2018 YAMAHA SUPERJET weight

Operation
41
wake, but the watercraft is moving through
the water rather than skimming on top of it.)
At very slow speeds, it may be necessary to
support your upper-body weight with your el-
bows resting on the gunwales, trailing your
legs in the water.
Standing
After you are comfortable handling the water-
craft from a kneeling position, try standing as
the watercraft gains speed. The watercraft
will become easier to balance as the speed
increases, because jet thrust provides stabil-
ity as well as directional control. When you
are moving slowly, or preparing to stop, you
will probably need to return to the kneeling
position to maintain your balance.
EJU32822Launching the watercraft
When launching the watercraft, make sure
that there are no obstacles around you.If the watercraft is launched from a trailer,
someone should make sure that waves do
not push the watercraft into the trailer.
After the watercraft is in the water, turn it
around so that the bow faces the direction
you wish to go.
EJU32836Starting the engine on water
WARNING
EWJ01521
Do not apply throttle when others are at
the rear of the watercraft. Turn the engine
off or keep it at idle. Water and debris ex-
iting the jet thrust nozzle can cause severe
injury.
To start the engine:
(1) Move the watercraft to an area that is
free from weeds and debris, and has a
water depth of at least 60 cm (2 ft) from
the bottom of the watercraft. NOTICE:
Never run the engine in water that is
less than 60 cm (2 ft) deep from the
bottom of the watercraft, otherwise
pebbles or sand could be sucked into
the jet intake, causing impeller dam-
age and engine overheating.
[ECJ00473]
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Operation
45
general, the higher the speed or the sharper
the turn, the more you lean.
EJU33273Stopping the watercraft
The watercraft is not equipped with a sepa-
rate braking system. It is stopped by water
resistance when the throttle lever is released.
From full speed, the watercraft comes to a
complete stop in approximately 90 m (300 ft)
after the throttle lever is released or the en-
gine is stopped, although this distance will
vary depending on many factors, including
gross weight, water surface conditions, and
wind direction. The watercraft slows down as
soon as the throttle lever is released, but will
coast for a distance before fully stopping. If
you are not sure you can stop in time beforehitting an obstacle, apply throttle and turn in
another direction.
WARNING
EWJ00723
Allow adequate stopping distance.
Take early action to avoid collisions. Re-
member, watercraft and other boats do
not have brakes.
Operate defensively at safe speeds and
keep a safe distance away from people,
objects, and other watercraft to give you
time to stop.
Do not shut the engine off when slowing
down in case you need engine power to
steer away from a boat or other obstacle
that comes into your path.
EJU33075Starting off
WARNING
EWJ00712
To avoid collisions:
Scan constantly for people, objects, and
other watercraft. Be alert for conditions
that limit your visibility or block your vi-
sion of others.
Operate defensively at safe speeds and
keep a safe distance away from people,
objects, and other watercraft.
Do not follow directly behind watercraft
or other boats. Do not go near others to
spray or splash them with water. Avoid
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Operation
47
(5) Pull your other knee up onto the riding
tray as the watercraft speed increases.
(6) Move as far forward as possible without
interfering with the movement of the han-
dlebars. Keep your body perpendicular
to the water, with your weight forward
and low.
TIP:
The watercraft will become easier to balance
as the speed increases, because jet thrust
provides stability as well as directional con-
trol.
EJU33125Boarding and starting in deep water
WARNING
EWJ01261
Be sure the operator have practiced
boarding from the water while still close to
shore before riding. A person who has
made many unsuccessful attempts to get
back on the watercraft may become fa-
tigued and suffer from exposure, increas-
ing the risk of injury and drowning.
(1) Swim to the rear of the watercraft. Attach
the engine shut-off cord (lanyard) to yourleft wrist, and then attach the clip to the
engine shut-off switch.
(2) Grip the handlebars with both hands.
P u ll y o u r b o dy u p o n t o t h e r i d i n g t r ay an d
balance there, using your elbows on the
gunwales for leverage.
(3) Look in all directions, start the engine,
and then begin to accelerate.
(4) Continue to pull your body up onto the
watercraft as the watercraft speed in-
creases.
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Operation
48
(5) Bring your knees up onto the riding tray
and change to a kneeling position as
soon as you can do so.
(6) Move as far forward as possible without
interfering with the movement of the han-
dlebars. Keep your body perpendicular
to the water, with your weight forward
and low.
(7) Once the bow drops, and the watercraft
has leveled out in the water and reached
planing speed, back off the throttle and
select your desired speed.
TIP:
The watercraft will become easier to balan-
ce as the speed increases, because jet
thrust provides stability as well as direc-
tional control.
It will take longer for a heavy operator to
reach planing speed than it will for a light
operator.
EJU33205Capsized watercraft
WARNING
EWJ00672
Improper uprighting can cause injury.
Be sure to shut the engine off by pulling
on the engine shut-off cord (lanyard) to
remove the clip from the engine shut-off
switch.
Do not put your hands in the intake
grate.
If the watercraft capsizes, turn it over imme-
diately.
To upright the watercraft:
(1) Remove the clip from the engine shut-off
switch.
(2) Swim to the rear of the watercraft. Turn
the watercraft over clockwise.
If the port (left) side of the capsized wa-
tercraft is tilting up, push down on the
gunwale so that the port (left) side is
down before turning the watercraft
clockwise. NOTICE: Do not turn the
watercraft over counterclockwise,
otherwise water can enter the engine,
which can result in severe damage.
[ECJ00542]
(3) Start the engine and operate the water-
craft at planing speed to drain the bilge
water in the engine compartment. (See
page 29 for information on draining the
bilge water. If the engine does not start,
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Specifications
63
EJU34543
Specifications
Watercraft capacity:
Maximum people on board:
1 person
Dimensions and weight:
Length:
2240 mm (88.2 in)
Width:
680 mm (26.8 in)
Height:
660 mm (26.0 in)
Dry weight:
139 kg (306 lb)
Performance:
Maximum fuel consumption:
29.0 L/h (7.7 US gal/h, 6.4 Imp.gal/h)
Cruising range at full throttle:
0.62 hour
Trolling speed:
1300 ±50 r/min
Engine:
Engine type:
2-stroke
Number of cylinders:
2
Engine displacement:
701 cm³
Bore × stroke:
81.0 × 68.0 mm (3.19 × 2.68 in)
Compression ratio:
7.2 : 1
Lubrication system:
Pre-mixed fuel and oil
Cooling system:
Water
Starting system:
Electric
Ignition system:
C.D.I.
Spark plug (NGK):
BR7HS
Spark plug gap:
0.6–0.7 mm (0.024–0.028 in)
Battery capacity:
12 V, 19 Ah
Charging system:
Flywheel magneto
Drive unit:
Propulsion system:
Jet pump
Jet pump type:
Axial flow, single stage
Impeller rotation:
Counterclockwise
Jet thrust nozzle angle:
P1: 14.4+14.4°
P2: 17.3+17.3°
Fuel and oil:
Recommended fuel:
Regular unleaded gasoline
Minimum octane rating (PON):
86
Minimum octane rating (RON):
90
Recommended engine oil:
YAMALUBE 2-W or TC-W3 outboard motor
oil or equivalent
Fuel mixing ratio (fuel to oil):
50 : 1
Fuel tank total capacity:
18 L (4.8 US gal, 4.0 Imp.gal)
Fuel tank reserve capacity:
5.5 L (1.5 US gal, 1.2 Imp.gal)
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Trouble recovery
68
(4) Open the fuse holder and replace the
fuse with one of the correct amperage.
WARNING! Do not use fuses of a dif-
ferent amperage than recommended.
Substitution with a fuse that has an
improper rating can cause extensive
electrical system damage and possi-
ble fire.
[EWJ00803]
(5) Insert the fuse holder into the electrical
box.
(6) Securely install the cap by tightening it
until it stops.
(7) Securely install the hood in its original
position.
EJU34705Towing the watercraft
WARNING
EWJ00812
The operator of the towing boat must
keep speed to a minimum and avoid
traffic or obstacles which could be a
hazard to the operator on the water-
craft.
The towline should be long enough so
that the watercraft will not collide with
the towing boat when slowing down.
If the watercraft becomes inoperative in the
water, it can be towed to shore.
To tow the watercraft:
Use a towline that is three times the com-
bined length of the towing boat and the wa-
tercraft.
(1) Securely attach the towline to the bow
rope hole of the watercraft being towed.
(2) Ride the watercraft with your body
weight supported on the riding tray. Hold
on to the handlebars in order to balance
the watercraft and keep the bow up out
of the water. NOTICE: The bow must be
kept up out of the water during tow-
ing, otherwise water could flood the
engine compartment or water could
flow back into the engine, causing se-
vere engine damage.
[ECJ01331]
Tow the watercraft at 8 km/h (5 mph) or less.
NOTICE: Tow the watercraft at 8 km/h (5
mph) or less, otherwise water could flood
the engine compartment or water could
flow back into the engine, causing severe
engine damage.
[ECJ01322]
1Fuse holder
2Electrical box
3Fuse
4Cap
Fuse amperage:
Battery fuse:
10 A1Bow rope hole
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