water YAMAHA SUPERJET 2008 Owners Manual
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Page 2 of 78
IMPORTANT NOTICE
This personal watercraft is intended solely for racing.
The use of this machine should be limited to desig-
nated areas or events.
READ THIS OWNER’S/OPERATOR’S MANUAL CAREFULLY BEFORE OPER-
ATING YOUR WATERCRAFT.
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Important manual information
EJU30081
– JP 07 E 01 0 08 H YAM
Product identification:
Product : Personal Watercraft
Brand : YAMAHA
Model / Commercial name: SJ700B-G / SuperJet
Model specifics:
Length: 2.24 (meters)
Width: 0.68 (meters)
Engine make: 6BA
Engine type: petrol
Power: 48.5 (kW)
Construction Material: Hull: SMC, Deck: HLU
Max. persons: 1
Starting CIN of this model:
Manufacturer: YAMAHA MOTOR CO., LTD.
2500 Shingai, Iwata
Shizuoka, 438-8501
Japan
EU Representative: YAMAHA MOTOR EUROPE N.V.
Koolhovenlaan 101
Schiphol-Rijk, 1119 NC
The Netherlands
DECLARATION OF CONFORMITY
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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
©2007 by Yamaha Motor Co., Ltd.
1st Edition, March 2007
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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Table of contents
General and important labels ........... 1
Identification numbers .................... 1
Primary Identification
(PRI-ID) number ............................. 1
Craft Identification Number (CIN) ...... 1
Engine serial number ........................ 1
Important labels .............................. 2
Warning labels ................................... 3
Other labels ....................................... 6
Safety information ............................. 7
Limitations on who may operate
the watercraft .............................. 7
Cruising limitations ......................... 8
Operation requirements ................. 9
Recommended equipment ........... 11
Hazard information ....................... 12
Watercraft characteristics ............. 12
Safe boating rules ........................ 13
Enjoy your watercraft
responsibly ................................ 14
Features and functions ................... 15
Location of main components ...... 15
Operation of controls and
other functions ........................... 17
Hood ................................................ 17
Fuel tank filler cap ........................... 18
Fuel cock knob ................................ 18
Engine stop switch .......................... 19
Engine shut-off switch ..................... 19
Start switch ...................................... 20
Choke knob ..................................... 20
Throttle lever ................................... 20
Cooling water pilot outlet ................. 20
Steering system ............................... 21
Steering pole ................................... 22
Bow rope hole ................................. 22
Stern rope hole ................................ 22
Engine overheat warning system .... 22
Storage pouch ................................. 23
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 ..................... 35
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 ................... 42
Beaching the watercraft ................... 43
Rough water operation .................... 43
Post-operation care ...................... 43
Transporting ................................. 44
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 ................ 53
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Table of contents
Checking the jet thrust
nozzle angle ................................. 53
Adjusting the steering friction .......... 54
Adjusting the jet thrust
nozzle angle ................................. 55
Checking and
adjusting the throttle cable ........... 56
Cleaning and
adjusting the spark plugs ............. 57
Lubrication points ............................ 58
Adjusting the choke cable ............... 59
Checking the battery ....................... 60
Adjusting the carburetor .................. 61
Specifications .................................. 62
Specifications ................................ 62
Trouble recovery ............................. 63
Troubleshooting ........................... 63
Troubleshooting chart ...................... 63
Emergency procedures ................ 65
Cleaning the jet intake and
impeller ........................................ 65
Jumping the battery ......................... 66
Replacing the fuse ........................... 67
Towing the watercraft ...................... 67
Submerged watercraft ..................... 68
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General and important labels
1
EJU36450
Identification numbers
Record the Primary Identification (PRI-ID)
number, Craft Identification Number (CIN),
and engine serial number in the spaces pro-
vided for assistance when ordering spare
parts from a Yamaha dealer. Also record and
keep these ID numbers in a separate place in
case your watercraft is stolen.
EJU30270Primary Identification (PRI-ID) number
The PRI-ID number is stamped on a plate at-
tached inside the engine compartment.
EJU36460Craft Identification Number (CIN)
The CIN is stamped on a plate attached to the
hull on the aft, starboard (right) side.
EJU30310Engine serial number
The engine serial number is stamped on a
plate attached to the engine unit.
1Primary Identification (PRI-ID) number loca-
tion
1Craft Identification Number (CIN) location
1Engine serial number location
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Safety information
7
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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Safety information
8
EJU30751
Cruising limitations
Scan constantly for people, objects, and
other watercraft. Be alert for conditions that
limit your visibility or block your vision of
others.
Operate defensively at safe speeds and
keep a safe distance away from people, ob-
jects, 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 sharp turns or other maneuvers that
make it hard for others to avoid you or un-
derstand where you are going.
Avoid areas with submerged objects or
shallow water.
Take early action to avoid collisions. Re-
member, watercraft and other boats do not
have brakes.
Do not release the throttle lever when trying
to steer away from objects—you need throt-
tle to steer. Always check throttle and steer-
ing controls before starting the watercraft.
Operate within your limits and avoid ag-
gressive maneuvers to reduce the risk of
loss of control, ejection, and collision.
This is a high performance boat—not a toy.
Sharp turns or jumping wakes or waves can
increase the risk of back/spinal injury (pa-
ralysis), facial injuries, and broken legs, an-kles, and other bones. Do not jump wakes
or waves.
Do not operate the watercraft in rough wa-
ter, bad weather, or when visibility is poor;
this may lead to an accident causing injury
or death. Be alert to the possibility of ad-
verse weather. Take note of weather fore-
casts and the prevailing weather conditions
before setting out on your watercraft.
As with any water sport, you should not op-
erate your watercraft without someone else
nearby. If you operate further than swim-
ming distance from shore, you should be
accompanied by another boat or watercraft,
but make sure you stay a safe distance
away. It’s good, common sense!
Never operate in water that is less than 60
cm (2 ft) deep, otherwise you increase your
chance of hitting a submerged object,
which could result in injury.
This watercraft is not equipped with lighting
required for night operation. Do not operate
the watercraft after sunset or before dawn,
otherwise you increase the risk of colliding
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Safety information
9
with another boat, which could result in se-
vere injury or death.
Follow navigation rules, and state/provin-
cial and local laws that apply to watercraft.
EJU30780
Operation requirements
All riders must wear a personal flotation de-
vice (PFD) that is approved by the appropri-
ate authorities and is suitable for personal
watercraft use.
Wear protective clothing. Severe internal
injuries can occur if water is forced into
body cavities as a result of falling into the
water or being near the jet thrust nozzle.
Normal swimwear does not adequately pro-
tect against forceful water entry into the rec-
tum or vagina. All riders must wear a
wetsuit bottom or clothing that provides
equivalent protection. Such clothing in-
cludes thick, tightly woven, sturdy and
snug-fitting apparel such as denim, but
does not include spandex or similar fabrics,
like those used in bicycle shorts.
Eye protection is recommended to keep
wind, water, and glare from the sun out of
your eyes while you operate your water-
craft. Restraining straps for eyewear are
made which are designed to float should
your eyewear fall in the water.
Footwear and gloves are recommended.
You must decide whether to wear a helmet
while you ride for recreation. You should
know that a helmet could help protect you in
1Authority-approved PFD
2Wetsuit bottom
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Safety information
10
certain kinds of accidents and that it could
injure you in others.
A helmet is designed to provide some head
protection. Although helmets cannot protect
against all foreseeable impacts, a helmet
might reduce your injuries in a collision with
a boat or other obstacle.
A helmet may have potential safety haz-
ards, as well. Falling into the water could
risk the chance of the helmet catching wa-
ter, commonly known as “bucketing”, and
the resulting strain on your neck could
cause choking, severe and permanent neck
injuries, or death. A helmet could also in-
crease the risk of an accident if it reduces
your vision or hearing, or if it distracts you or
increases your fatigue.
How should you decide if a helmet’s poten-
tial safety benefits outweigh its potential
risks for you? Consider your particular
riding conditions. Consider factors such as
your riding environment and your riding
style and ability. Also consider the likeli-
hood of traffic congestion, and the water
surface conditions.
If you decide to wear a helmet based upon
your riding circumstances, choose one
carefully. Look for a helmet designed for
personal watercraft use, if possible. If you
will be engaging in closed-course competi-
tion, follow the helmet requirements of the
sanctioning organization.NEVER operate the watercraft after con-
suming alcohol or taking other drugs.
For reasons of safety and proper care of the
watercraft, always perform the pre-opera-
tion checks listed on page 27 before operat-
ing the watercraft.
The operator should always keep both feet
or knees on the riding tray when the water-
craft is in motion. Lifting your feet increases
the chances of losing your balance or hitting
objects outside the watercraft with your
feet.
Always consult your doctor on whether it is
safe for you to operate this watercraft if you
are pregnant or in poor health.
Do not attempt to modify this watercraft!
Modifications to your watercraft may reduce
safety and reliability, and render the water-
craft unsafe or illegal for use.
Attach the engine shut-off cord to your left
wrist and keep it free from the handlebars
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