2010 YAMAHA SUPERJET warning

Important manual information
EJU30192
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.
In this manual, information of particular impor-
tance is distinguished in the following ways:
This is the safety alert symbol. It is used
to alert you to potential personal injury haz-
ards. Obey all safety messages that follow
this symbol to avoid possible injury or death.
WARNING
EWJ00071
A WARNING indicates a hazardous situa-
tion which, if not avoided, could result in
death or serious injury.
NOTICE
ECJ00091
A NOTICE indicates special precautions
that must be taken to avoid damage to the
watercraft or other property.
TIP:
A TIP provides key information to make pro-
cedures easier or clearer.
EJU40410
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.
EJU30212
WaveRunner SuperJet
OWNER’S/OPERATOR’S MANUAL
©2009 by Yamaha Motor Co., Ltd.
1st Edition, April 2009
All rights reserved.
Any reprinting or unauthorized use
without the written permission of
Yamaha Motor Co., Ltd.
is expressly prohibited.
Printed in Japan
UF2F72E0.book Page 3 Friday, May 22, 2009 5:11 PM

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
Description....................................... 15
Watercraft glossary ...................... 15
Location of main components ...... 16
Control function operation ............. 18
Watercraft control functions ......... 18
Engine stop switch .......................... 18
Engine shut-off switch ..................... 18
Start switch ...................................... 18
Throttle lever ................................... 19
Steering system ............................... 19
Steering pole ................................... 19
Fuel cock knob ................................ 19
Choke knob ..................................... 20
Cooling water pilot outlet ................. 20
Water separator ............................... 21
Engine overheat warning system .... 21
Equipment operation ...................... 22
Equipment .................................... 22
Hood ................................................ 22Bow rope hole ................................. 23
Stern rope hole ................................ 23
Storage pouch ................................. 23
Fire extinguisher container .............. 24
Operation and handling
requirements ................................... 26
Fuel and engine oil
requirements ............................. 26
Fuel ................................................. 26
2-stroke engine oil ........................... 26
Mixing fuel and oil ............................ 26
Filling the fuel tank .......................... 27
Draining the bilge water ............... 28
Draining the bilge water on water .... 28
Transporting ................................. 28
First-time operation ........................ 30
Engine break-in ............................ 30
Pre-operation checks ..................... 31
Pre-operation checklist .................... 31
Pre-operation check points .......... 33
Pre-launch checks ........................... 33
Post-launch checks ......................... 37
Operation ......................................... 39
Operating your watercraft ............ 39
Getting to know your watercraft ....... 39
Learning to operate your
watercraft ..................................... 39
Operating positions ......................... 39
Launching the watercraft ................. 40
Starting the engine on water ........... 40
Stopping the engine ........................ 42
Leaving the watercraft ..................... 42
Operating the watercraft .................. 42
Turning the watercraft ..................... 42
Stopping the watercraft ................... 44
Starting off ....................................... 44
Capsized watercraft ......................... 47
Beaching the watercraft ................... 48
Operating in weeded areas ............. 48
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General and important labels
3
EJU35912Warning labels
If any of these labels are damaged or missing, contact a Yamaha dealer for replacements.
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Control function operation
21
check the jet intake for clogging. (See page
65 for information on the jet intake.)
TIP:

If the cooling water passages are dry, it will
take about 20 seconds for the water to
reach the outlet after the engine is started.

Water discharge may not be constant when
the engine is running at idling speed. If this
occurs, apply a little throttle to make sure
that water discharges properly.
EJU40321Water separator
The water separator prevents water from en-
tering the fuel tank by collecting any water that
has entered the fuel tank breather hose if the
watercraft was capsized.
If water has collected in the water separator,
drain it by loosening the drain screw.To drain water from the water separator:
(1) Place a drain pan or dry cloth under the
water separator.
(2) Gradually loosen the drain screw to drain
the water. Catch the draining water in the
drain pan or soak it up with the dry cloth
so that it does not spill into the engine
compartment. If any water spills into the
watercraft, be sure to wipe it up with a dry
cloth.
(3) Tighten the drain screw securely.
EJU31664Engine overheat warning system
If the engine temperature rises significantly,
the engine overheat warning system will acti-
vate and the engine speed will be limited to
about 3400 r/min to help prevent damage.
If the engine overheat warning system is acti-
vated, immediately reduce the engine speed,
return to shore, and then make sure that wa-
ter is being discharged from the cooling water
pilot outlet while the engine is running. If there
is no discharge of water, stop the engine, and
then check the jet intake for clogging. (See
page 65 for information on the jet intake.)
NOTICE: 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 en-
gine damage.
[ECJ00041]
1Water separator
1Drain screw
1
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Operation and handling requirements
26
EJU31792
Fuel and engine oil
requirements
EJU31833Fuel
WARNING
EWJ00282

Gasoline and gasoline vapors are ex-
tremely flammable. To avoid fires and
explosions and to reduce the risk of in-
jury when refueling, follow these in-
structions.

Gasoline is poisonous and can cause in-
jury or death. Handle gasoline with care.
Never siphon gasoline by mouth. If you
should swallow some gasoline, inhale a
lot of gasoline vapor, or get some gaso-
line in your eyes, see your doctor imme-
diately. If gasoline spills on your skin,
wash with soap and water. If gasoline
spills on your clothing, change your
clothes.
NOTICE
ECJ00321

Do not use leaded gasoline. Leaded gas-
oline can seriously damage the engine.

Avoid getting water and contaminants in
the fuel tank. Contaminated fuel can
cause poor performance and engine
damage. Use only fresh gasoline that
has been stored in clean containers.
Gasohol
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. E-85
is a fuel blend containing 85% ethanol and
therefore must not be used in this watercraft.
All ethanol blends containing more than 10%
ethanol can cause fuel system damage or en-
gine performance problems.
Yamaha does not recommend gasohol con-
taining methanol because it can cause fuel
system damage and engine performance
problems.
EJU318722-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.
EJU31902Mixing fuel and oil
NOTICE
ECJ00331
Make sure that the gasoline and oil are
thoroughly mixed in the correct ratio, oth-
erwise severe engine damage could re-
sult.
To mix gasoline and engine oil:
(1) Pour 2-stroke engine oil into a clean con-
tainer, and then add gasoline.
Recommended fuel:
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
Fuel-to-oil ratios (gasoline to oil)
Break-in period (first two tankfuls):
25:1
After break-in:
50 :1
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Operation and handling requirements
28
EJU40021
Draining the bilge water
NOTICE
ECJ01301
Do not run the engine at full throttle when
bilge water remains in the engine compart-
ment. The bilge water can splash into the
engine, which can result in severe dam-
age.
EJU40920Draining the bilge water on water
A small quantity of bilge water will remain in
the engine compartment even after the bilge
water is drained on water. To completely re-
move the bilge water, remove the watercraft
from the water and wipe up any remaining
moisture in the engine compartment with a
dry cloth.
Jet vacuum bilge draining system
While the watercraft is operating, a vacuum is
generated in the jet pump that draws in the
bilge water from the engine compartment and
discharges it from the jet thrust nozzle.
To drain the bilge water on water:
Operate the watercraft as straight as possible
and above planing speed for at least 2 min-
utes. NOTICE: Do not run the engine at full
throttle for at least 1 minute after the en-
gine has been restarted. Bilge water in the
engine compartment can splash into the
engine, which can result in severe dam-
age.
[ECJ00553]EJU33423
Transporting
WARNING
EWJ00750
Always turn the fuel cock knob to “OFF”
when transporting the watercraft, other-
wise fuel could leak out into the engine or
engine compartment, which would create
a fire hazard.
When transporting the watercraft on a trailer,
secure the bow rope hole and stern of the wa-
tercraft to the trailer with ropes or tie downs.
Use a rubber shock cord to secure the steer-
ing pole to the watercraft. NOTICE: Do not
secure the steering pole with ropes or tie
downs and do not secure it to the trailer.
Also, do not transport the watercraft with
the steering pole up. Otherwise, the steer-
ing pole could be damaged. Wrap the
ropes or tie downs with towels or rags
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Pre-operation checks
31
EJU31981
WARNING
EWJ00411
Failure to inspect or maintain the watercraft properly increases the possibility of an ac-
cident or damage to the watercraft. Do not operate the watercraft if you find any prob-
lem. If a problem cannot be corrected by the procedures provided in this manual, have
the watercraft inspected by a Yamaha dealer.
EJU31995Pre-operation checklist
Before using this watercraft, be sure to perform the checks in the following checklist.
ITEM ROUTINE PAGE
PRE-LAUNCH CHECKS
Engine compartmentVentilate the engine compartment.
Check inside the engine compartment for damage.33
Fuel systemCheck the fuel system for leakage.
Check the fuel level in the fuel tank.33
Water separatorCheck the water separator for water. 34
Engine unitCheck the exterior of the engine unit for damage. 34
Bilge waterCheck the engine compartment for bilge water. 34
BatteryCheck the battery connections and electrolyte level. 34
Steering systemCheck the steering system for proper operation. 34
Throttle leverCheck the throttle lever for proper operation.
Check the throttle lever free play.35
Engine shut-off cord (lan-
yard)Check the engine shut-off cord (lanyard) for dam-
age.36
SwitchesCheck the start switch, engine stop switch, and en-
gine shut-off switch for proper operation.36
Storage pouchCheck the storage pouch for damage and water.
Check that the storage pouch is securely installed.36
Safety equipmentCheck that safety equipment meeting the applicable
regulations is on board.37
Fire extinguisher containerCheck the fire extinguisher container for damage. 37
Fire extinguisherCheck the condition of the fire extinguisher. 37
Hull and deckCheck the hull and deck for damage. 37
Jet intakeCheck the jet intake for damage and clogging. 37
HoodCheck that the hood is securely closed. 37
POST-LAUNCH CHECKS
Cooling water pilot outletCheck that water is discharged from the cooling wa-
ter pilot outlet while the engine is running.38
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Pre-operation checks
33
EJU32281
Pre-operation check points EJU40684Pre-launch checks
Perform the pre-launch checks in the pre-op-
eration checklist while the watercraft is on
land.
To perform the pre-launch checks:
(1) Remove the hood. (See page 22 for hood
removal and installation procedures.)
(2) Perform the checks and make sure that
there are no malfunctioning items or oth-
er problems.
(3) After completing these checks, install the
hood in its original position.
EJU32333Engine compartment check
WARNING
EWJ00461
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.
Ventilate the engine compartment. Leave the
engine compartment open for a few minutes
to allow any fuel vapors to escape.
Make sure that there is no damage inside the
engine compartment.
EJU34206Fuel system checks
WARNING
EWJ00381
Leaking fuel can result in fire or explosion.

Check for fuel leakage regularly.

If any fuel leakage is found, the fuel sys-
tem must be repaired by a qualified me-
chanic. Improper repairs can make the
watercraft unsafe to operate.
Make sure that there is no damage, leakage,
or other problem in the fuel system.
Check:

Carburetor for leakage

Fuel filler cap and seal for damage

Fuel in fuel tank for water and dirt

Fuel tank for damage and leakage

Fuel hoses and joints for damage and leak-
age

Fuel filter for leakage

Fuel cock for leakage

Fuel tank breather hose for damage and
leakage
Releasing the pressure in the fuel tank
Release the pressure in the fuel tank before
each use.
To release the pressure in the fuel tank:
(1) Loosen the fuel filler cap slowly and re-
move it to release any pressure in the fuel
tank.
(2) Install the fuel filler cap and tighten it se-
curely.
EJU32363Fuel level check
Check the fuel level in the fuel tank.
1Fuel filler cap
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