose adapter, and
then securely install the flushing hose
connector cap by tightening it until it
stops.
(12) Securely install the watertight storage
compartment and seats in their original
positions.
EJU33736Cleaning the watercraft
(1) Remove the seats. (See page 43 for seat
removal and installation procedures.)
(2) Rinse the engine and engine compart-
ment with a small amount of water.NOTICE: Do not use high-pressure
water when rinsing the engine or en-
gine compartment as severe engine
damage could result.
[ECJ00572]
(3) Drain the water from the engine com-
partment. (See page 54 for information
on draining the bilge water.)
(4) Wipe the engine and engine compart-
ment with a dry cloth.
(5) Wash down the hull, deck, and jet pump
with fresh water.
(6) Wipe the hull, deck, and jet pump with a
dry cloth.
(7) Wipe all vinyl and rubber components,
such as the seats and engine compart-
ment seals, with a vinyl protectant.
(8) To minimize corrosion, spray metallic
parts of the hull, deck, and engine with a
rust inhibitor.
(9) Allow the engine compartment to air dry
completely before installing the seats.
(10) Securely install the seats in their original
positions.
EJU33687Battery care
If the watercraft will not be used for more than
a month, remove the battery from the water-
craft, check it, and then store it in a cool, dry
place.
WARNING
EWJ00792
Battery electrolyte is poisonous and dan-
gerous, causing severe burns, etc. Elec-
trolyte contains sulfuric acid. Avoid
contact with skin, eyes, or clothing.
Antidotes
External: Flush with water.
Internal: Drink large quantities of water or
milk. Follow with milk of magnesia, beaten
egg, or vegetable oil. Call a physician im-
mediately.
UF2W70E0.book Page 81 Tuesday, December 8, 2015 9:03 AM
Maintenance
87
EJU43101Periodic 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
questions, consult a Yamaha dealer.
This “√” mark indicates items to be checked and serviced by a Yamaha dealer.
Item OperationInitial Thereafter every
Page
10 hours50 hours
or 12
months
*1100
hours or
12
months
*1200
hours or
24
months
*1
Fuel lineCheck fuel hoses and
clamps√—
Fuel filler cap/Wa-
ter separatorCheck O-rings for cracks
and deformation√—
Fuel tankCheck installation and
straps√—
Water inlet strainerCheck for clogs and dam-
age√—
Cooling water hos-
esCheck for damage and
leakage, and check
clamps√—
Engine oilReplace√√89
Oil filterReplace√89
Intermediate hous-
ingLubricate√—
Spark plugsCheck√√—
BatteryCheck specific gravity of
electrolyte, terminals,
bands, and breather hose√—
Battery leadsCheck terminals√—
Steering masterCheck operation and for
looseness√√—
Steering cableCheck exterior and con-
nections, and lubricate√—
Electric trim rodCheck exterior and con-
nections, and lubricate√—
Shift rod and re-
verse gateCheck exterior and con-
nections, and lubricate√—
Air filter elementCheck for damage and
dirt√—
Air intake hosesCheck for damage, and
check clamps√
—
Throttle bodyLubricate throttle valves√—
UF2W70E0.book Page 87 Tuesday, December 8, 2015 9:03 AM
Trouble recovery
92
Engine runs irregu-
larly or stallsFuel Fuel tank empty Refill as soon as pos-
sible50
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-
sible50
Oil pressure
warningOil pressure dropped Have serviced by
Yamaha dealer40
Engine over-
heat warningJet intake clogged Clean
94
Check en-
gine warningFaulty sensors Have serviced by
Yamaha dealer41 TROUBLE POSSIBLE CAUSE REMEDY PAGE
UF2W70E0.book Page 92 Tuesday, December 8, 2015 9:03 AM
100
Index
A
After removing the watercraft from the
water ..................................................... 78
B
Battery care.............................................. 81
Battery checks ......................................... 60
Battery, jumping ....................................... 95
Beaching and docking the watercraft ...... 78
Bilge water check..................................... 60
Bilge water, draining ................................ 54
Bilge water, draining on land ................... 54
Bilge water, draining on water ................. 54
Boarding alone ......................................... 74
Boarding and starting off from a dock ..... 77
Boarding the watercraft ........................... 74
Boarding with passenger(s) ..................... 75
Bow eye ................................................... 45
Bow storage compartment ...................... 46
Builder’s plate ............................................ 2
C
Capsized watercraft ................................. 77
Check engine warning ............................. 41
Cleaning ................................................... 84
Cleaning the watercraft ............................ 81
Cleat ......................................................... 45
Cooling water pilot outlet ......................... 29
Cooling water pilot outlet check .............. 65
Craft Identification Number (CIN)............... 1
Cruising limitations................................... 11
E
Electric trim system.................................. 33
Emergency procedures ............................ 94
Engine break-in ........................................ 56
Engine compartment check ..................... 59
Engine cover, removing and installing ..... 85
Engine idling speed check ....................... 67
Engine oil ................................................. 52
Engine oil and oil filter .............................. 89
Engine oil level check............................... 60
Engine oil requirements ........................... 52
Engine overheat warning ......................... 40
Engine serial number ................................. 1
Engine shut-off cord (lanyard) check ....... 62
Engine shut-off switch ............................. 27
Engine stop switch................................... 27Engine unit check ..................................... 60
Enjoy your watercraft responsibly ............ 19
Equipment ................................................ 43
F
Fire extinguisher check ............................ 64
Fire extinguisher holder and cover........... 48
Fire extinguisher holder, cover, and
band checks ......................................... 63
Flushing the cooling water passages....... 80
Fuel .......................................................... 50
Fuel level check........................................ 59
Fuel level meter ........................................ 39
Fuel level warning..................................... 40
Fuel requirements .................................... 50
Fuel system checks ................................. 59
Fuses, replacing ....................................... 96
G
Getting to know your watercraft .............. 68
Glossary, watercraft ................................. 20
Glove compartment ................................. 47
H
Handgrip .................................................. 44
Hazard information................................... 15
Hood check .............................................. 65
Hour meter ............................................... 41
Hull and deck check ................................ 64
I
Identification numbers ............................... 1
Information display................................... 37
J
Jet intake and impeller, cleaning.............. 94
Jet intake checks ..................................... 64
Jet thrust nozzle and reverse gate
check .................................................... 64
Jumper cables, connecting ...................... 95
L
Labels, important ....................................... 4
Labels, other .............................................. 8
Labels, warning .......................................... 5
Launching the watercraft ......................... 69
Learning to operate your watercraft......... 68
Leaving the watercraft.............................. 70
Limitations on who may operate the
watercraft .............................................. 10
Long-term storage ................................... 84
UF2W70E0.book Page 100 Tuesday, December 8, 2015 9:03 AM
Index
101
Low RPM Mode ....................................... 35
Lubrication ............................................... 84
M
Main components, location of ................. 21
Maintenance ............................................ 85
Manufactured date label ............................ 2
Model information ...................................... 2
Multifunction information center .............. 37
Multifunction information center check ... 65
O
Oil pressure warning ................................ 40
Operating in weeded areas ...................... 78
Operating the watercraft .......................... 70
Operating the watercraft in reverse or
neutral ................................................... 73
Operating your watercraft ........................ 68
Operation requirements ........................... 12
P
Periodic maintenance chart ..................... 87
Post-launch checks ................................. 65
Post-operation care ................................. 80
Pre-launch checks ................................... 59
Pre-operation check points ..................... 59
Pre-operation checklist ............................ 57
Primary Identification (PRI-ID) number ...... 1
R
Raising the reverse gate .......................... 95
Reboarding step (VXR) ............................. 44
Recommended equipment ...................... 14
Remote control transmitter ...................... 25
Remote control transmitter check ........... 62
RiDE lever................................................. 28
RiDE lever checks .................................... 62
Riding position ......................................... 69
Rustproofing ............................................ 84
S
Safe boating rules .................................... 18
Safety equipment check .......................... 64
Seats ........................................................ 43
Shift indicator ........................................... 39
Shift system ............................................. 31
Shift system check................................... 66
Speedometer ........................................... 37
Start switch .............................................. 27
Starting off ............................................... 76Starting off from a trailer .......................... 77
Starting the engine on water .................... 69
Steering system ....................................... 28
Steering system checks ........................... 61
Stern drain plug checks ........................... 64
Stern eyes ................................................ 45
Stopping the engine ................................. 70
Stopping the watercraft ........................... 72
Storage compartment checks.................. 63
Storage compartments ............................ 46
Submerged watercraft ............................. 98
Switch checks .......................................... 63
T
Tachometer .............................................. 38
Throttle lever ............................................ 28
Throttle lever checks ................................ 62
Tool kit ..................................................... 85
Towing the watercraft .............................. 98
Transporting on a trailer ........................... 55
Trim indicator ........................................... 39
Trim indicator check ................................ 67
Troubleshooting ....................................... 91
Troubleshooting chart .............................. 91
Turning the watercraft .............................. 71
V
Voltmeter .................................................. 41
W
Wakeboarding and water-skiing .............. 17
Water separator ....................................... 29
Water separator check ............................. 60
Watercraft characteristics ........................ 15
Watercraft control functions..................... 25
Watercraft operation functions ................ 31
Watercraft operation modes .................... 35
Watertight storage compartment ............. 48
Y
Yamaha Security System ......................... 26
Yamaha Security System settings ........... 26
UF2W70E0.book Page 101 Tuesday, December 8, 2015 9:03 AM