2011 YAMAHA EC-03 headlight bulb

TABLE OF CONTENTSSAFETY INFORMATION .................. 1-1
Further safe-riding points ................ 1-4
Charging the battery safely ............. 1-5
DESCRIPTION .................................. 2-1
Left view .......................................... 2-1
Right view ........................................ 2-2
Controls and instruments................. 2-3
EC-03 FEATURES............................. 3-1
Features ......................................... 3-1
Standard mode/power mode .......... 3-1
Traveling distance .......................... 3-2
Effective use of the battery ............. 3-3
Battery level .................................... 3-4
INSTRUMENT AND CONTROL
FUNCTIONS....................................... 4-1
Beeper ............................................ 4-1
Main switch/steering lock ................ 4-1
Multi-function display ...................... 4-2
Using the security lock .................... 4-7
Handlebar switches ...................... 4-11
Front brake lever .......................... 4-11
Rear brake lever ........................... 4-11
Seat .............................................. 4-12
Helmet holder ............................... 4-12
Luggage hook ............................... 4-13
Grab bar ....................................... 4-13FOR YOUR SAFETY –
PRE-OPERATION CHECKS............. 5-1
CHARGING THE BATTERY.............. 6-1
Battery charging location ................ 6-1
Charging procedure ....................... 6-3
Charging time ................................. 6-8
Display of charging progress
status .......................................... 6-9
About the battery ............................ 6-9
OPERATION AND IMPORTANT
RIDING POINTS................................. 7-1
Preparations for starting off ............ 7-1
Starting off ...................................... 7-3
Acceleration and deceleration ........ 7-4
Braking ........................................... 7-5
Parking ........................................... 7-5
PERIODIC MAINTENANCE AND
ADJUSTMENT................................... 8-1
General maintenance and
lubrication chart .......................... 8-2
Checking for irregular motor
sounds ........................................ 8-4
Checking the accelerator grip ........ 8-4
Tires ............................................... 8-5
Cast wheels .................................... 8-6
Adjusting the front and rear
brake lever free play ................... 8-6Checking the front and rear brake
shoes ........................................... 8-8
Checking and lubricating the
cables .......................................... 8-8
Lubricating the front and rear
brake levers ................................. 8-9
Checking and lubricating the
centerstand .................................. 8-9
Checking the front fork .................. 8-10
Checking the steering ................... 8-10
Checking the wheel bearings ........ 8-11
Replacing the headlight bulb ........ 8-11
Replacing the tail/brake light
bulb ............................................ 8-12
Replacing a turn signal light
bulb ............................................ 8-13
Checking the charging cord and
charging plug ............................. 8-14
Troubleshooting ............................ 8-15
SCOOTER CARE AND STORAGE.... 9-1
Matte color caution ......................... 9-1
Care ................................................ 9-1
Storage ........................................... 9-3
SPECIFICATIONS ........................... 10-1
CONSUMER INFORMATION........... 11-1
Identification numbers ................... 11-11CB-9-E0.book 1 ページ ２０１０年１０月１５日　金曜日　午前１０時１９分

PERIODIC MAINTENANCE AND ADJUSTMENT
8-11
1
2
3
4
5
6
78
9
EAU23291
Checking the wheel bearings The front and rear wheel bearings must
be checked at the intervals specified in
the periodic maintenance and lubrica-
tion chart. If there is play in the wheel
hub or if the wheel does not turn
smoothly, have a Yamaha dealer check
the wheel bearings.
EAU23797
Replacing the headlight bulb This model is equipped with a halogen
bulb headlight. If the headlight bulb
burns out, replace it as follows.NOTICE
ECA10650
Take care not to damage the follow-
ing parts:
Headlight bulb
Do not touch the glass part of
the headlight bulb to keep it free
from oil, otherwise the transpar-
ency of the glass, the luminosity
of the bulb, and the bulb life will
be adversely affected. Thor-
oughly clean off any dirt and fin-
gerprints on the headlight bulb
using a cloth moistened with al-
cohol or thinner.

Headlight lens
Do not affix any type of tinted
film or stickers to the headlight
lens.
Do not use a headlight bulb of awattage higher than specified.1. Remove the headlight unit by re-
moving the screws.
1. Do not touch the glass part of the bulb.
1. Screw
1
1CB-9-E0.book 11 ページ ２０１０年１０月１５日　金曜日　午前１０時１９分

PERIODIC MAINTENANCE AND ADJUSTMENT
8-12
2
3
4
5
6
789 2. Disconnect the headlight coupler,
and then remove the bulb cover.
3. Unhook the headlight bulb holder,
and then remove the burnt-out
bulb.4. Place a new headlight bulb into po-
sition, and then secure it with the
bulb holder.
5. Install the headlight bulb cover,
and then connect the coupler.
6. Install the headlight unit by install-
ing the screws.
7. Have a Yamaha dealer adjust the
headlight beam if necessary.
EAU24133
Replacing the tail/brake light
bulb 1. Remove the tail/brake light lens by
removing the screws.
2. Remove the burnt-out bulb by
pushing it in and turning it counter-
clockwise.
1. Screw
1. Headlight coupler
2. Headlight bulb cover
1
1
2
1. Headlight bulb holder
1
1. Tail/brake light lens
2. Screw
1
2
1CB-9-E0.book 12 ページ ２０１０年１０月１５日　金曜日　午前１０時１９分

PERIODIC MAINTENANCE AND ADJUSTMENT
8-15
1
2
3
4
5
6
78
9
EAU50182
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 checkthe 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-E0.book 15 ページ ２０１０年１０月１５日　金曜日　午前１０時１９分

PERIODIC MAINTENANCE AND ADJUSTMENT
8-16
2
3
4
5
6
789
NOTICE
ECA11981
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
EWA15630
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
EWA15630
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-E0.book 16 ページ ２０１０年１０月１５日　金曜日　午前１０時１９分

10-1
1
2
3
4
5
6
7
8
910
SPECIFICATIONS
EAU50970
Dimensions:Overall length:
1565 mm (61.6 in)
Overall width:
600 mm (23.6 in)
Overall height:
990 mm (39.0 in)
Seat height:
745 mm (29.3 in)
Wheelbase:
1080 mm (42.5 in)
Ground clearance:
110 mm (4.33 in)
Minimum turning radius:
1700 mm (66.9 in)Weight:Curb weight:
56 kg (123 lb)Chassis:Frame type:
Backbone
Caster angle:
25.00 
Trail:
75 mm (3.0 in)Front tire:Type:
With tube
Size:
60/100-12 36J
Manufacturer/model:
INOUE RUBBER/MB80
Rear tire:Type:
With tube
Size:
60/100-12 36J
Manufacturer/model:
INOUE RUBBER/MB80
Maximum load:
87 kg (192 lb)
* (Total weight of rider, cargo and accesso-
ries)Tire air pressure (measured on cold
tires):Front:
200 kPa (2.00 kgf/cm
2, 29 psi)
Rear:
250 kPa (2.50 kgf/cm2, 36 psi)
Front wheel:Rim size:
12 x 1.50Rear wheel:Rim size:
12 x 1.50Front brake:Type:
Drum brake
Operation:
Right hand operationRear brake:Type:
Drum brake
Operation:
Left hand operation
Front suspension:Type:
Telescopic fork
Spring/shock absorber type:
Coil spring
Wheel travel:
50.0 mm (1.97 in)Rear suspension:Type:
Unit swing
Spring/shock absorber type:
Coil spring/oil damper
Wheel travel:
55.0 mm (2.17 in)Headlight:Bulb type:
Halogen bulbBulb voltage, wattage  quantity:Headlight:
12 V, 35 W/35 W  1
Tail/brake light:
12 V, 5.0 W/21.0 W  1
Front turn signal light:
12 V, 10.0 W  2
Rear turn signal light:
12 V, 10.0 W  2
Warning indicator light:
LED
1CB-9-E0.book 1 ページ ２０１０年１０月１５日　金曜日　午前１０時１９分

INDEXAAcceleration and deceleration....................7-4
Accelerator grip, checking..........................8-4BBattery, charging location ..........................6-1
Battery, charging procedure.......................6-3
Battery, charging safely .............................1-5
Battery, charging time ................................6-8
Battery, effective use of .............................3-3
Battery level ...............................................3-4
Battery type, about .....................................6-9
Beeper .......................................................4-1
Brake lever, front......................................4-11
Brake lever, rear ......................................4-11
Brake levers, lubricating.............................8-9
Brake shoes, checking ...............................8-8
Braking .......................................................7-5CCables, checking and lubricating ...............8-8
Care ...........................................................9-1
Centerstand, checking and lubricating .......8-9
Charging cord and plug, checking ...........8-14
Charging display, progress status..............6-9FFeatures .....................................................3-1
Front and rear brake lever free play,
adjusting ..................................................8-6
Front fork, checking .................................8-10GGrab bar ...................................................4-13HHandlebar switches..................................4-11
Headlight bulb, replacing .........................8-11
Helmet holder...........................................4-12Horn switch .............................................. 4-11
IIdentification numbers ............................. 11-1LLuggage hook .......................................... 4-13MMain switch/steering lock........................... 4-1
Maintenance and lubrication, periodic ....... 8-2
Matte color, caution ................................... 9-1
Model label .............................................. 11-1
Motor, checking for irregular sounds ......... 8-4
Multi-function display ................................. 4-2PParking ...................................................... 7-5
Part locations ............................................. 2-1SSafe-riding points....................................... 1-4
Safety information...................................... 1-1
Seat ......................................................... 4-12
Security lock, using.................................... 4-7
Specifications .......................................... 10-1
Standard mode/power mode ..................... 3-1
Starting off ................................................. 7-3
Starting off, preparations ........................... 7-1
Steering, checking ................................... 8-10
Storage ...................................................... 9-3TTail/brake light bulb, replacing ................. 8-12
Tires........................................................... 8-5
Traveling distance ..................................... 3-2
Troubleshooting ....................................... 8-15
Turn signal light bulb, replacing ............... 8-13
Turn signal switch .................................... 4-11
VVehicle identification number .................. 11-1WWheel bearings, checking ....................... 8-11
Wheels ...................................................... 8-6
1CB-9-E0.book 2 ページ ２０１０年１０月１５日　金曜日　午前１０時１９分