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Page 3 of 78

Page 19 of 78

YAMAHA SUPERJET 2008 Owners Manual Safety information
12
EJU30850
Hazard information
When transporting or storing your water-
craft, always turn the fuel cock knob to
“OFF”, otherwise gasoline may overflow
from the carburetor.
N

Page 40 of 78

YAMAHA SUPERJET 2008 Owners Manual Operation
33
EJU32730
Operation
WARNING
EWJ00510
Before operating your watercraft, become
familiar with all of the controls. Consult a
Yamaha dealer about any control or func-
tion that you do not fu

Operation
33
EJU32730
Operation
WARNING
EWJ00510
Before operating your watercraft, become
familiar with all of the controls. Consult a
Yamaha dealer about any control or func-
tion that you do not fully understand. Fail-
ure to understand how the controls work
could cause an accident or prevent you
from avoiding an accident.
EJU32751Engine break-in
The engine break-in period is essential to al-
low the various components of the engine to
wear and polish themselves to the correct op-
erating clearances. This ensures proper per-
formance and promotes longer component
life.
CAUTION:
ECJ00421
For the first 2 tankfuls of fuel, premix the
fuel in a fuel-to-oil ratio of 25:1.
After break-in, premix the fuel in a fuel-
to-oil ratio of 50:1 for normal operation.
(1) Launch the watercraft, start the engine,
and then board the watercraft. (See page
33 for engine starting procedures.)
(2) Run the engine at the lowest possible
speed for 5 minutes.
(3) Gradually apply throttle to 3/4 or less.
(4) Operate the watercraft at 3/4 throttle or
less for the first tankful of fuel.
(5) Fill the fuel tank once more with fuel in a
fuel-to-oil ratio of 25:1, and then proceed
with normal operation.
CAUTION:
ECJ00430
Failure to follow the engine break-in pro-
cedure could result in reduced engine life
or even severe engine damage.
EJU32820Launching the watercraft
When launching the watercraft, make sure
that there are no obstacles around you.
After the watercraft is in the water, turn it
around so that the bow faces the direction you
wish to go. Start the engine, and then slowly
move away from the launching area. If there
are waves, someone should make sure that
the watercraft is not pushed into the trailer af-
ter launching the watercraft.
EJU32831Starting the engine
WARNING
EWJ00560
Never start the engine or let it run for any
length of time in an enclosed area. Ex-
haust fumes contain carbon monoxide, a
colorless, odorless gas that may cause
loss of consciousness and death within a
short time. Always operate the watercraft
in an open area.
NOTE:
If the watercraft has been sitting for a while,
remove the fuel tank filler cap to release any
built-up pressure in the fuel tank due to fuel
expansion, and then install the filler cap be-
fore starting the engine.
UF2F70E0.book Page 33 Tuesday, April 17, 2007 9:56 AM

Page 69 of 78

YAMAHA SUPERJET 2008 Owners Manual Specifications
62
EJU34542
Specifications
Watercraft capacity:
Maximum people on board:
1 person
Dimensions:
Length:
2240 mm (88.2 in)
Width:
680 mm (26.8 in)
Height:
660 mm (26.0 in)
Dry weight:
139

Page 74 of 78

YAMAHA SUPERJET 2008 Owners Manual Trouble recovery
67
gine. Any wrong connection could dam-
age the electrical system.
(4) Start the engine, and then disconnect the
jumper cables by reversing the steps
above.
CAUTION:
ECJ00480
Never

Trouble recovery
67
gine. Any wrong connection could dam-
age the electrical system.
(4) Start the engine, and then disconnect the
jumper cables by reversing the steps
above.
CAUTION:
ECJ00480
Never push the start switch while the en-
gine is running.
Do not operate the start switch for more
than 5 seconds, otherwise the battery
will be discharged and the engine will
not start. Also, the starter motor could
be damaged. If the engine does not start
in 5 seconds, release the start switch,
wait 15 seconds, and then try again.
EJU34670Replacing the fuse
The fuse is located in the electrical box.
To replace the fuse:
(1) Remove the cap, and then pull out the
red lead to pull out the fuse holder from
the electrical box.
(2) Open the fuse holder and replace the
fuse with one of the correct amperage.
WARNING
EWJ00800
Do not use fuses of higher amperage than
recommended. Substitution with a fuse
that has an improper rating can cause ex-
tensive electrical system damage and pos-
sible fire.
EJU34701Towing the watercraft
If the watercraft becomes inoperative in the
water, it can be towed to shore.
If the watercraft must be towed in an emer-
gency using a towline, the operator should
ride the watercraft, holding onto the handle-
bars and supporting his or her body weight on
the riding tray. This will help keep the bow of
the watercraft out of the water.
WARNING
EWJ00810
The watercraft should only be towed in
an emergency.
The towline should be long enough so
that the watercraft will not collide with
the towing boat when slowing down. A
good rule of thumb is a towline that is
three times the combined length of the
towing boat and the watercraft.
The operator of the towing boat must
keep speed to a minimum and avoid traf-
fic or obstacles which could be a hazard
to the rider on the watercraft.
CAUTION:
ECJ00710
Tow the watercraft at 5 mph (8 km/h) or
less, otherwise water could enter the en-
gine through the exhaust passages or
through the air intake and flood the en-
gine compartment if it is towed too fast.
1Electrical box
2Fuse holder
3Cap
4Fuse
Fuse amperage:
10 A
UF2F70E0.book Page 67 Tuesday, April 17, 2007 9:56 AM

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