YAMAHA SUPERJET 2010 Owner's Manual

Safety information
14
EJU30991
Enjoy your watercraft
responsibly
You share the areas you enjoy when riding
your watercraft with others and with nature.
So your enjoyment includes a responsibility to
treat these other people, and the lands, wa-
ters, and wildlife with respect and courtesy.
Whenever and wherever you ride, think of
yourself as the guest of those around you. Re-
member, for example, that the sound of your
watercraft may be music to you, but it could be
just noise to others. And the exciting splash of
your wake can make waves others won’t en-
joy.
Avoid riding close to shoreline homes and wa-
terfowl nesting areas or other wildlife areas,
and keep a respectful distance from fisher-
men, other boats, swimmers, and populated
beaches. When travel in areas like these is
unavoidable, ride slowly and obey all laws.
Proper maintenance is necessary to ensure
that the exhaust emission and sound levels of
your watercraft will continue to be within regu-
lated limits. You have the responsibility to
make sure that the recommended mainte-
nance in this owner’s/operator’s manual is
carried out.
Remember, pollution can be harmful to the
environment. Do not refuel or add oil where a
spill could cause damage to nature. Remove
your watercraft from the water and move it
away from the shoreline before refueling. Dis-
pose of water and any fuel and oil residue in
the engine compartment according to local
regulations. And keep your surroundings
pleasant for the people and wildlife that share
the waterways: don’t litter.
When you ride responsibly, with respect and
courtesy for others, you help ensure that ourwaterways stay open for the enjoyment of a
variety of recreational opportunities.
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Description
15
EJU40652
Watercraft glossary
Trolling speed
“Trolling” is the lowest maneuvering speed. You are applying little or no throttle. The watercraft
is down in the water, and there is no wake.
Sub-planing speed
“Sub-planing” is a medium speed. The bow of the watercraft is slightly up from the water sur-
face, but you are still traveling through the water. There is a wake.
Planing speed
“Planing” is a faster speed. The watercraft is more level and is skimming on top of the water.
There is a wake.
Bow
The front end of the watercraft.
Stern
The rear end of the watercraft.
Starboard
The right side of the watercraft when facing forward.
Port
The left side of the watercraft when facing forward.
Bilge water
Water that has collected in the engine compartment.
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Description
16
EJU31011
Location of main components
2
1
3
45678
9
10
11
12 13
15 16
1Steering pole
2Steering pole cover
3Bow rope hole
4Fuel filler cap
5Cooling water pilot outlet
6Hood
7Hood latch
8Handlebars
9Storage pouch
10Riding tray
11Stern rope hole
12Jet thrust nozzle
13Ride plate
14Jet intake
15Drive shaft
16Intake grate
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Description
17
1Fire extinguisher container
2Fuel cock knob
3Choke knob
4Clip
5Start switch
6Throttle lever
7Engine shut-off cord (lanyard)
8Engine stop switch
9Engine shut-off switch
10Fuel tank
11Battery
12Silencer
13Spark plugs/Spark plug caps
14Water separator
15Muffler
16Fuel filter
17Flushing hose connector
18Electrical box
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Control function operation
18
EJU31024
Watercraft control functions EJU31152Engine stop switch“”
The engine stop switch (red button) stops the
engine when the switch is pushed.
EJU31163Engine shut-off switch“”
The engine shut-off switch automatically
stops the engine when the clip, on the end of
the engine shut-off cord (lanyard), is removed
from the switch, such as if the operator falls off
the watercraft.
Insert the clip under the engine shut-off switch
before starting the engine.
When the engine is not running, remove the
clip from the engine shut-off switch to preventaccidental starting or unauthorized operation
by children or others.
EJU41050Start switch“”
NOTICE
ECJ01360
Do not run the engine for more than 15
seconds on land without supplying water,
otherwise the engine could overheat.
The start switch (green button) starts the en-
gine when the switch is pushed.
Release the start switch as soon as the en-
gine starts to run. If the engine does not start
in 5 seconds, release the start switch, wait 15
seconds, and then try again. NOTICE: Never
push the start switch while the engine is
running. Do not operate the start switch
for more than 5 seconds, otherwise the
battery will be discharged and the engine
1Engine stop switch
1Clip
2Engine shut-off switch
3Engine shut-off cord (lanyard)
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Control function operation
19
will not start. Also, the starter motor could
be damaged.
[ECJ01040]
The engine will not start when the clip is re-
moved from the engine shut-off switch.
EJU31211Throttle lever
The throttle lever increases the engine speed
when the lever is squeezed.
The throttle lever returns automatically to its
fully closed (idle) position when released.
EJU35931Steering system
By turning the handlebars in the direction you
wish to travel, the angle of the jet thrust nozzleis changed, and the direction of the watercraft
is changed accordingly.
Since the strength of the jet thrust determines
the speed and degree of a turn, throttle must
always be applied when attempting a turn, ex-
cept at trolling speed.
The angle of the jet thrust nozzle can be ad-
justed to suit operator preference. (See page
56 for adjustment procedures.)
EJU31272Steering pole
The steering pole can be moved up or down
to change the height of the handlebars.
EJU31123Fuel cock knob
The fuel supply method can be switched by
operating the fuel cock knob.
1Start switch
1Throttle lever1Handlebar
2Jet thrust nozzle
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Control function operation
20
Select the fuel cock knob position from the fol-
lowing three positions according to the cir-
cumstances of use.
OFF:
With the fuel cock knob in this position, fuel
does not flow to the carburetors. Always turn
the fuel cock knob to this position when the
engine is not running.
ON:
With the fuel cock knob in this position, fuel
flows to the carburetors. Turn the fuel cock
knob to this position when starting the engine
and operating the watercraft.
RES:
With the fuel cock knob in this position, the
fuel reserve is made available. Turn the fuel
cock knob to this position if you run out of fuel
while operating the watercraft. When this oc-
curs, refuel as soon as possible and be sure
to turn the fuel cock knob back to “ON”.EJU31202Choke knob“”
The choke knob can be operated to supply a
richer air-fuel mixture that is required to start a
cold engine.
To use the choke:
Pull the choke knob out.
Push the choke knob in to stop using the
choke after the engine starts.
EJU31222Cooling water pilot outlet
When the engine is running, some of the cool-
ing water that is circulated in the engine is dis-
charged from the cooling water pilot outlet.
There is a cooling water pilot outlet on the port
(left) side of the watercraft. To check for prop-
er operation of the cooling system, make sure
that water is being discharged from the cool-
ing water pilot outlet. If water is not being dis-
charged from the outlet, stop the engine and
1Fuel cock knob
1Choke knob
1Cooling water pilot outlet
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Control function operation
21
check the jet intake for clogging. (See page
65 for information on the jet intake.)
TIP:

If the cooling water passages are dry, it will
take about 20 seconds for the water to
reach the outlet after the engine is started.

Water discharge may not be constant when
the engine is running at idling speed. If this
occurs, apply a little throttle to make sure
that water discharges properly.
EJU40321Water separator
The water separator prevents water from en-
tering the fuel tank by collecting any water that
has entered the fuel tank breather hose if the
watercraft was capsized.
If water has collected in the water separator,
drain it by loosening the drain screw.To drain water from the water separator:
(1) Place a drain pan or dry cloth under the
water separator.
(2) Gradually loosen the drain screw to drain
the water. Catch the draining water in the
drain pan or soak it up with the dry cloth
so that it does not spill into the engine
compartment. If any water spills into the
watercraft, be sure to wipe it up with a dry
cloth.
(3) Tighten the drain screw securely.
EJU31664Engine overheat warning system
If the engine temperature rises significantly,
the engine overheat warning system will acti-
vate and the engine speed will be limited to
about 3400 r/min to help prevent damage.
If the engine overheat warning system is acti-
vated, immediately reduce the engine speed,
return to shore, and then make sure that wa-
ter is being discharged from the cooling water
pilot outlet while the engine is running. If there
is no discharge of water, stop the engine, and
then check the jet intake for clogging. (See
page 65 for information on the jet intake.)
NOTICE: 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.
[ECJ00041]
1Water separator
1Drain screw
1
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Equipment operation
22
EJU40332
Equipment EJU31056Hood
The hood is removable.
Remove the hood to access the engine com-
partment.
To remove the hood:
(1) Lift the steering pole and support it with
the lock pin.(2) Turn the latch knob to the “OPEN” posi-
tion, and then pull up on the hood latch to
unlatch the hood.
(3) Grasp the hood using the handgrips pro-
vided at the front and rear of the hood. Lift
the hood up and to the rear to remove it.
1Steering pole
1Lock pin
1Hood latch
2Hood latch knob
1Handgrip
LOCKOPEN
1
2
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Equipment operation
23
To install the hood:
(1) Position the hood on the deck so that the
two projections at the front of the hood fit
under the two stays on the deck.
(2) Push down on the hood latch, and then
turn the knob to the “LOCK” position to
securely lock the hood in place.
(3) While holding the steering pole, move the
lock pin to the stowed position, and then
lower the steering pole.
EJU36001Bow rope hole
The bow rope hole is used to attach a rope to
the watercraft when transporting, mooring, ortowing it in an emergency. (See page 67 for
towing procedures.)
EJU36011Stern rope hole
The stern rope hole is used to attach a rope to
the watercraft when mooring it.
EJU31674Storage pouch
The storage pouch is located on the bottom of
the hood.
Use the storage pouch to store the own-
er’s/operator’s manual, tool kit, and other
small items. The storage pouch is not de-
signed to be waterproof. If you carry objects
that must be kept dry, put them in a water-
proof bag.
To remove the storage pouch:
(1) Remove the hood. (See page 22 for hood
removal and installation procedures.)
LOCKOPEN
1Bow rope hole
1Stern rope hole
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