warning YAMAHA SUPERJET 2007 Owners Manual
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Page 5 of 78
Important manual information
EJU30150
To the owner/operator
Thank you for choosing a Yamaha watercraft.
This owner’s/operator’s manual contains in-
formation you will need for proper operation,
maintenance, and care. If you have any ques-
tions about the operation or maintenance of
your watercraft, please consult a Yamaha
dealer.
This manual is not a course on boating safety
or seamanship. If this is your first watercraft,
or if you are changing to a type of watercraft
you are not familiar with, for your own comfort
and safety, please ensure that you obtain
proper training or practice before operating
the watercraft by yourself. In addition, a
Yamaha dealer or boating organization will be
pleased to recommend local sea schools, or
competent instructors.
Because Yamaha has a policy of continuing
product improvement, this product may not be
exactly as described in this owner’s/opera-
tor’s manual. Specifications are subject to
change without notice.
This manual should be considered a perma-
nent part of this watercraft and should remain
with it even if the watercraft is subsequently
sold.
In this manual, information of particular impor-
tance is distinguished in the following ways:
The Safety Alert Symbol means ATTEN-
TION! BECOME ALERT! YOUR SAFETY IS
INVOLVED!
WARNING
EWJ00080
Failure to follow WARNING instructions
could result in severe injury or death
to the
machine operator, a bystander, or a per-
son inspecting or repairing the watercraft.
CAUTION:
ECJ00090
A CAUTION indicates special precautions
that must be taken to avoid damage to the
watercraft.
NOTE:
A NOTE provides key information to make
procedures easier or clearer.
EJU30210
SuperJet
OWNER’S/OPERATOR’S MANUAL
©2006 by Yamaha Motor Co., Ltd.
1st Edition, April 2006
All rights reserved.
Any reprinting or unauthorized use
without the written permission of
Yamaha Motor Co., Ltd.
is expressly prohibited.
Printed in Japan
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Page 6 of 78
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 ............................. 8
Limitations on who may operate
the watercraft .............................. 8
Cruising limitations ......................... 9
Operation requirements ............... 10
Recommended equipment ........... 12
Hazard information ....................... 13
Watercraft characteristics ............. 13
Safe boating rules ........................ 14
Enjoy your watercraft
responsibly ................................ 15
Features and functions ................... 16
Location of main components ...... 16
Operation of controls and other
functions .................................... 18
Hood ................................................ 18
Fuel tank filler cap ........................... 19
Fuel cock knob ................................ 19
Engine stop switch .......................... 20
Engine shut-off switch ..................... 20
Start switch ...................................... 20
Choke knob ..................................... 20
Throttle lever ................................... 21
Cooling water pilot outlet ................. 21
Steering system ............................... 22
Steering pole ................................... 22
Bow rope hole ................................. 22
Stern rope hole ................................ 23
Engine overheat warning system .... 23
Storage pouch ................................. 24
Operation ......................................... 25
Fuel and oil .................................. 25
Gasoline .......................................... 25
2-stroke engine oil ........................... 25
Mixing fuel and oil ............................ 25
Filling the fuel tank .......................... 26
Pre-operation checks ................... 27
Pre-operation check list ................... 27
Pre-operation check points .............. 28
Operation ..................................... 33
Engine break-in ............................... 33
Launching the watercraft ................. 33
Starting the engine .......................... 33
Stopping the engine ........................ 35
Leaving the watercraft ..................... 36
Operating your watercraft ............ 36
Getting to know your watercraft ....... 36
Learning to operate your
watercraft ..................................... 36
Operating positions ......................... 37
Starting the watercraft ..................... 38
Boarding and starting in deep
water ............................................ 39
Capsized watercraft ......................... 40
Turning the watercraft ..................... 41
Stopping the watercraft ................... 43
Beaching the watercraft ................... 43
Rough water operation .................... 43
Post-operation care ...................... 44
Transporting ................................. 45
Maintenance and care .................... 46
Storage ........................................ 46
Flushing the cooling system ............ 46
Lubrication ....................................... 47
Fuel system ..................................... 47
Battery ............................................. 48
Cleaning the watercraft ................... 48
Maintenance and adjustments ..... 49
Owner’s/operator’s manual and
tool kit ........................................... 49
Periodic maintenance chart ............. 51
Checking the fuel system ................ 52
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General and important labels
4
EJU35910Warning labels
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Safety information
8
EJU30680
The safe use and operation of this water-
craft is dependent upon the use of proper
riding techniques, as well as upon the
common sense, good judgment, and ex-
pertise of the operator. Before using this
watercraft, make sure that its use is per-
mitted under local laws, bylaws, and regu-
lations, and always operate the watercraft
in full conformity with any requirements
and limitations imposed. Every operator
should know the following requirements
before riding the watercraft.
Before operating the watercraft, read this
owner’s/operator’s manual, the Riding
Practice Guide, and all warning and caution
labels on the watercraft. These materials
should give you an understanding of the
watercraft and its operation.
Never allow anyone to operate this water-
craft until they too have read this own-
er’s/operator’s manual, the Riding Practice
Guide, and all warning and caution labels.
EJU30700
Limitations on who may
operate the watercraft
Yamaha recommends a minimum operator
age of 16 years old.
Adults must supervise use by minors.
Know your local operator age and training
requirements.
This watercraft is designed to carry the op-
erator only. Never have more than one per-
son on the watercraft at any time.
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Features and functions
20
EJU31150Engine stop switch
Push the engine stop switch (red button) to
stop the engine normally.
EJU31160Engine shut-off switch
Insert the clip, on the end of the engine shut-
off cord, under the engine shut-off switch
(black button). The engine will stop automati-
cally when the clip is removed from the
switch, such as if the operator falls off the wa-
tercraft.
WARNING
EWJ00010
Always attach the engine shut-off cord
to your left wrist and the clip to the en-
gine shut-off switch BEFORE starting
the engine.
To prevent accidental starting of the en-
gine or unauthorized use by children or
others, always remove the clip from the
engine shut-off switch when the engine
is not running.
EJU31170Start switch
Push the start switch (green button) to start
the engine.
NOTE:
The engine will not start when the clip is re-
moved from the engine shut-off switch.
EJU31200Choke knob
Starting a cold engine requires a richer air-fuel
mixture, which is supplied by the choke.
1Engine stop switch
1Engine shut-off cord
2Clip
3Engine shut-off switch
1Start switch
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Page 30 of 78
Features and functions
23
The bow rope hole is used to attach a rope to
the watercraft when transporting, mooring, or
towing it in an emergency.
EJU36010Stern rope hole
The stern rope hole is located at the stern of
the watercraft.
The stern rope hole is used to attach a rope to
the watercraft when mooring it.
EJU31660Engine overheat warning system
This model is equipped with an engine over-
heat warning system.
If the engine starts to overheat, the engine
speed will be limited to about 3400 r/min.
If this occurs, immediately reduce the engine
speed, return to shore, and then check for wa-
ter discharge at the cooling water pilot outlet
while the engine is running. If there is no dis-
charge of water, shut the engine off, and thencheck the intake grate and impeller for clog-
ging.
WARNING
EWJ00050
Before attempting to remove weeds or de-
bris 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.
1Bow rope hole
1Stern rope hole
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Page 32 of 78
Operation
25
EJU31790
Fuel and oil EJU31830Gasoline
WARNING
EWJ00440
GASOLINE AND ITS VAPORS ARE HIGH-
LY FLAMMABLE AND EXPLOSIVE!
Do not smoke when refueling, and keep
away from sparks, flames, and other
sources of ignition.
Stop the engine before refueling.
Refuel in a well-ventilated area with the
watercraft in a horizontal position.
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. If tempo-
rarily leaving the watercraft with a full
fuel tank, do not leave it in direct sun-
light. Leave it in a well-ventilated area
with the watercraft in a horizontal posi-
tion.
Tighten the fuel tank filler cap securely
after refueling.
If you should swallow some gasoline, in-
hale a lot of gasoline vapor, or get gaso-
line in your eyes, get immediate medical
attention.
If any gasoline spills on your skin or
clothing, immediately wash the affected
area with soap and water and change
your clothes.
CAUTION:
ECJ00310
Use only fresh gasoline that has been
stored in clean containers.
EJU31860Gasohol
There are two types of gasohol: gasohol con-
taining ethanol and that containing methanol.
Gasohol containing ethanol can be used if
ethanol content does not exceed 10% and the
fuel meets the minimum octane ratings.
Gasohol containing methanol is not recom-
mended by Yamaha because it can cause
fuel system damage and engine performance
problems.
EJU318702-stroke engine oil
If YAMALUBE 2-W engine oil is not available,
another 2-stroke engine oil with an NMMA-
certified TC-W3 rating may be used.
EJU31900Mixing fuel and oil
CAUTION:
ECJ00330
Avoid using any mixture of gasoline and
oil other than those specified.
Make sure that the gasoline and oil are
thoroughly mixed in the correct ratio,
otherwise the following problems may
occur. Too little oil in the fuel-to-oil ratio
could result in major engine trouble,
such as seizure. Too much oil in the fuel-Recommended gasoline:
Regular unleaded gasoline with a mini-
mum octane rating of
86 (Pump octane number) = (R +
M)/2
90 (Research octane number)
Recommended engine oil:
YAMALUBE 2-W or TC-W3 outboard
motor oil or equivalent
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Operation
27
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 hood to ventilate the engine compart-
ment. Check for fuel vapors and loose electrical con-
nections.28
BilgeCheck for water and fuel and drain if necessary. 29
Throttle leverCheck that the throttle lever springs back smoothly. 30
Steering systemCheck for proper operation. 30
FuelCheck the fuel level and replenish if necessary.
Check the hoses and tank for leakage.28
Water separatorCheck for water and drain if necessary. 28
BatteryCheck the electrolyte level and battery condition. 29
HoodCheck that the hood is securely closed. 18
Hull and deckCheck the hull and deck for cracks and other dam-
age.28
Jet intakeCheck for debris and remove if necessary. 31
Fire extinguisherCheck the condition and replace if necessary. 29
Engine shut-off cordCheck the condition and replace if frayed or broken. 31
SwitchesCheck the start switch, engine stop switch, and en-
gine shut-off switch for proper operation.32
AFTER LAUNCH
Cooling water pilot outletCheck that water is discharged while the engine is
running and the watercraft is in the water.32
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Operation
28
EJU32280Pre-operation check points EJU32290Engine compartment
Ventilate the engine compartment before
each use.
To ventilate the engine compartment, lift the
steering pole and support it with the lock pin,
and then remove the hood. (See page 18 for
hood removal and installation procedures.)
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.
EJU32360Fuel system
Check the fuel system for leakage, cracks,
and malfunctions before each use. (See page
52 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 hood. (See page 18 for hood
removal and installation procedures.)
(3) Check the fuel level in the fuel tank and
replenish if necessary. (See page 26 for
filling procedures.)
(4) Install the fuel tank filler cap and the
hood.
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
1Water separator
2Drain screw
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Page 36 of 78
Operation
29
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.
EJU32430Bilge
Check the bilge for moisture and fuel residue.
CAUTION:
ECJ00340
Excessive water in the bilge can splash
into the carburetor and engine, which can
result in severe damage.
EJU32480Battery
Check the battery condition and the electro-
lyte level.
Check that the battery leads are tightened se-
curely and that there is no corrosion on the
battery terminals.
WARNING
EWJ00450
The battery must always be fully
charged and in good condition. Loss of
battery power may leave you stranded.
Never operate the watercraft if the bat-
tery does not have sufficient power tostart the engine or if it shows any other
signs of decreased power.
Be sure to connect the breather hose to
the battery. Fire or explosion could re-
sult if the breather hose is damaged, ob-
structed, or not connected properly.
Make sure that the battery is securely held in
place.
EJU32500Fire extinguisher
Check that there is a full fire extinguisher on
board.
The fire extinguisher container is located on
the hood under the steering pole.
To open the fire extinguisher container:
(1) Grasp the tab, pull the band to the rear,
and then pull it up.
(2) Lift the container about 30 degrees from
the storage position.
1Positive (+) battery terminal: Red lead
2Negative (–) battery terminal: Black lead
3Breather hose
1Fire extinguisher holder and cover
2Ta b
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