Care and storage
78
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 removable watertight
storage compartment and seats in their
original positions.
EJU33736Cleaning the watercraft
(1) Remove the seats. (See page 41 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 52 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.
EJU33688Battery 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.
UF2W73E0.book Page 78 Tuesday, August 2, 2016 10:10 AM
Trouble recovery
90
Watercraft slow or
loses powerWatercraft
operation
modeLow RPM Mode acti-
vatedDeactivate Low RPM
Mode 34
Cavitation Jet intake clogged Clean 91
Impeller damaged or
wornHave serviced by
Yamaha dealer91
Engine over-
heat warningEngine speed reduc-
tion control activatedClean jet intake and
cool engine39
Oil pressure
warningEngine speed reduc-
tion control activatedAdd oil
39
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—
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
UF2W73E0.book Page 90 Tuesday, August 2, 2016 10:10 AM
Index
98
Low RPM Mode ....................................... 34
Lubrication ............................................... 81
M
Main components, location of ................. 20
Maintenance ............................................ 82
Manufactured date label ............................ 2
Model information ...................................... 2
Multifunction information center .............. 36
Multifunction information center check ... 63
O
Oil pressure warning ................................ 39
Operating in weeded areas ...................... 75
Operating the watercraft .......................... 67
Operating the watercraft in reverse or
neutral ................................................... 70
Operating your watercraft ........................ 65
Operation requirements ........................... 11
P
Periodic maintenance chart ..................... 84
Post-launch checks ................................. 63
Post-operation care ................................. 77
Pre-launch checks ................................... 57
Pre-operation check points ..................... 57
Pre-operation checklist ............................ 55
Primary Identification (PRI-ID) number ...... 1
R
Raising the reverse gate .......................... 92
Reboarding step ...................................... 42
Recommended equipment ...................... 13
Remote control transmitter ...................... 24
Remote control transmitter check ........... 60
Removable watertight storage
compartment ........................................ 46
RiDE lever................................................. 27
RiDE lever checks .................................... 60
Riding position ......................................... 66
Rustproofing ............................................ 81
S
Safe boating rules .................................... 17
Safety equipment check .......................... 62
Seats ........................................................ 41
Shift indicator ........................................... 37
Shift system ............................................. 30
Shift system check................................... 63
Speedometer ........................................... 36Start switch .............................................. 26
Starting off ............................................... 73
Starting off from a trailer .......................... 74
Starting the engine on water .................... 66
Steering system ....................................... 27
Steering system checks ........................... 59
Stern drain plug checks ........................... 62
Stern eyes ................................................ 43
Stopping the engine ................................. 67
Stopping the watercraft ........................... 69
Storage compartment checks.................. 61
Storage compartments ............................ 44
Submerged watercraft ............................. 95
Switch checks .......................................... 61
T
Tachometer .............................................. 37
Throttle lever ............................................ 27
Throttle lever checks ................................ 60
Tool kit ..................................................... 82
Towing the watercraft .............................. 95
Transporting on a trailer ........................... 53
Trim indicator ........................................... 38
Trim indicator check ................................ 64
Troubleshooting ....................................... 88
Troubleshooting chart .............................. 88
Turning the watercraft .............................. 68
V
Voltmeter .................................................. 40
W
Wakeboarding and water-skiing .............. 16
Water separator ....................................... 28
Water separator check ............................. 58
Watercraft characteristics ........................ 14
Watercraft control functions..................... 24
Watercraft operation functions ................ 30
Watercraft operation modes .................... 34
Y
Yamaha Security System ......................... 25
Yamaha Security System settings ........... 25
UF2W73E0.book Page 98 Tuesday, August 2, 2016 10:10 AM