2008 YAMAHA VITY 125 battery

TABLE OF CONTENTSSAFETY INFORMATION ..................1-1
Further safe-riding points ................1-4
DESCRIPTION ..................................2-1
Left view ..........................................2-1
Right view ........................................2-2
Controls and instruments.................2-3
INSTRUMENT AND CONTROL
FUNCTIONS.......................................3-1
Main switch/steering lock ................3-1
Keyhole cover .................................3-2
Indicator, indicator lights and
warning light ................................3-2
Speedometer unit ...........................3-3
Self-diagnosis device ......................3-4
Fuel gauge ......................................3-4
Anti-theft alarm (optional) ...............3-4
Handlebar switches ........................3-5
Front brake lever ............................3-5
Rear brake lever .............................3-6
Fuel tank cap ..................................3-6
Fuel .................................................3-7
Catalytic converters ........................3-8
Seat ................................................3-8
Helmet holders ...............................3-9
Storage compartments ...................3-9
Carrier ...........................................3-10
Luggage hook ...............................3-11
Sidestand ......................................3-11
Ignition circuit cut-off system ........3-12PRE-OPERATION CHECKS............. 4-1
Pre-operation check list .................. 4-2
OPERATION AND IMPORTANT
RIDING POINTS................................. 5-1
Starting the engine ......................... 5-1
Starting off ...................................... 5-2
Acceleration and deceleration ........ 5-3
Braking ........................................... 5-3
Tips for reducing fuel
consumption ............................... 5-4
Engine break-in .............................. 5-4
Parking ........................................... 5-5
PERIODIC MAINTENANCE AND
MINOR REPAIR................................. 6-1
Periodic maintenance and
lubrication chart .......................... 6-2
Removing and installing cowlings
and panels .................................. 6-6
Checking the spark plug ................. 6-8
Engine oil ....................................... 6-9
Final transmission oil .................... 6-11
Air filter and V-belt case air filter
elements ................................... 6-12
Checking the throttle cable free
play ........................................... 6-15
Valve clearance ............................ 6-15
Tires ............................................. 6-15
Cast wheels .................................. 6-17Checking the front brake lever
free play .................................... 6-17
Adjusting the rear brake lever
free play .................................... 6-18
Checking the front brake pads
and rear brake shoes ............... 6-18
Checking the front brake fluid
level .......................................... 6-19
Changing the brake fluid .............. 6-20
Checking and lubricating the
cables ....................................... 6-20
Checking and lubricating the
throttle grip and cable ............... 6-21
Lubricating the front and rear
brake levers .............................. 6-21
Checking and lubricating the
centerstand and sidestand ....... 6-22
Checking the front fork ................. 6-22
Checking the steering .................. 6-23
Checking the wheel bearings ....... 6-23
Battery ......................................... 6-23
Replacing the fuse ....................... 6-25
Replacing the headlight bulb ....... 6-25
Replacing a front turn signal
light bulb ................................... 6-26
Rear turn signal light and
tail/brake light ........................... 6-27
Replacing the auxiliary light
bulb ........................................... 6-27
Troubleshooting ........................... 6-28
Troubleshooting chart .................. 6-29U4P7E1E0.book Page 1 Wednesday, December 12, 2007 9:37 AM

DESCRIPTION
2-1
2
EAU10410
Left view
1
23
9
8
7
64
5
1. Battery (page 6-23)
2. Fuse (page 6-25)
3. V-belt case air filter element (page 6-12)
4. Air filter element (page 6-12)
5. Final transmission oil filler cap (page 6-11)
6. Final transmission oil drain bolt (page 6-11)
7. Engine oil drain bolt (page 6-9)
8. Centerstand (page 6-22)9. Sidestand (page 3-11, 6-22)
U4P7E1E0.book Page 1 Wednesday, December 12, 2007 9:37 AM

OPERATION AND IMPORTANT RIDING POINTS
5-2
53. Start the engine by pushing the
start switch while applying the front
or rear brake.
NOTE:If the engine does not start, release the
start switch, wait a few seconds, and
then try again. Each starting attempt
should be as short as possible to pre-
serve the battery. Do not crank the en-
gine more than 5 seconds on any oneattempt.
CAUTION:
ECA11040
For maximum engine life, never ac-
celerate hard when the engine iscold!
EAU45091
Starting off 1. While pulling the rear brake lever
with your left hand and holding the
grab bar with your right hand, push
the scooter off the centerstand.
2. Sit astride the seat, and then ad-
just the rear view mirrors.
3. Switch the turn signals on.
4. Check for oncoming traffic, and
then slowly turn the throttle grip (on
the right) in order to take off.
5. Switch the turn signals off.
1. Rear brake lever
2. Start switch
3. Front brake lever
1
23
1. Grab bar
1
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PERIODIC MAINTENANCE AND MINOR REPAIR
6-23
6
EAU45510
Checking the steering Worn or loose steering bearings may
cause danger. Therefore, the operation
of the steering must be checked as fol-
lows at the intervals specified in the pe-
riodic maintenance and lubrication
chart.
1. Place the vehicle on the center-
stand.
WARNING
EWA10750
Securely support the vehicle so thatthere is no danger of it falling over.
2. Hold the lower ends of the front
fork legs and try to move them for-
ward and backward. If any free
play can be felt, have a Yamaha
dealer check or repair the steering.
EAU23290
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.
EAUT1854
Battery This model is equipped with a sealed-
type (MF) battery, which does not re-
quire any maintenance. There is no
need to check the electrolyte or to add
distilled water.NOTE:The battery is located behind panel B.(See page 6-6.)
WARNING
EWA10760


Electrolyte is poisonous and
dangerous since it contains sul-
furic acid, which causes severe
1. Battery
2. Positive battery lead (red)
3. Negative battery lead (black)
2
3
1
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PERIODIC MAINTENANCE AND MINOR REPAIR
6-24
6 burns. Avoid any contact with
skin, eyes or clothing and al-
ways shield your eyes when
working near batteries. In case
of contact, administer the fol-
lowing FIRST AID.
EXTERNAL: Flush with plenty
of water.
INTERNAL: Drink large quan-
tities of water or milk and im-
mediately call a physician.
EYES: Flush with water for 15
minutes and seek prompt
medical attention.


Batteries produce explosive hy-
drogen gas. Therefore, keep
sparks, flames, cigarettes, etc.,
away from the battery and pro-
vide sufficient ventilation when
charging it in an enclosed
space.


KEEP THIS AND ALL BATTER-
IES OUT OF THE REACH OFCHILDREN.To charge the battery
Have a Yamaha dealer charge the bat-
tery as soon as possible if it seems to
have discharged. Keep in mind that the
battery tends to discharge more quickly
if the vehicle is equipped with optional
electrical accessories.
To store the battery
1. If the vehicle will not be used for
more than one month, remove the
battery, fully charge it, and then
place it in a cool, dry place.
2. If the battery will be stored for more
than two months, check it at least
once a month and fully charge it if
necessary.
3. Fully charge the battery before in-
stallation.
4. Before installation, make sure that
the battery leads are properly con-
nected to the battery terminals.
CAUTION:
ECAT1051


Always keep the battery
charged. Storing a discharged
battery can cause permanent
battery damage.


To charge a sealed-type (MF)
battery, a special (constant-volt-
age) battery charger is required.
Using a conventional battery
charger will damage the battery.
If you do not have access to a
sealed-type (MF) battery charg-
er, have a Yamaha dealer
charge your battery.


After installing the battery, be
sure to turn the main switch
from “ON” to “OFF” three times
in 3 seconds intervals to initial-
ize the idle speed control sys-tem.
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PERIODIC MAINTENANCE AND MINOR REPAIR
6-25
6
EAUT2022
Replacing the fuse The fuse holder is located beside the
battery. Remove panel B to access the
fuse. (See page 6-6.)
If the fuse is blown, replace it as fol-
lows.
1. Turn the key to “OFF” and turn off
all electrical circuits.
2. Remove the blown fuse, and then
install a new fuse of the specified
amperage.
CAUTION:
ECAT1061


Do not use a fuse of a higher
amperage rating than recom-
mended to avoid causing exten-
sive damage to the electrical
system and possibly a fire.


After removing and installing
the main fuse, be sure to turn
the main switch from “ON” to
“OFF” three times in 3 seconds
intervals to initialize the idlespeed control system.
3. Turn the key to “ON” and turn on
the electrical circuits to check if the
devices operate.
4. If the fuse immediately blows
again, have a Yamaha dealer
check the electrical system.
EAU45501
Replacing the headlight bulb This model is equipped with a quartz
bulb headlight. If the headlight bulb
burns out, replace it as follows.
1. Place the vehicle on the center-
stand.
2. Remove cowling B. (See page
6-6.)
3. Remove the headlight bulb cover.
4. Remove the headlight bulb holder
by turning it counterclockwise, and
then remove the defective bulb
from the headlight unit.
1. Fuse
2. Spare fuseSpecified fuse:
15.0 A1
2
1. Headlight bulb cover
1
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PERIODIC MAINTENANCE AND MINOR REPAIR
6-29
6
EAUT1980
Troubleshooting chart
WARNING
EWA10840
Keep away open flames and do not smoke while checking or working on the fuel system.
Check the fuel level in
the fuel tank.1. Fuel
There is enough fuel.
There is no fuel.
Check the compression.
Supply fuel.
The engine does not start.
Check the compression.
Operate the electric starter.2. Compression
There is compression.
There is no compression.
Check the ignition.
Have a Yamaha dealer
check the vehicle.
Remove the spark plug
and check the electrodes.3. Ignition
Wipe off with a dry cloth and correct the
spark plug gap, or replace the spark plug.
Have a Yamaha dealer check the vehicle.
The engine does not start.
Have a Yamaha dealer
check the vehicle.
The engine does not start.
Check the battery.
Operate the electric starter.4. Battery
The engine turns over
quickly.
The engine turns over
slowly.
The battery is good.Check the battery lead connections,
and charge the battery if necessary.
DryWet
Operate the electric starter.
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SCOOTER CARE AND STORAGE
7-4
73. Perform the following steps to pro-
tect the cylinder, piston rings, etc.
from corrosion.
a. Remove the spark plug cap
and spark plug.
b. Pour a teaspoonful of engine oil
into the spark plug bore.
c. Install the spark plug cap onto
the spark plug, and then place
the spark plug on the cylinder
head so that the electrodes are
grounded. (This will limit spark-
ing during the next step.)
d. Turn the engine over several
times with the starter. (This will
coat the cylinder wall with oil.)
e. Remove the spark plug cap
from the spark plug, and then
install the spark plug and the
spark plug cap.
WARNING
EWA10950
To prevent damage or injury from
sparking, make sure to ground the
spark plug electrodes while turningthe engine over.4. Lubricate all control cables and the
pivoting points of all levers and
pedals as well as of the side-
stand/centerstand.
5. Check and, if necessary, correct
the tire air pressure, and then lift
the scooter so that both of its
wheels are off the ground. Alterna-
tively, turn the wheels a little every
month in order to prevent the tires
from becoming degraded in one
spot.
6. Cover the muffler outlet with a
plastic bag to prevent moisture
from entering it.
7. Remove the battery and fully
charge it. Store it in a cool, dry
place and charge it once a month.
Do not store the battery in an ex-
cessively cold or warm place [less
than 0 °C (30 °F) or more than 30
°C (90 °F)]. For more information
on storing the battery, see page
6-23.
NOTE:Make any necessary repairs beforestoring the scooter.
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