2003 YAMAHA AEROX50 warning

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IMPORTANT MANUAL INFORMATION
Particularly important information is distinguished in this manual by the following notations:
The Safety Alert Symbol means ATTENTION! BECOME ALERT! YOUR SAFETY IS
INVOLVED!
Failure to follow WARNING instructions
could result in severe injury or death to the
scooter operator, a bystander, or a person inspecting or repairing the scooter.
A CAUTION indicates special precautions that must be taken to avoid damage to the
scooter.
NOTE :A NOTE provides key information to make procedures easier or clearer.WARNING
CAUTION:
NOTE :
•This manual should be considered a permanent part of this scooter and should remain with it even if the
scooter is subsequently sold.
•Yamaha continually seeks advancements in product design and quality. Therefore, while this manual
contains the most current product information available at the time of printing, there may be minor
discrepancies between your scooter and this manual. If you have any questions concerning this manual,
please consult your Yamaha dealer.

EW000002
PLEASE READ THIS MANUAL CAREFULLY AND COMPLETELY BEFORE OPERATING THIS
SCOOTER.
WARNING
IMPORTANT MANUAL INFORMATION

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INSTRUMENT AND CONTROL FUNCTIONS
Main switch / steering lock .................................................................. 3-1
Indicator and warning lights ................................................................ 3-2
Coolant temperature warning light ...................................................... 3-2
Speedometer unit ................................................................................ 3-3
Tachometer (depends on model) ........................................................ 3-3
Fuel gauge .......................................................................................... 3-3
Handlebar switches ............................................................................. 3-4
Front brake lever ................................................................................. 3-5
Rear brake lever .................................................................................. 3-5
Fuel tank cap ...................................................................................... 3-5
Fuel .....................................................................................................\o 3-6
Catalytic converter .............................................................................. 3-7
Kick starter .......................................................................................... 3-7
2-stroke engine oil tank cap ................................................................ 3-8
2-stroke engine oil ............................................................................... 3-8
Starter (choke) lever ............................................................................ 3-9
Rider seat ............................................................................................ 3-9
Storage compartment A .................................................................... 3-10
Storage compartment B .................................................................... 3-11
Adjusting the shock absorber assembly (depends on model) ........... 3-11
3

3
INSTRUMENT AND CONTROL FUNCTIONS
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Main switch/steering lock
The main switch/steering lock controls
the ignition and lighting systems, and
is used to lock the steering. The various
positions are described below.
PUSH
OPEN
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OFF “ ”
All electrical systems are off. The key
can be removed.
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CHECK “”
The 2-stroke engine oil level warning
light should come on. See page 3-2 for
an explanation of the engine oil level
warning light.
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LOCK “ ”
The steering is locked, and all electrical
systems are off. The key can be
removed.
To lock the steering
1. Turn the handlebars all the way to
the left.
2. Push the key in from the “
”
position, and then turn it to “
”
while still pushing it.
3. Remove the key.
To unlock the steering
Push the key in, and then turn it to “
”
while still pushing it.
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Never turn the key to “ ” or “ ”
while the scooter is moving, otherwise
the electrical systems will be switched
off, which may result in loss of control
or an accident. Make sure that the scoo-
ter is stopped before turning the key
to “ ” or “ ”.
WARNING
3-1
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ON “ ”
All electrical circuits are supplied with
power, and the engine can be started.
The key cannot be removed.
NOTE :
The headlight, meter lighting and
taillight come on automatically when the
engine is started.

INSTRUMENT AND CONTROL FUNCTIONS
3
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Indicator and warning lights
TEMP
123
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1. Turn signal indicator light “ ”
2. High beam indicator light “
”
3. Oil indicator light “ ”
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Turn signal indicator light “ ”
This indicator light flashes when the
turn signal switch is pushed to the left
or right.
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High beam indicator light “ ”
This indicator light comes on when the
high beam of the headlight is switched
on.
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Oil level warning light “ ”
This warning light comes on when the
key is in the “
” position or when the
oil level in the 2-stroke engine oil tank
is low during operation. If the warning
light comes on during operation, stop
immediately and fill the oil tank with
Yamalube 2 or equivalent 2-stroke
engine oil of either JASO grade "FC"
or ISO grades "EG-C" or "EG-D". The
warning light should go off after the 2-
stroke engine oil tank has been refilled.
NOTE :
If the warning light does not come on
when the key is in the “
” position or
does not go off after the 2-stroke engine
oil tank has been refilled, have a Yamaha
dealer check the electrical circuit.
EC000000
Do not operate the scooter until you
know that the engine oil level is
sufficient.
CAUTION:
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Coolant temperature warning light
“
”
This warning light comes on when the
engine overheats. When this occurs,
stop the engine immediately and allow
the engine to cool.
EC000002
Do not operate the engine if it is
overheated.
CAUTION:
TEMP
1ZAUM0255
1. Coolant temperature warning light “ ”
3-2

INSTRUMENT AND CONTROL FUNCTIONS
3 To close the fuel tank cap
1. Push the fuel tank cap into posi-
tion with the key inserted in the
lock.
2. Turn the key clockwise to the ori-
ginal position, remove it, and then
close the lock cover.
NOTE :
The fuel tank cap cannot be closed
unless the key is in the lock. In addi-
tion, the key cannot be removed if the
cap is not properly closed and locked.
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Make sure that the fuel tank cap is
properly closed before riding.
WARNING
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Fuel
Make sure that there is sufficient fuel
in the tank. Fill the fuel tank to the
bottom of the filler tube as shown.
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•Do not overfill the fuel tank,
otherwise it may overflow when
the fuel warms up and expands.
•Avoid spilling fuel on the hot
engine.
WARNING
1
2
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1. Filler tube
2. Fuel level
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EC000008
Immediately wipe off spilled fuel with
a clean, dry, soft cloth, since fuel may
deteriorate painted surfaces or plas-
tic parts.
CAUTION:
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Recommended fuel:
REGULAR UNLEADED
GASOLINE ONLY
Fuel tank capacity:
Total amount:
7 L
Your Yamaha engine has been
designed to use regular unleaded
gasoline with a research octane
number of 91 or higher. If knocking (or
pinging) occurs, use a gasoline of a
different brand or premium unleaded
fuel. Use of unleaded fuel will extend
spark plug life and reduce maintenance
costs.
3-6

3
INSTRUMENT AND CONTROL FUNCTIONS
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Catalytic converter
This scooter is equipped with a catalytic
converter in the muffler.
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The exhaust system is hot after
operation. Make sure that the
exhaust system has cooled down
before doing any maintenance work.
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The following precautions must be
observed to prevent a fire hazard or
other damages.
•Use only unleaded gasoline.
The use of leaded gasoline will
cause unrepairable damage to
the catalytic converter.
•Never park the scooter near
possible fire hazards such as
grass or other materials that
easily burn.
•Do not allow the engine to idle
too long.
WARNING
CAUTION:
3-7
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Kickstarter
To start the engine, push the kickstarter
down lightly with your foot until the
gears engage, and then push it down
smoothly but forcefully.

INSTRUMENT AND CONTROL FUNCTIONS
3
1
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1. Storage compartment A
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Storage compartment A
There is a storage compartment under
the seat. (See page 3-9 for seat opening
and closing procedures.)
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•Do not exceed the load limit of 3.0
kg for the storage compartment.
•Do not exceed the maximum
load of 180 kg for the vehicle.
(Load is the totalweight of rider,
passenger, cargo and acces-
sories.)
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Keep the following points in mind
when using the storage compartment.
•Since the storage compartment
accumulates heat when
exposed to the sun, do not store
anything susceptible to heat
inside it.
•To avoid humidity from
spreading through the storage
compartment, wrap wet articles
in a plastic bag before storing
them in the compartment.
•Since the storage compartment
may get wet while the scooter
is being washed, wrap any arti-
cles stored in the compartment
in a plastic bag.
•Do not keep anything valuable
or breakable in the storage
compartment.To store a helmet in the storage
compartment, place the helmet upside-
down with the front facing forward.
NOTE :
•Some helmets cannot be stored
in the storage compartment
because of their size or shape.
•Do not leave your scooter
unattended with the seat open.
CAUTION:
WARNING
3-10