warning YAMAHA SUPERJET 2015 Owners Manual

Important manual information
EJU30193
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 com-
fort 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 im-
portance 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
EWJ00072
A WARNING indicates a hazardous situa-
tion which, if not avoided, could result in
death or serious injury.
NOTICE
ECJ00092
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.
EJU40411
Because Yamaha has a policy of continuing
product improvement, this product may not
be exactly as described in this owner’s/oper-
ator’s manual. Specifications are subject to
change without notice.
This manual should be considered a perma-
nent part of this wate rcraft and should remain
with it even if the watercraft is subsequently
sold.
EJU30213
WaveRunner SuperJet
OWNER’S/OPERATOR’S MANUAL ©2014 by Yamaha Motor Co., Ltd.
1st Edition, March 2014All rights reserved.
Any reprinting or unauthorized use
without the written permission of Ya m a h a M o t o r C o . , L t d . is expressly prohibited.
Printed in Japan
UF4D70E0.book Page 2 Wednesday, May 7, 2014 10:53 AM

Table of contents
General and important labels ........... 1Identification numbers .................... 1
Primary Identification (PRI-ID)
number............................................ 1
Craft Identification Number (CIN) ....... 1
Engine serial number.......................... 1
Manufactured date label .................... 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
Description....................................... 16 Watercraft glossary ....................... 16
Location of main components ...... 17
Control function operation ............. 19 Watercraft control functions ......... 19
Engine stop switch .......................... 19
Engine shut-off switch .................... 19
Start switch ..................................... 19
Throttle lever .................................... 20
Steering system ............................... 20
Steering pole .................................... 20
Fuel cock knob................................. 21
Choke knob ..................................... 21
Cooling water pilot outlet ................. 21
Water separator................................ 22
Engine overheat warning system ..... 22
Equipment operation ...................... 24Equipment..................................... 24
Hood................................................. 24
Bow rope hole .................................. 25
Stern rope hole ................................. 25
Storage pouch .................................. 25
Fire extinguisher container ............... 26
Operation and handling
requirements ................................... 28Fuel and engine oil requirements .............................. 28
Fuel................................................... 28
2-stroke engine oil ............................ 28
Mixing fuel and oil ............................ 28
Filling the fuel tank ........................... 29
Draining the bilge water ................ 30
Draining the bilge water on water .... 30
Transporting.................................. 31
First-time operation ........................ 32 Engine break-in............................. 32
Pre-operation checks ..................... 33
Pre-operation checklist .................... 33
Pre-operation check points .......... 35
Pre-launch checks ........................... 35
Post-launch checks.......................... 39
Operation ......................................... 40 Operating your watercraft ............. 40
Getting to know your watercraft....... 40
Learning to operate your
watercraft ...................................... 40
Operating positions .......................... 40
Launching the watercraft ................. 41
Starting the engine on water ............ 41
Stopping the engine ......................... 43
Leaving the watercraft ...................... 43
Operating the watercraft .................. 43
Turning the watercraft ...................... 43
Stopping the watercraft.................... 45
Starting off........................................ 45
UF4D70E0.book Page 1 Wednesday, May 7, 2014 10:53 AM

General and important labels
4
EJU35914Warning labels
If any of these labels are damaged or missing, contact a Yamaha dealer for replacements.
UF4D70E0.book Page 4 Wednesday, May 7, 2014 10:53 AM

Control function operation
22
proper operation of the cooling system, make
sure that water is being discharged from the
cooling water pilot outlet. If water is not being
discharged from the outlet, stop the engine
and check the jet intake for clogging. (See
page 66 for information on the jet intake.)
TIP:
It will take about 20 seconds for the water
to reach the outlet after the engine is start-
ed.
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.
EJU40323Water 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) Securely tighten the drain screw until it stops.
EJU31665Engine 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.
1Water separator
1 Drain screw
1
UF4D70E0.book Page 22 Wednesday, May 7, 2014 10:53 AM

Control function operation
23
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 wa-
ter pilot outlet while the engine is running. If
there is no discharge of water, stop the en-
gine, and then check the jet intake for clog-
ging. (See page 66 for information on the jet
intake.) NOTICE: If you cannot locate and
correct the cause of the overheating, con-
sult a Yamaha dealer. Continuing to oper-
ate at higher speeds could result in severe
engine damage.
[ECJ00042]
UF4D70E0.book Page 23 Wednesday, May 7, 2014 10:53 AM

Operation and handling requirements
28
EJU31793
Fuel and engine oil requirements
EJU31834Fuel
WARNING
EWJ00283
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
ECJ00322
Do not use leaded gasoline. Leaded
gasoline can seriously damage the en-
gine.
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 water-
craft. All ethanol blends containing more than
10% ethanol can cause fuel system damage
or engine performance problems.
Yamaha does not recommend gasohol con- taining methanol because it can cause fuel
system damage and engine performance
problems.
EJU318732-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.
EJU31903Mixing fuel and oil
NOTICE
ECJ00332
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
minimum 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
UF4D70E0.book Page 28 Wednesday, May 7, 2014 10:53 AM

Operation and handling requirements
31
EJU33424
Transporting
WARNING
EWJ00751
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
watercraft to the trailer with ropes or tie
downs. Use a rubber shock cord to secure
the steering 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 water-
craft with the steering pole up. Otherwise,
the steering pole could be damaged. Wrap
the ropes or tie downs with towels or ragswhere they touch the body of the water-
craft to avoid scratches or damage.
[ECJ00633]
1
Rubber shock cord
2 Tie down
UF4D70E0.book Page 31 Wednesday, May 7, 2014 10:53 AM

Pre-operation checks
33
EJU31982
WARNING
EWJ00412
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.
EJU41233Pre-operation checklist
Before using this watercraft, be sure to perform the checks in the following checklist.
ITEMROUTINEPAGE
PRE-LAUNCH CHECKS
Engine compartment Ventilate the engine compartment.
Check inside the engine compartment for damage.
35
Fuel system Check the fuel system for leakage.
Check the fuel level in the fuel tank.
35
Water separator Check the water separator for water. 36
Engine unit Check the exterior of the engine unit for damage. 36
Bilge water Check the engine compartment for bilge water. 36
Battery Check the battery connections and electrolyte level. 36
Steering system Check the steering system for proper operation. 36
Throttle lever Check the throttle lever for proper operation.
Check the throttle lever free play.
37
Engine shut-off cord (lan-
yard) Check the engine shut-off cord (lanyard) for dam-
age.
38
Switches Check the start switch, engine stop switch, and en-
gine shut-off switch for proper operation.
38
Storage pouch Check the storage pouch for damage and water.
Check that the storage pouch is securely installed.
38
Fire extinguisher container Check the fire extinguisher container for damage. 39
Fire extinguisher Check the condition of the fire extinguisher. 39
Safety equipment Check that safety equipment meeting the applica-
ble regulations is on board.
39
Hull and deck Check the hull and deck for damage. 39
Jet intake Check the jet intake for damage and clogging. 39
Hood Check that the hood is securely closed. 39
UF4D70E0.book Page 33 Wednesday, May 7, 2014 10:53 AM

Pre-operation checks
35
EJU32282
Pre-operation check pointsEJU40686Pre-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 24 for hoodremoval 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.
EJU32334Engine compartment check
WARNING
EWJ00462
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.
EJU34208Fuel system checks
WARNING
EWJ00382
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) Securely install the fuel filler cap by tight- ening it until it stops.
EJU32365Fuel level check
Check the fuel level in the fuel tank.
1Fuel filler cap
UF4D70E0.book Page 35 Wednesday, May 7, 2014 10:53 AM

Pre-operation checks
36
Add fuel if necessary. (See page 29 for infor-
mation on filling the fuel tank.)
EJU32424Water separator check
Make sure that no water has collected in the
water separator. If water has collected in the
water separator, drain it. (See page 22 for in-
formation on draining the water separator.)
EJU40182Engine unit check
Check the exterior of the engine unit for dam-
age or other problem.
EJU41012Bilge water check
Make sure that no bilge water has collected in
the engine compartment. If bilge water has
collected in the engine compartment, wipe it
up with a dry cloth. NOTICE: Excessive wa-
ter in the engine compartment can splash
into the engine, which can result in severe
damage.
[ECJ00342]
EJU32485
Battery checks
Make sure that the battery terminals and
breather hose are not damaged and that the
battery leads and breather hose are connect-
ed properly. WARNING! Fire or explosion
could result if the breather hose is dam- aged, obstructed, or not connected prop-
erly.
[EWJ00452]
Make sure that the electrolyte level is be-
tween the minimum and maximum level
marks.
WARNING! Never operate the wa-
tercraft if the battery does not have suffi-
cient power to start the engine or if it
shows any other signs of decreased pow-
er. Loss of battery power may leave you
stranded.
[EWJ01241]
Make sure that the battery is securely held in
place.
EJU32614Steering system checks
Turn the handlebars to the right and left sev-
eral times to make sure that operation is
smooth and unrestricted throughout the
1 Water separator
1Positive (+) battery terminal: Red lead
2 Negative (–) battery terminal: Black lead
3 Breather hose
1 Maximum level mark
2 Minimum level mark
UF4D70E0.book Page 36 Wednesday, May 7, 2014 10:53 AM