1-3
SAFETY INFORMATION
1MENT.
Do not run engine indoors. Even if
you try to ventilate engine exhaust
with fans or open windows and
doors, carbon monoxide can rap-
idly reach dangerous levels.
Do not run engine in poorly venti-
lated or partially enclosed areas
such as barns, garages, or car-
ports.
Do not run engine outdoors where
engine exhaust can be drawn into
a building through openings such
as windows and doors.
Loading
Adding accessories or cargo to your
scooter can adversely affect stability
and handling if the weight distribution of
the scooter is changed. To avoid the
possibility of an ac cident, use extreme
caution when adding cargo or accesso-
ries to your scooter. Use extra care
when riding a scooter that has added
cargo or accessories. Here, along with
the information about accessories be-
low, are some general guidelines to fol-
low if loading cargo to your scooter:
The total weight of the operator, pas- senger, accessories and cargo must
not exceed the maximum load limit.
Operation of an overloaded vehicle
could cause an accident.
When loading within this weight limit,
keep the following in mind:
Cargo and accessory weight
should be kept as low and close to
the scooter as possible. Securely
pack your heaviest items as close
to the center of the vehicle as pos-
sible and make sure to distribute
the weight as evenly as possible
on both sides of the scooter to min-
imize imbalance or instability.
Shifting weights can create a sud-
den imbalance. Make sure that ac-
cessories and cargo are securely
attached to the scooter before rid-
ing. Check accessory mounts and
cargo restraints frequently.
Properly adjust the suspension
for your load (suspension-ad-
justable models only), and
check the condition and pres- sure of your tires.
Never attach any large or heavy items to the handlebar, front
fork, or front fender. Such items
can create unstable handling or
a slow steering response.
This vehicle is not designed to
pull a trailer or to be attached to
a sidecar.
Genuine Yamaha Accessories
Choosing accessories for your vehicle
is an important decision. Genuine
Yamaha accessories, which are avail-
able only from a Yamaha dealer, have
been designed, tested, and approved
by Yamaha for use on your vehicle.
Many companies with no connection to
Yamaha manufacture parts and acces-
sories or offer other modifications for
Yamaha vehicles. Yamaha is not in a
position to test the products that these
aftermarket companies produce.
Therefore, Yamaha can neither en-
dorse nor recommend the use of ac-
cessories not sold by Yamaha or
modifications not specifically recom-
mended by Yamaha, even if sold and
installed by a Yamaha dealer.
Maximum load: 160 kg (353 lb)
INSTRUMENT AND CONTROL FUNCTIONS
3-5
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TIPIf the odometer, tripmeter, or oil change
tripmeter indicates “-----”, have a Yama-
ha dealer check the multi-function dis-play.
OdometerTIPFor the U.K.: The odometer and tripme-
ter units can be switched from kilome-
ters to miles by pushing the “SELECT”button for 1 second.
Tripmeter
To reset the tripmeter, select it by push-
ing the “SELECT” button until “TRIP” isdisplayed, and then push the “RESET”
button for 1 second.
Oil change tripmeter
To reset the oil change tripmeter, select
it by pushing the “SELECT” button until
the oil change tripmeter is displayed,
and then push the “RESET” button for
3 seconds.
Push the “SELECT” button again to
start the oil change tripmeter; the dis-
play changes to the ODO mode.
Oil change indicator “OIL
CHANGE”
This indicator flashes at the initial 1000
km (600 mi), then at every 3000 km
(1800 mi) thereafter to indicate that the
engine oil should be changed.
After changing the engine oil, reset the
oil change tripmeter.
If the engine oil is changed before the
oil change indicator flashes (i.e. before
the periodic oil change interval has
been reached), the oil change tripmeter
must be reset after the oil change for
the next periodic oil change to be indi-
cated at the correct time.1. Odometer
1
1. Tripmeter
1
1. Oil change tripmeter
1
INSTRUMENT AND CONTROL FUNCTIONS
3-6
234
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TIPIf the oil change tripmeter is reset be-
fore the initial 1000 km (600 mi), the
next periodic oil change interval will beat every 3000 km (1800 mi) thereafter.
Clock
To set the clock:1. Set the display to “ODO”, thenpress the “RESET” button for at
least three seconds.
2. When the hour digits start flashing, push the “SELECT” button to set
the hours.
3. Push the “RESET” button, and the first minute digit will start flashing.
4. Push the “SELECT” button to set the first minute digit.
5. Push the “RESET” button and the second minute digit will start flash-
ing.
6. Push the “SELECT” button to set the second minute digit.
7. Push the “RESET” button to start the clock.
TIPIf you do not push the “SELECT” or the
“RESET” button within 30 seconds, the
setting of the clock will not be complet-
ed and the display will change to “ODO”mode.
EAU1234H
Handlebar switchesLeft
Right 1. Horn switch “ ”
2. Turn signal switch
3. Pass switch “PASS”
4. Dimmer switch
1. Start switch “ ”
3
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INSTRUMENT AND CONTROL FUNCTIONS
3-10
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EAU13434
Catalytic converterThis model is equipped with a catalytic
converter in the exhaust system.
WARNING
EWA10863
The exhaust system is hot after op-
eration. To prevent a fire hazard or
burns:
Do not park the vehicle near
possible fire hazards such as
grass or other materials that
easily burn.
Park the vehicle in a place
where pedestrians or children
are not likely to touch the hot
exhaust system.
Make sure that the exhaust sys-
tem has cooled down before do-
ing any maintenance work.
Do not allow the engine to idle
more than a few minutes. Long
idling can cause a build-up ofheat.
NOTICE
ECA10702
Use only unleaded gasoline. The use
of leaded gasoline will cause unre-pairable damage to the catalytic
converter.
EAUT1504
SeatTo open the seat
1. Place the scooter on the center- stand.
2. Insert the key into the main switch, and then turn it counterclockwise
to the first “OPEN” position. If the
main switch is in the “LOCK” posi-
tion, turn the key counterclockwise
to the second “OPEN” position.TIPDo not push inward when turning the
key from “OFF” to “OPEN” or from“LOCK” to “OPEN”.
3. Fold the seat up.1. Turn.
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OPERATION AND IMPORTANT RIDING POINTS
EAU15952
Read the Owner’s Manual carefully to
become familiar with all controls. If
there is a control or function you do not
understand, ask your Yamaha dealer.
WARNING
EWA10272
Failure to familiarize yourself with
the controls can lead to loss of con-
trol, which could cause an accidentor injury.
EAU45311
TIPThis model is equipped with a lean an-
gle sensor to stop the engine in case of
a turnover. To start the engine after a
turnover, be sure to turn the main
switch to “OFF” and then to “ON”. Fail-
ing to do so will prevent the engine from
starting even though the engine willcrank when pushing the start switch.
EAUT3681
Starting the engineNOTICE
ECA10251
See page 5-3 for engine break-in in-
structions prior to operating the ve-hicle for the first time.1. Turn the key to “ON”. The engine trouble warning light
and coolant temperature warning
light should come on for a few sec-
onds, then go off. NOTICE: If a
warning light does not go off,
have a Yamaha dealer check its
electrical circuit.
[ECAT1171]
2. Close the throttle completely.
3. Start the engine by pushing the start switch while applying the front
or rear brake. NOTICE
ECA11042
For maximum engine life, never ac-
celerate hard when the engine iscold!
If the engine does not start, re-
lease the start switch, wait a few
seconds, and then try again. Each
starting attempt should be as short
PERIODIC MAINTENANCE AND ADJUSTMENT
6-26
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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 AN D 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.
NOTICE
ECA16522
To charge a VRLA (Valve Regulated
Lead Acid) battery, a special (con-
stant-voltage) battery charger is re-
quired. Using a conventional batterycharger will damage the battery.
To store the battery
1. If the model will not be used for more than one month, remove the
battery, fully charge it, and then
place it in a cool, dry place. NO-
TICE: When removing the bat-
tery, be sure the key is turned to
“OFF”, then disconnect the neg-
ative lead before disconnecting
the positive lead.
[ECA16303]
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. NOTICE: When install-
ing the battery, be sure the key
is turned to “OFF”, then con- nect the positive lead before
connecting the negative
lead.
[ECA16841]
4. After installing the battery, make
sure that the battery leads are
properly connected to the battery
terminals.
5. Turn the key from “ON” to “OFF” three times in three-second inter-
vals to initialize the idle speed con-
trol system.NOTICE
ECA16531
Always keep the battery charged.
Storing a discharged battery cancause permanent battery damage.
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789
SPECIFICATIONS
EAU5091K
Dimensions:Overall length:2030 mm (79.9 in)
Overall width: 715 mm (28.1 in)
Overall height: 1295 mm (51.0 in)
Seat height:
795 mm (31.3 in)
Wheelbase: 1405 mm (55.3 in)
Ground clearance: 93 mm (3.66 in)
Minimum turning radius:
2100 mm (82.7 in)Weight:Curb weight:148 kg (326 lb)Engine:Engine type:Liquid cooled 4-stroke, SOHC
Cylinder arrangement: Single cylinder
Displacement:
125 cm
3
Bore × stroke:
52.0 × 58.7 mm (2.05 × 2.31 in)
Compression ratio: 11.0 : 1
Starting system:
Electric starter
Lubrication system: Wet sump
Engine oil:Type:
SAE 10W-40
Recommended engine oil grade: API service SG type or higher, JASO stan-
dard MA or MB
*Engine oil quantity: Periodic oil change:
0.95 L (1.00 US qt, 0.84 Imp.qt)Final transmission oil:Type:SAE 10W-30 type SE motor oil
Quantity:
0.20 L (0.21 US qt, 0.18 Imp.qt)Cooling system:Coolant reservoir capacity (up to the maxi-
mum level mark):0.25 L (0.26 US qt, 0.22 Imp.qt)
Radiator capacity (including all routes): 0.56 L (0.59 US qt, 0.49 Imp.qt)
Air filter:Air filter element:Oil-coated paper elementFuel:Recommended fuel:Regular unleaded gasoline
Fuel tank capacity:
7.4 L (1.96 US gal, 1.63 Imp.gal)Fuel injection:*Throttle body:ID mark:52S1 01Spark plug(s):Manufacturer/model:
NGK / CPR8EA
Spark plug gap: 0.8–0.9 mm (0.031–0.035 in)Clutch:Clutch type:
Dry, centrifugal automaticTransmission:Primary reduction ratio:1.000
Final drive:
Gear
Secondary reduction ratio: 8.787 (45 / 13 × 33 / 13)
Transmission type: V-belt automaticChassis:Frame type:Backbone
Caster angle: 26.00 °
–20 –10 0 1020 30 40 50 C
10 30 50 70 90 110
0 130 F
SAE 10W-30
SAE 15W-40SAE 20W-40SAE 20W-50
SAE 10W-40SAE 10W-50
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CONSUMER INFORMATION
EAU53562
Identification numbersRecord the vehicle identification num-
ber, engine serial number, and the
model label information in the spaces
provided below. These identification
numbers are needed when registering
the vehicle with the authorities in your
area and when ordering spare parts
from a Yamaha dealer.
VEHICLE IDENTIFICATION NUM-
BER:
ENGINE SERIAL NUMBER:
MODEL LABEL INFORMATION:
EAU26411
Vehicle identification number
The vehicle identification number is
stamped into the frame.TIPThe vehicle identification number is
used to identify your vehicle and may
be used to register it with the licensingauthority in your area.
EAU26441
Engine serial number
The engine serial number is stamped
into the crankcase.
EAU26501
Model label
1. Vehicle identification number
1
1. Engine serial number
1. Model label
1
1