2012 YAMAHA EC-03 key

OPERATION AND IMPORTANT RIDING POINTS
7-4
1
2
3
4
5
67
8
9
TIPThe beeper sounds while the turn sig-nal switch is signaling.3. Check in front of and behind the vehicle to make sure that it is safe
to start off.
4. Release the rear brake lever.
5. Check for oncoming traffic, and then slowly turn the accelerator
grip in order to start off.
6. Push the turn signal switch to can- cel the turn signals.TIPTo protect the battery, the EC-03 is
equipped with an auto-off function. The
power stops automatically if the vehicle
is stopped for more than five minutes. To restart the vehicle after the vehicle
has been stopped for more than five
minutes, turn the key to “OFF” and then
back to “ON” again.
EAU50111
Acceleration and deceleration The speed can be adjusted by opening
and closing the accelerator grip. To in-
crease the speed, turn the accelerator
grip in direction (a). To reduce the
speed, turn the accelerator grip in di-
rection (b).
(a)
(b)
1CB-9-EA.book 4 ページ ２０１２年４月１１日　水曜日　午前９時３４分

OPERATION AND IMPORTANT RIDING POINTS
7-5
2
3
4
5
678
9
EAU50961
Braking
WARNING
EWA10300

Avoid braking hard or suddenly
(especially when leaning over to
one side), otherwise the scooter
may skid or overturn.

Railroad crossings, streetcar
rails, iron plates on road con-
struction sites, and manhole
covers become extremely slip-
pery when wet. Therefore, slow
down when approaching such
areas and cross them with cau-
tion.

Keep in mind that braking on a
wet road is much more difficult.

Ride slowly down a hill, as brak-
ing downhill can be very diffi-cult.
1. Close the accelerator grip com- pletely.
2. Apply both front and rear brakes simultaneously while gradually in-
creasing the pressure. Front
Rear
EAU50122
Parking To prevent theft, be sure to lock the
steering and remove the key when
parking. It is recommended to addition-
ally use a chain lock or other type of
motorcycle lock.
WARNING
EWA15580
Do not park on a slope or on soft
ground, otherwise the vehicle mayoverturn.TIP
If the vehicle is parked in an ex-
tremely hot or cold place, the tem-
perature protection function may
be activated when the key is
turned to “ON”. If this is activated,
“HEAT” or “COOL” flashes on the
tripmeter/odometer display. (See
page 4-4 “Temperature warning
display” for more information about
the temperature protection func-
tion.)

It is recommended to lock the se-
curity lock when parking. (See
page 4-10 for more informationabout locking the security lock.)
1CB-9-EA.book 5 ページ ２０１２年４月１１日　水曜日　午前９時３４分

8-1
1
2
3
4
5
6
78
9
PERIODIC MAINTENANCE AND ADJUSTMENT
EAU50130
Periodic inspection, adjustment, and lu-
brication will keep your vehicle in the
safest and most efficient condition pos-
sible. Safety is an obligation of the vehi-
cle owner/operator. The most important
points of vehicle inspection, adjust-
ment, and lubrication are explained on
the following pages.
The intervals given in the periodic
maintenance charts should be simply
considered as a general guide under
normal riding conditions. However, de-
pending on the weather, terrain, geo-
graphical location, and individual use,
the maintenance intervals may need to
be shortened.
WARNING
EWA10321
Failure to properly maintain the ve-
hicle or performing maintenance ac-
tivities incorrectly may increase
your risk of injury or death during
service or while using the vehicle. If
you are not familiar with vehicle ser-
vice, have a Yamaha dealer performservice.
WARNING
EWA15840
Turn the key to “OFF” when per-
forming maintenance unless other-
wise specified. A running motor has
moving parts that can catch on body
parts or clothing and electrical partsthat can cause shocks or fires.
WARNING
EWA15830
This scooter is designed for use onpaved roads only.
WARNING
EWA15460
Brake discs, calipers, drums, and
linings can become very hot during
use. To avoid possible burns, let
brake components cool beforetouching them.
1CB-9-EA.book 1 ページ ２０１２年４月１１日　水曜日　午前９時３４分

PERIODIC MAINTENANCE AND ADJUSTMENT
8-4
2
3
4
5
6
789
EAU50143
Checking for irregular motor
sounds Check the motor for irregular sounds.TIPThe motor cannot be revved beyond a
certain motor speed by turning the ac-
celerator grip when the vehicle is on thecenterstand.
EAU50155
Checking the accelerator grip Before checking the accelerator grip,
check the following points.
Make sure that the key is in the
“OFF” position. Turn the accelera-
tor grip slowly and check that it
moves smoothly, and returns
smoothly when released.

Check for any signs of deteriora-
tion or damage around the accel-
erator grip. Also check the
accelerator grip holder mounting
bolts for tightness.

When washing the vehicle, avoid
spraying the area around the ac-
celerator grip with water. If the
area around the accelerator grip is
particularly dirty, use a well-wrung
damp cloth to clean.
WARNING
EWA15672
If a problem is found in accelerator
grip operation, do not operate the
vehicle. Have the vehicle inspected
by a Yamaha dealer. Continuing to
use the vehicle with a problem in-
creases the possibility of an acci-dent or equipment damage.1. Squeeze the rear brake lever with your left hand.
2. Turn the key to “ON”.
3. Cancel the standby mode by pressing one of the control but-
tons. (See page 4-2.)
4. Make sure that the operating sta- tus indicator “RUN” is displayed,
and that the vehicle is in the riding
mode. (See page 7-1 for more in-
formation about “Preparations for
starting off” and “Starting off”.)
5. Check that the accelerator grip and motor operate smoothly when
the vehicle is accelerated by grad-
ually turning the accelerator grip
while riding the vehicle. If there is a
problem, have a Yamaha dealer
check the vehicle.
1CB-9-EA.book 4 ページ ２０１２年４月１１日　水曜日　午前９時３４分

PERIODIC MAINTENANCE AND ADJUSTMENT
8-15
1
2
3
4
5
6
78
9
EAU50184
Troubleshooting If a problem occurs, check the following
before taking the vehicle to a Yamaha
dealer. However, if no electric power is
supplied (nothing appears in the dis-
play), have a Yamaha dealer check the
vehicle.
The vehicle does not enter the
standby mode when the key is
turned to “ON”
Check the following:1. Is the vehicle currently being charged?
The vehicle does not enter the
standby mode when the key is
turned to “ON” during charging.
2. Was the key turned to “ON” while the accelerator grip was being
opened?
If the key is turned to “ON” while
the accelerator grip is opened, the
vehicle does not enter the standby
mode. Close the accelerator grip,
turn the key to “OFF” and then
back to “ON”.
If the vehicle still fails to enter the stand-
by mode, have a Yamaha dealer check the vehicle.
The vehicle does not start off
Is the vehicle in the riding mode? (Does
the operating status indicator “RUN”
appear in the display?)
The vehicle cannot be ridden unless it
is in the riding mode.
After checking the above, try starting off
again by following the procedures de-
scribed on page 7-1 “Preparations for
starting off” and page 7-3 “Starting off”
to restart the vehicle.
If the vehicle still does not start off, have
a Yamaha dealer check it.
The warning mark “ ” appears
Turn the key to “OFF” and then back to
“ON”. If the warning mark “ ” still ap-
pears, have a Yamaha dealer check
the vehicle.
TIPAlthough the warning mark appears,
the vehicle can still be ridden if the op-
erating status indicator “RUN” appearsand the vehicle is in the riding mode.
A light does not come on
Check the following:
1. Is the vehicle currently being charged? Lights do not come on if
the vehicle is being charged.
2. Is the key turned to “ON”? (Does anything appear in the display?)
If nothing appears in the display,
the auto-off function may be acti-
vated. Turn the key to “OFF” and
then back to “ON”.
3. Are all switches working properly?
After checking the above, and a light
does still not come on, proceed with the
following.

If the headlight fails to come on,
the bulb may be burned out. Refer
to page 8-11 for replacement pro-
cedures.

If a tail/brake light or turn signal
light fails to come on, a bulb may
be burned out. Refer to page 8-12
or 8-13 for replacement proce-
dures.
If a light still does not come on, a fuse
may be blown. Have a Yamaha dealer
check the vehicle.
1CB-9-EA.book 15 ページ ２０１２年４月１１日　水曜日　午前９時３４分

PERIODIC MAINTENANCE AND ADJUSTMENT
8-16
2
3
4
5
6
789
NOTICE
ECA11982
Do not use a bulb of a wattage other
than specified to avoid causing ex-
tensive damage to the electrical sys-tem and possibly a fire.
The motor stops while riding
Check the following:1. Is the battery sufficiently charged? Check the battery level indicator. If
the remaining charge is insuffi-
cient, charge the battery before
continuing to ride.
2. Is “HEAT” flashing and did “RUN” go off?
The temperature protection func- tion has been activated. Turn the
key to “OFF”, and allow the vehicle
to cool down before continuing to
ride.
After checking the above, if the motor
still does not run, have a Yamaha deal-
er check the vehicle.
WARNING
EWA15631
Before pushing or moving the
EC-03, be sure to turn the key to
“OFF”. The vehicle may suddenly
start to move if the accelerator grip
is turned while the key is turned to“ON”.
The display and headlight go off
when the key is turned to “ON”
Check the following: 1. Has the vehicle been stopped for more than five minutes?
To protect the battery, the EC-03 is
equipped with an auto-off function.
If the vehicle has been stopped for
more than five minutes, the power
is cut to save the battery charge.
2. Is the battery sufficiently charged? If the remaining charge is insuffi- cient, charge the battery before
continuing to ride.
After checking the above, turn the key
to “ON” again. If the display and head-
light do not come on, have a Yamaha
dealer check the vehicle.
WARNING
EWA15631
Before pushing or moving the
EC-03, be sure to turn the key to
“OFF”. The vehicle may suddenly
start to move if the accelerator grip
is turned while the key is turned to“ON”.
The security lock cannot be un-
locked
If an incorrect security number is en-
tered three times in succession, the se-
curity lock cannot be unlocked even if
the correct security number is entered
after that.
Turn the key to “OFF” and then back to
“ON”, then try entering the correct se-
curity number again.
1. Temperature indicator “HEAT”
1
1CB-9-EA.book 16 ページ ２０１２年４月１１日　水曜日　午前９時３４分

PERIODIC MAINTENANCE AND ADJUSTMENT
8-17
1
2
3
4
5
6
78
9The warning light comes on, and
“CHG” and the warning mark “ ”
flash during charging
If a problem occurs during charging, the
charging automatically stops. The
warning light comes on and both “CHG”
and the warning mark “ ” flash.
TIPIf this continues for five minutes, the
warning light goes off, along with all in-dicators in the display.
Unplug the charging plug from the out-
let to stop charging, and then start
charging again after waiting a few min- utes. If charging automatically stops
again, there may be a malfunction with
the vehicle. Stop charging and have a
Yamaha dealer check the vehicle.
When the key is turned to “ON”, the
warning light comes on and both
“CHG” and the warning mark “ ”
flash in the display
The battery is not charged properly.
Turn the key “OFF” and then back to
“ON” in order to reset charging. Turn
the key to “OFF” and then charge the
battery again.
After charging, if the above still occurs,there may be a malfunction with the ve-
hicle. Have a Yamaha dealer check the
vehicle.
“– – – – –” flashes in the display
during charging
If the battery voltage is below the spec-
ified level, the display shows this indi-
cator. Continue charging.
If the warning light comes on and both
“CHG” and “ ” flash in the display af-
ter charging for one hour, there may be
a malfunction with the vehicle. Have a
Yamaha dealer check the vehicle.1. Warning light
2. Battery condition indicator “CHG”
3. Warning mark “ ”
3
2
1
1. Warning light
2. Battery condition indicator “CHG”
3. Warning mark “ ”
3
2
1
1. Charging error indicator “– – – – –”
1
1CB-9-EA.book 17 ページ ２０１２年４月１１日　水曜日　午前９時３４分

PERIODIC MAINTENANCE AND ADJUSTMENT
8-18
2
3
4
5
6
789
“HEAT” flashes in the display dur-
ing charging
This is not a malfunction. The charging process is in the standby
mode because the battery temperature
is higher than 50
C. Allow the battery
to cool down.
When the battery temperature falls to
the specified temperature, “HEAT”
goes off and charging starts automati-
cally. (See page 6-1 for more informa-
tion about “Battery charging place”.)
“COOL” flashes in the display dur-
ing charging
This is not a malfunction.
The charging process is in the standby
mode because the battery temperature
is lower than –5  C.
If this occurs, start recharging in a warm place.
When the battery temperature reaches
the specified temperature, “COOL”
goes off and charging starts automati-
cally. (See page 6-1 for more informa-
tion about “Battery charging place”.)
When the key is turned to “ON”, the
beeper sounds and the following
occurs

The warning light flashes

The warning mark “ ” comes on

The battery level indicator seg-
ments move from side to side

“PUSH” indicator and “OLD” indi-
cator alternately appear
1. Warning light
2. Battery condition indicator “CHG”
3. Warning mark “ ”
1. Temperature indicator “HEAT”
3
2
1
1
1. Temperature indicator “COOL”
1
1CB-9-EA.book 18 ページ ２０１２年４月１１日　水曜日　午前９時３４分