
Table of contents
General and important labels ........... 1
Identification numbers .................... 1
Primary Identification (PRI-ID)
number ........................................... 1
Hull Identification Number (HIN) ........ 1
Engine serial number ........................ 1
Model information ........................... 2
Builder’s plate .................................... 2
Important labels .............................. 3
Warning labels ................................... 4
Other labels ....................................... 7
Safety information ............................. 9
Limitations on who may operate
the watercraft .............................. 9
Cruising limitations ....................... 10
Operation requirements ............... 11
Recommended equipment ........... 13
Hazard information ....................... 14
Watercraft characteristics ............. 14
Safe boating rules ........................ 15
Enjoy your watercraft
responsibly ................................ 16
Features and functions ................... 17
Location of main components ...... 17
Operation of controls and other
functions .................................... 21
Seat ................................................. 21
Hood ................................................ 21
Fuel tank filler cap ........................... 22
Oil tank filler cap .............................. 22
Engine stop switch .......................... 22
Engine shut-off switch ..................... 22
Start switch ...................................... 23
Throttle lever ................................... 23
Cooling water pilot outlets ............... 23
Steering system ............................... 24
Quick Shift Trim System (QSTS)
selector ........................................ 25
Handgrip .......................................... 26
Bow eye ........................................... 26
Stern rope holes .............................. 27Yamaha Engine Management
System (YEMS) ........................... 27
Multifunction information center ...... 27
Storage compartments .................... 32
Yamaha Adjustable
Sponsons (YAS) .......................... 33
Operation ......................................... 35
Fuel and oil .................................. 35
Gasoline .......................................... 35
2-stroke engine oil ........................... 36
Filling the fuel tank .......................... 36
Filling the oil tank ............................. 36
Pre-operation checks ................... 38
Pre-operation check list ................... 38
Pre-operation check points .............. 39
Operation ..................................... 45
Engine break-in ............................... 45
Launching the watercraft ................. 46
Starting the engine .......................... 46
Stopping the engine ........................ 48
Leaving the watercraft ..................... 48
Operating your watercraft ............ 48
Getting to know your watercraft ....... 48
Learning to operate your
watercraft ..................................... 48
Riding with a passenger .................. 49
Starting the watercraft ..................... 50
Boarding and starting in
deep water ................................... 51
Capsized watercraft ......................... 54
Turning the watercraft ..................... 55
Stopping the watercraft ................... 56
Beaching the watercraft ................... 57
Docking the watercraft ..................... 57
Rough water operation .................... 57
Post-operation care ...................... 58
Transporting ................................. 59
Maintenance and care .................... 60
Storage ........................................ 60
Flushing the cooling system ............ 60
Lubrication ....................................... 61
Fuel system ..................................... 61
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Table of contents
Battery ............................................. 61
Cleaning the watercraft ................... 62
Maintenance and adjustments ..... 63
Owner’s/operator’s manual and
tool kit ........................................... 63
Periodic maintenance chart ............. 65
Checking the fuel system ................ 66
Checking the oil injection system .... 66
Checking the jet thrust
nozzle angle ................................. 66
Checking and adjusting the throttle
cable ............................................ 67
Cleaning and adjusting the
spark plugs ................................... 67
Lubrication points ............................ 68
Checking the battery ....................... 69
Fuel injection system ....................... 71
Bleeding the oil pump ...................... 71
Adjusting the Yamaha Adjustable
Sponsons (YAS) .......................... 71
Specifications .................................. 72
Specifications ................................ 72
Trouble recovery ............................. 73
Troubleshooting ........................... 73
Troubleshooting chart ...................... 73
Emergency procedures ................ 76
Cleaning the jet intake and
impeller ........................................ 76
Jumping the battery ......................... 77
Replacing the fuses ......................... 78
Towing the watercraft ...................... 78
Submerged watercraft ..................... 79
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Features and functions
27
The bow eye is used to attach a rope to the
watercraft when transporting, mooring, or
towing it in an emergency.
EJU36020Stern rope holes
The stern rope holes are located at the stern
of the watercraft.
The stern rope holes are used to attach a rope
to the watercraft when transporting or moor-
ing it.
EJU31370Yamaha Engine Management System
(YEMS)
This model is equipped with an integrated,
computerized management system that con-
trols and adjusts ignition timing, fuel injection,
engine diagnostics, and the off-throttle steer-
ing (OTS) system.
EJU31420Multifunction information center
This meter contains the following functions for
help and convenience in operating the water-
craft.
CAUTION:
ECJ00060
Do not run the engine over 4000 r/min
when checking the operation of the
meter on land without supplying water,
otherwise the engine could overheat
and the catalytic converter could be se-
riously damaged.
Use the specified resistor-type spark
plugs and caps, otherwise the meter
may function erratically.
NOTE:
When the engine is started, all displays light
up for a few seconds, the buzzer sounds
twice, and then the meter starts to operate
normally.
1Bow eye
1Stern rope hole
1Tachometer
2Speedometer
3Hour meter/voltmeter
4Fuel level meter
5“WARNING” light
6Fuel level warning indicator
7Oil level warning indicator
8Engine overheat warning indicator
9Exhaust temperature warning indicator
10Check engine warning indicator
11Select button
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Features and functions
29
The meter shows the hours of engine opera-
tion that have elapsed since the watercraft
was new.
Voltmeter
The voltmeter is provided to display the volt-
age of the battery.
The voltmeter displays 12 volts or more when
the battery voltage is within specification.
If the voltage displayed is low, return to shore
and, if necessary, have a Yamaha dealer
check the charging system and the battery.
EJU31560Fuel level warning indicator
If the fuel remaining in the fuel tank drops to
about 13 L (3.4 US gal, 2.9 Imp gal), the low-
est two fuel level segments, the fuel level
warning indicator, and the “WARNING” light
begin to blink. The buzzer also starts sound-
ing intermittently.
If this occurs, refill the fuel tank as soon as
possible.
The warning signals will be cleared when the
engine is restarted after the fuel tank is re-
filled.
EJU31570Oil level warning indicator
If the oil remaining in the oil tank drops to
about 1.7 L (0.45 US gal, 0.37 Imp gal) or the
oil filter is clogged, the oil level warning indica-
tor and the “WARNING” light begin to blink.The buzzer also starts sounding intermittent-
ly.
If this occurs, refill the oil tank as soon as pos-
sible.
The warning signals will be cleared when the
engine is restarted after the oil tank is refilled.
NOTE:
If the oil level warning indicator and the
“WARNING” light blink when there is ade-
quate oil in the oil tank, have a Yamaha dealer
check the oil filter for dirt and clogs.
EJU31580Engine overheat warning indicator
This model is equipped with an engine over-
heat warning system.
If the engine starts to overheat, the “WARN-
ING” light and the engine overheat warning in-
dicator begin to blink, and the buzzer sounds
intermittently.
If this occurs, reduce the engine speed, return
to shore, and then check for water discharge
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Features and functions
31
speeds. If this occurs, the “WARNING” light
and the engine overheat warning indicator
come on and the buzzer sounds continuously.
In addition, the warning system will cut the ig-
nition to the engine to reduce the risk of se-
vere overheating. The engine cannot be
started until it cools down, so it may be neces-
sary to have the watercraft towed back to the
shore. (See “Towing the watercraft” on page
78 for towing procedures.)
The warning signals will be cleared when the
engine is restarted after it has cooled down.
NOTE:
If multiple warnings occur at the same time,
their priority is as follows:
(1) Final engine overheat warning
(2) Fuel level warning
(3) Oil level warning
(4) Initial engine overheat warning
(5) Exhaust temperature warning
(6) Check engine warning
EJU31610Exhaust temperature warning indicator
This model is equipped with an exhaust tem-
perature warning system.
If the exhaust temperature becomes too hot,
the “WARNING” light and the exhaust tem-
perature warning indicator begin to blink, and
the buzzer sounds intermittently.If this occurs, reduce the engine speed and
return to shore to allow the exhaust system to
cool down.
WARNING
EWJ00830
Do not touch the hot muffler or catalytic
converter during or immediately after en-
gine operation; they can cause serious
burns. In addition, the catalytic converter
becomes hotter after the engine stops be-
fore cooling down.
CAUTION:
ECJ00810
This model is equipped with a catalytic
converter.
If the “WARNING” light, exhaust temper-
ature warning indicator, and buzzer
come on, reduce the engine speed (be-
low 4000 r/min) and return to shore.
If you cannot locate and correct the
cause of the overheating, consult a
Yamaha dealer. Continuing to operate at
higher speeds could result in severe en-
gine damage.
The warning signals will be cleared when the
engine is restarted after it has cooled down.
EJU31630Check engine warning indicator
If a sensor malfunction or a short circuit is de-
tected, the “WARNING” light and the check
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Operation
36
EJU318802-stroke engine oil
CAUTION:
ECJ00270
Use only YAMALUBE 2-W engine oil, oth-
erwise the catalytic converter and other
engine components could be seriously
damaged.
NOTE:
YAMALUBE 2-W engine oil is developed for
this watercraft and available from a Yamaha
dealer.
EJU31920Filling the fuel tank
CAUTION:
ECJ00290
Be careful when refueling. Avoid getting
water and other contaminants in the fuel
tank. Contaminated fuel can cause poor
running and engine damage.
(1) Open the hood, remove the front storage
compartment, and then check the fuel
level. (See “Front storage compartment”
on page 32 for more information.)
(2) Remove the fuel tank filler cap, and then
slowly add fuel to the fuel tank. Stop fillingwhen the fuel level just reaches the bot-
tom of the filler tube.
(3) Install the fuel tank filler cap and front
storage compartment, and then close the
hood.
NOTE:
Do not fill up the filler tube because fuel ex-
pands as it warms up and could overflow.
EJU31960Filling the oil tank
WARNING
EWJ00420
Do not add gasoline to the oil tank. Fire
or explosion could result.
Oil in the bilge is a serious fire hazard.
Wipe up any spilled oil immediately.
CAUTION:
ECJ00300
Do not allow the oil tank to become com-
pletely empty. If the oil tank becomes emp-
ty, the oil pump must be bled to ensure
proper oil flow, otherwise engine damage
could result. If necessary, have a Yamaha
dealer bleed the oil pump.
(1) Remove the seat to view the oil level.
(See page 21 for seat removal and instal-
lation procedures.) Recommended engine oil:
YAMALUBE 2-W
Fuel tank capacity:
60.0 L (15.9 US gal) (13.2 Imp.gal)
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Operation
38
EJU31980
Pre-operation checks EJU31990Pre-operation check list
Before operating this watercraft, perform the checks in the following check list. See the accom-
panying text in this chapter for details on how to perform the checks.
WARNING
EWJ00410
If any item in the pre-operation check list is not working properly, have it inspected and
repaired before operating the watercraft, otherwise an accident could occur.
NOTE:
Pre-operation checks should be made each time the watercraft is used. These checks can be
completed in a short time. It is worth the time spent to ensure safety and reliability.
ITEM ROUTINE PAGE
BEFORE LAUNCH OR OPERATION
Engine compartmentRemove the seat and front storage compartment to
ventilate the engine compartment. Check for fuel va-
pors and loose electrical connections.39
BilgeCheck for water and fuel and drain if necessary. 39
Stern drain plugsCheck for proper installation. 40
Throttle leverCheck that the throttle lever springs back smoothly. 42
Steering systemCheck for proper operation. 42
QSTSCheck for proper operation. 42
Fuel and oilCheck the fuel and oil levels and replenish if neces-
sary.
Check the hoses and tanks for leakage.39
Water separatorCheck for water and drain if necessary. 39
BatteryCheck the electrolyte level and battery condition. 40
HoodCheck that the hood is securely closed. 21
SeatCheck that the seat is securely installed. 21
Hull and deckCheck the hull and deck for cracks and other dam-
age.39
Jet intakeCheck for debris and remove if necessary. 43
Fire extinguisherCheck the condition and replace if necessary. 41
Engine shut-off cordCheck the condition and replace if frayed or broken. 44
SwitchesCheck the start switch, engine stop switch, and en-
gine shut-off switch for proper operation.44
AFTER LAUNCH
Cooling water pilot outletCheck that water is discharged while the engine is
running and the watercraft is in the water.44
Multifunction information
centerCheck for warning indications and proper operation. 44
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Operation
39
EJU32280Pre-operation check points EJU32300Engine compartment
Ventilate the engine compartment before
each use.
To ventilate the engine compartment, remove
the seat and front storage compartment. (See
“Seat” on page 21 and “Front storage com-
partment” on page 32 for more information.)
Leave the engine compartment open for a few
minutes to allow any fuel vapors to escape.
While the engine compartment is open, check
for loose electrical connections.
WARNING
EWJ00460
Failure to ventilate the engine compart-
ment could result in a fire or explosion. Do
not start the engine if there is a fuel leak or
a loose electrical connection.
EJU32350Hull and deck
Check the hull and deck for cracks and other
damage. If any damage is found, have a
Yamaha dealer repair the watercraft.
EJU32371Fuel and oil systems
Check the fuel system for leakage, cracks,
and malfunctions before each use. (See page
66 for check points and correct procedures.)
(1) Remove the fuel tank filler cap to release
any pressure that might have built up in
the fuel tank.(2) Remove the seat and front storage com-
partment. (See “Seat” on page 21 and
“Front storage compartment” on page 32
for more information.)
(3) Check the fuel and oil levels in the tanks
and replenish if necessary. (See page 36
for refueling procedures and page 36 for
oil tank filling procedures.)
(4) Install the fuel tank filler cap, seat, and
front storage compartment.
EJU32420Water separator
Check the water separator for water. The wa-
ter separator retains any water that may have
entered through the fuel tank breather hose if
the watercraft was capsized. Normally, the
water separator is empty.
If water remains in the water separator, drain
it by removing the drain screw. Place a drain
pan under the water separator to catch the
draining water or use a dry cloth to soak up
any water that could spill into the watercraft. If
any water spills into the watercraft, be sure to
wipe it up with a dry cloth. Also, be sure to in-
stall the drain screw after draining the water
separator.
EJU32440Bilge
Check the bilge for moisture and fuel residue.
This watercraft is equipped with a convention-
al jet vacuum bilge draining system and an
1Water separator
2Drain screw
UF1G74E0.book Page 39 Monday, July 31, 2006 10:10 AM