YAMAHA AEROX50 2005 User Guide

SAFETY INFORMATION
1-5
1


Always wear a helmet, gloves,
trousers (tapered around the cuff
and ankle so they do not flap), and
a bright colored jacket.


Do not carry too much luggage on
the scooter. An overloaded scoot-
er is unstable.

DESCRIPTION
2-1
2
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Left view
1
23
4
6 8
9
7
5
1. Rear brake lever (page 3-5)
2. Left handlebar switches (page 3-4)
3. Speedometer unit (page 3-3)
4. Main switch/steering lock (page 3-1)
5. Final transmission oil filler cap (page 6-7)
6. Centerstand (page 6-16)
7. Kickstarter (page 3-8)
8. Air filter element (page 6-9)9. Coolant level check window (page 6-8)

DESCRIPTION
2-2
2
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Right view
23
1
4
56
1. Fuel tank cap (page 3-5)
2. Throttle grip (page 6-11)
3. Front brake lever (page 3-5)
4. Coolant reservoir cap (page 6-8)
5. Battery/fuse (page 6-18/6-20)
6. Oil tank cap (page 3-7)

INSTRUMENT AND CONTROL FUNCTIONS
3-1
3
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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.
EAU10640
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 tail-
light come on automatically when theengine is started.
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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.)
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LOCK “”
The steering is locked, and all electrical
systems are off. The key can be re-
moved.
To lock the steering1. Turn the handlebars all the way to
the left.
2. Push the key in from the “” posi-
tion, and then turn it to “” while
still pushing it.
3. Remove the key.
To unlock the steeringPush the key in, and then turn it to “”
while still pushing it.
WARNING
EWA10060
Never turn the key to “” or “”
while the vehicle is moving, other-
wise the electrical systems will be
switched off, which may result in
loss of control or an accident. Make
sure that the vehicle is stopped be-fore turning the key to “” or “”.
PUSHOPEN
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INSTRUMENT AND CONTROL FUNCTIONS
3-2
3
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Indicator and warning lights
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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 warninglight comes on during operation, stop
immediately and fill the oil tank with Ya-
malube 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 en-
gine 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 en-
gine oil tank has been refilled, have a
Yamaha dealer check the electrical cir-cuit.CAUTION:
ECA10010
Do not operate the vehicle until you
know that the engine oil level is suf-ficient.
EAU11430
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.CAUTION:
ECA10020
Do not operate the engine if it isoverheated.
1. Turn signal indicator light “”
2. High beam indicator light “”
3. Oil level warning light “”
TEMP
123
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1. Coolant temperature warning light “”
TEMP
Km / h
E1/2
F
1
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INSTRUMENT AND CONTROL FUNCTIONS
3-3
3
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Speedometer unit UK ONLYThe speedometer unit is equipped with
a speedometer and an odometer. The
speedometer shows riding speed. The
odometer shows the total distance trav-
eled.
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Tachometer (Depends on
models)The electric tachometer allows the rider
to monitor the engine speed and keep it
within the ideal power range.CAUTION:
ECA10031
Do not operate the engine in the ta-
chometer red zone.Red zone: 10000 r/min and above
1. Speedometer
2. Odometer
1. Speedometer
2. Odometer
21
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21
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1. Tachometer
2. Tachometer red zone
1
2
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INSTRUMENT AND CONTROL FUNCTIONS
3-4
3
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Fuel gauge The fuel gauge indicates the amount of
fuel in the fuel tank. The needle moves
towards “E” (Empty) as the fuel level
decreases. When the needle reaches
“E”, refuel as soon as possible.NOTE:Do not allow the fuel tank to empty itselfcompletely.
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Handlebar switches Left
Right
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Dimmer switch “/”
Set this switch to “” for the high
beam and to “” for the low beam.
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Turn signal switch “/”
To signal a right-hand turn, push this
switch to “”. To signal a left-hand
turn, push this switch to “”. When re-
leased, the switch returns to the center
position. To cancel the turn signal
lights, push the switch in after it has re-
turned to the center position.
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Horn switch “”
Press this switch to sound the horn.
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Start switch “”
Push this switch while applying the
front or rear brake to crank the engine
with the starter.CAUTION:
ECA10050
See page 5-1 for starting instruc-tions prior to starting the engine.
1. Fuel gauge
E1/2
F
1
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1. Horn switch “”
2. Turn signal switch “/”
3. Dimmer switch “/”
1. Start switch “”
1
2 3
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1
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INSTRUMENT AND CONTROL FUNCTIONS
3-5
3
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Front brake lever The front brake lever is located on the
right handlebar grip. To apply the front
brake, pull this lever toward the handle-
bar grip.
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Rear brake lever The rear brake lever is located on the
left handlebar grip. To apply the rear
brake, pull this lever toward the handle-
bar grip.
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Fuel tank cap To remove the fuel tank cap
1. Open the fuel tank cap lock cover.
2. Insert the key into the lock and turn
it 1/4 turn counterclockwise. The
lock will be released and the fuel
tank cap can be removed.
To install the fuel tank cap
1. Push the fuel tank cap into position
with the key inserted in the lock.
2. Turn the key clockwise to the orig-
inal position, and then remove it.
3. Close the lock cover.
1. Front brake lever
1
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1. Rear brake lever
1
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1. Fuel tank cap
1
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INSTRUMENT AND CONTROL FUNCTIONS
3-6
3
NOTE:The fuel tank cap cannot be installed
unless the key is in the lock. In addition,
the key cannot be removed if the cap isnot properly installed and locked.
WARNING
EWA11140
Make sure that the fuel tank cap isproperly installed before riding.
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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.
WARNING
EWA10880


Do not overfill the fuel tank, oth-
erwise it may overflow when the
fuel warms up and expands.


Avoid spilling fuel on the hot en-gine.
CAUTION:
ECA10070
Immediately wipe off spilled fuel
with a clean, dry, soft cloth, since
fuel may deteriorate painted surfac-es or plastic parts.
EAU13270
Your Yamaha engine has been de-
signed to use regular unleaded gaso-
line with a research octane number of
91 or higher. If knocking (or pinging) oc-
curs, use a gasoline of a different brand
or premium unleaded fuel. Use of un-
leaded fuel will extend spark plug life
and reduce maintenance costs.
1. Fuel tank filler tube
2. Fuel level
1
2
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Recommended fuel:
REGULAR UNLEADED GASOLINE
ONLY
Fuel tank capacity:
7.0 L (1.85 US gal) (1.54 Imp.gal)

INSTRUMENT AND CONTROL FUNCTIONS
3-7
3
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Catalytic converter This vehicle is equipped with a catalytic
converter in the muffler.
WARNING
EWA10860
The exhaust system is hot after op-
eration. Make sure that the exhaust
system has cooled down before do-ing any maintenance work.CAUTION:
ECA10700
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 vehicle near pos-
sible fire hazards such as grass
or other materials that easily
burn.


Do not allow the engine to idletoo long.
EAUM1140
2-stroke engine oil tank To access the 2-stroke engine oil tank,
open the storage compartment. (See
page 3-10.)
1. Remove the 2-stroke engine oil
tank cap by pulling it off.
2. Install the 2-stroke engine oil tank
cap by pushing it into the oil tank
opening.
NOTE:Make sure that the 2-stroke engine oil
tank cap is properly installed beforeriding the vehicle.
1. Storage compartment B
2. Oil tank cap
1
2
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