YAMAHA SUPERJET 2002 Owner's Guide

2-8
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Steering pole
The steering pole varies in height with the
operator’s posture, enabling the operator to
assume various riding positions.
When removing the hood for pre-opera-
tion checks, maintenance, etc., lift the steer-
ing pole 1 and use the lock pin 2 to
support it. Move the lock pin into the detent.
Make sure the lock pin is returned to the
stowed position after installing the hood.
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2-9
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Engine overheat warning
system
This model is equipped with an engine
overheat warning system.
If the engine starts to overheat, the
engine speed will be limited to about
3,400 r/min.
When this occurs, check for water dis-
charge at the cooling water pilot outlet. If
there is no discharge of water, reduce the
engine speed and beach the watercraft, and
then check the intake grate and impeller for
clogging.
WARNING@ Before attempting to remove weeds or
debris from the intake grate or impeller,
shut the engine off and remove the clip
from the engine shut-off switch. Severe
injury or death could result from coming
in contact with the rotating parts of the
jet pump.
@
CAUTION:@ 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
engine damage.
@
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Storage pouch
A storage pouch is provided on the under-
side of the hood for the Owner’s/Operator’s
Manual, tool kit and other small items.
Bend the Owner’s/Operator’s Manual
slightly to insert it into the storage pouch 1,
then add the tool kit and any other small
items. Fold the pouch and tie it with the belt.
Install the storage pouch on the hood and
secure it with the bands 2.
NOTE:@ The storage pouch is not waterproof. To
keep the contents of the storage pouch dry,
put them in a waterproof bag before putting
them in the storage pouch.
@
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E
–MEMO–
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3
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OPERATION
Fuel and oil ............................................... 3-1
Gasoline ................................................. 3-1
2-stroke engine oil .................................. 3-2
Mixing fuel and oil .................................. 3-3
Filling the fuel tank ................................. 3-4
Pre-operation checks .............................. 3-5
Pre-operation check list ......................... 3-5
Pre-operation check points .................... 3-6
Operation ................................................ 3-13
Engine break-in .................................... 3-13
Starting the engine ............................... 3-15
Stopping the engine ............................. 3-18
Leaving the watercraft ......................... 3-18
Operating your watercraft .................... 3-19
Getting to know your watercraft ........... 3-19
Learning to operate your watercraft .... 3-19
Starting the watercraft .......................... 3-21
Operating positions .............................. 3-25
Capsized watercraft ............................. 3-26
Turning the watercraft .......................... 3-27
Stopping the watercraft ........................ 3-29
Beaching the watercraft ....................... 3-30
Rough water operation ........................ 3-30
Post-operation checks ......................... 3-31
Transporting .......................................... 3-33
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Fuel and oil
EJU01042
Gasoline
WARNING@ GASOLINE AND ITS VAPORS ARE
HIGHLY FLAMMABLE AND EXPLOSIVE!

Do not smoke when refueling, and
keep away from sparks, flames, or
other sources of ignition.

Stop engine before refueling.

Refuel in a well-ventilated area. Do not
stand or sit on the watercraft while
refueling in case of fire.

Take care not to spill gasoline. If gaso-
line spills, wipe it up immediately with
dry rags. Always properly dispose of
gasoline-soaked rags.

Avoid overfilling the fuel tank. Stop fill-
ing when the fuel level just reaches the
bottom of the filler tube. Do not fill up
the filler tube because fuel expands as
it warms up and could overflow.

Tighten the filler cap securely after
refueling.

If you should swallow some gasoline,
inhale a lot of gasoline vapor, or get
gasoline in your eyes, get immediate
medical attention.

If any gasoline spills onto your skin,
immediately wash with soap and
water. Change clothing if gasoline
spills on it.
@
CAUTION:@ Use only fresh gasoline that has been
stored in clean containers.
@
Recommended gasoline:
Regular unleaded gasoline with a
minimum octane rating of
86 (Pump octane number) = (R+M)/2
90 (Research octane number)
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Gasohol
There are two types of gasohol: gasohol
containing ethanol and that containing meth-
anol.
Gasohol containing ethanol can be used
if ethanol content does not exceed 10 % and
the fuel meets minimum octane ratings.
Gasohol containing methanol is not rec-
ommended by Yamaha because it can
cause fuel system damage or engine perfor-
mance problems.
EJU01044
2-stroke engine oil
If YAMALUBE 2-W is not available,
another 2-stroke engine oil with an NMMA-
certified TC-W3 rating may be used.Recommended engine oil:
YAMALUBE 2-W
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Mixing fuel and oil
CAUTION:@
Avoid using any mixture of gasoline
and oil other than those designated.

Make sure gasoline and oil are thor-
oughly mixed in the correct ratio, oth-
erwise the following problems may
occur. Too little oil in the fuel mixing
ratio could result in major engine trou-
ble, such as seizure. Too much oil in
the fuel mixing ratio could result in
fouled spark plugs, smoky exhaust, or
heavy carbon deposits.
@
Pour 2-stroke engine oil 1 into a clean
container, and then add gasoline 2. To mix
them thoroughly, shake the container from
side to side.
Fuel mixing ratios (gasoline to oil)
Break-in period
(first two tankfuls): 25 : 1
After break-in: 50 : 1
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Filling the fuel tank
CAUTION:@ Be careful when refueling. Avoid getting
water or other contaminants in the fuel
tank. Contaminated fuel can cause poor
running or engine damage.
@
1. Lift the steering pole and support it with
the lock pin.
2. Remove the hood.
3. Open the fuel tank filler cap, and slowly
add the premixed fuel to the fuel tank.
4. Stop filling when the fuel level just
reaches the bottom of the filler tube.
NOTE:@
The hood must be removed in order to
watch the fuel level in the fuel tank while
adding fuel.

Be careful not to spill fuel or overfill the
tank.

Do not fill into the filler tube because fuel
could overflow.
@
Fuel tank capacity:
Total: 18 L (4.8 US gal, 4.0 Imp gal)
Reserve: 5.5 L
(1.45 US gal, 1.21 Imp gal)
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Pre-operation checks
EJU01347
Pre-operation check list
Before operating this watercraft, perform the checks in the following check list. See the
accompanying text in this chapter for details on how to perform the checks.
WARNING@ 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 thoroughly each time the watercraft is used. This pro-
cedure can be completed in a short time. It is worth the time spent to assure safety and reli-
ability.
@
ITEM ROUTINE PAGE
Engine compar tment Remove hood, ventilate fuel vapors and check
electrical connections3-6
Bilge Check for water and fuel residue and remove if
necessary3-7
Throttle Check that throttle lever springs back 3-10
Steering system Check for proper steering system operation 3-10
Fuel Check fuel level and add if necessary
Check hoses and tank for leakage3-6
Water separator Check for water and drain if necessary 3-7
Battery Check electrolyte level and battery condition 3-8
Hood Check that hood latches are secured 2-3
Hull/Deck Check hull for cracks or other damage—
Jet unit Check for debris and remove if necessary 3-11
Fire extinguisher Check condition and replace if necessary 3-9
Engine shut-off cord Check condition and replace if frayed or broken 3-11
Switches Check start switch, engine stop switch and
engine shut-off switch for proper operation when
watercraft is in the water 3-12
Cooling water pilot outlet Check that water is discharged while engine is
running and watercraft is in the water3-12
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