Page 31 of 76

OPERATION AND IMPORTANT RIDING POINTS
5-1
5
EAU15980
WARNING
EWA10870
Become thoroughly familiar
with all operating controls and
their functions before riding.
Consult a Yamaha dealer re-
garding any control or function
that you do not thoroughly un-
derstand.
Never start the engine or oper-
ate it in a closed area for any
length of time. Exhaust fumes
are poisonous, and inhaling
them can cause loss of con-
sciousness and death within a
short time. Always make sure
that there is adequate ventila-
tion.
For safety, always start the en-gine with the centerstand down.
EAU45310
NOTE:This 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.
EAU45420
Starting the engine CAUTION:
ECA10250
See page 5-4 for engine break-in in-
structions prior to operating the ve-hicle for the first time.
In order for the ignition circuit cut-off
system to enable starting, the side-
stand must be up.
WARNING
EWA10290
Before starting the engine,
check the function of the igni-
tion circuit cut-off system ac-
cording to the procedure
described on page 3-12.
Never ride with the sidestanddown.
1. Turn the key to “ON”.
CAUTION:
ECAT1040
The engine trouble warning light
should come on for a few seconds,
then go off. If the warning light does
not go off, have a Yamaha dealercheck the electrical circuit.
2. Close the throttle completely.
U4P7E1E0.book Page 1 Wednesday, December 12, 2007 9:37 AM
Page 60 of 76

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
U4P7E1E0.book Page 25 Wednesday, December 12, 2007 9:37 AM
Page 69 of 76

SPECIFICATIONS
8-1
8
Dimensions:Overall length:
1860 mm (73.2 in)
Overall width:
670 mm (26.4 in)
Overall height:
1045 mm (41.1 in)
Seat height:
730 mm (28.7 in)
Wheelbase:
1250 mm (49.2 in)
Ground clearance:
95 mm (3.74 in)
Minimum turning radius:
1800 mm (70.9 in)Weight:With oil and fuel:
110.0 kg (243 lb)Engine:Engine type:
Air cooled 4-stroke, SOHC
Cylinder arrangement:
Forward-inclined single cylinder
Displacement:
125.0 cm³
Bore × stroke:
51.5 × 60.0 mm (2.03 × 2.36 in)
Compression ratio:
9.50 :1
Starting system:
Electric starter
Lubrication system:
Wet sump
Engine oil:Type:
SAE 10W-30, SAE 10W-40, SAE 20W-40
or SAE 20W-50
Recommended engine oil grade:
API service SG type or higher, JASO
standard MA
Engine oil quantity:
Periodic oil change:
1.00 L (1.06 US qt) (0.88 Imp.qt)Final transmission oil:Type:
SAE 85W-140(GL5)
Quantity:
0.13 L (0.14 US qt) (0.11 Imp.qt)Air filter:Air filter element:
Oil-coated paper elementFuel:Recommended fuel:
Regular unleaded gasoline onlyFuel tank capacity:
5.5 L (1.45 US gal) (1.21 Imp.gal)
Fuel injection:Throttle body:
Manufacturer:
MIKUNI
Type/quantity:
SEAC24-6/1Spark plug (s):Manufacturer/model:
NGK/CR7E
Spark plug gap:
0.7–0.8 mm (0.028–0.031 in)Clutch:Clutch type:
Dry, centrifugal automaticTransmission:Primary reduction system:
Helical gear
Primary reduction ratio:
40/15 (2.667)
Secondary reduction system:
Spur gear
Secondary reduction ratio:
38/13 (2.923)
Transmission type:
V-belt automatic
Operation:
Centrifugal automatic typeChassis:Frame type:
Steel tube backbone
Caster angle:
27.00 °
-20 -10 0
10 20 30
40
50 ˚C
SAE 10W-30
SAE 15W-40SAE 20W-40SAE 20W-50
SAE 10W-40SAE 10W-50
U4P7E1E0.book Page 1 Wednesday, December 12, 2007 9:37 AM
Page 70 of 76

SPECIFICATIONS
8-2
8
Trail:
75.0 mm (2.95 in)Front tire:Type:
Tubeless
Size:
100/90-10 56J
Manufacturer/model:
CHENG SHIN/C-922Rear tire:Type:
Tubeless
Size:
100/90-10 56J
Manufacturer/model:
CHENG SHIN/C-940Loading:Maximum load:
167 kg (368 lb)
(Total weight of rider, passenger, cargo and
accessories)Tire air pressure (measured on cold
tires):Loading condition:
0–83 kg (0–183 lb)
Front:
175 kPa (25 psi) (1.75 kgf/cm²)
Rear:
200 kPa (29 psi) (2.00 kgf/cm²)
Loading condition:
83–167 kg (183–368 lb)
Front:
175 kPa (25 psi) (1.75 kgf/cm²)Rear:
250 kPa (36 psi) (2.50 kgf/cm²)
Front wheel:Wheel type:
Cast wheel
Rim size:
J10 x 2.15Rear wheel:Wheel type:
Cast wheel
Rim size:
J10 x MT2.50Front brake:Type:
Single disc brake
Operation:
Right hand operation
Recommended fluid:
DOT 3 or 4Rear brake:Type:
Drum brake
Operation:
Left hand operationFront suspension:Type:
Telescopic fork
Spring/shock absorber type:
Coil spring/oil damper
Wheel travel:
80.0 mm (3.15 in)Rear suspension:Type:
Unit swingSpring/shock absorber type:
Coil spring/oil damper
Wheel travel:
65.0 mm (2.56 in)
Electrical system:Ignition system:
TCI (digital)
Charging system:
AC magnetoBattery:Model:
GTX7A-BS/YTX7A-BS
Voltage, capacity:
12 V, 6.0 AhHeadlight:Bulb type:
Halogen bulbBulb voltage, wattage × quantity:Headlight:
12 V, 35 W/35.0 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, 16.0 W × 2
Meter lighting:
12 V, 3.4 W × 2
High beam indicator light:
12 V, 1.7 W × 1
Turn signal indicator light:
12 V, 1.7 W × 1
Engine trouble warning light:
12 V, 1.7 W × 1
U4P7E1E0.book Page 2 Wednesday, December 12, 2007 9:37 AM
Page 72 of 76
CONSUMER INFORMATION
9-1
9
EAU26351
Identification numbers Record the key identification number,
vehicle identification number and mod-
el label information in the spaces pro-
vided below for assistance when
ordering spare parts from a Yamaha
dealer or for reference in case the vehi-
cle is stolen.
KEY IDENTIFICATION NUMBER:
VEHICLE IDENTIFICATION
NUMBER:
MODEL LABEL INFORMATION:
EAU26381
Key identification number
The key identification number is
stamped into the key tag. Record this
number in the space provided and use
it for reference when ordering a new
key.
EAU26410
Vehicle identification number
The vehicle identification number is
stamped into the frame.NOTE:
The vehicle identification number is
used to identify your vehicle and may
be used to register it with the licensingauthority in your area.
1. Key identification number
1
1. Vehicle identification number
1
U4P7E1E0.book Page 1 Wednesday, December 12, 2007 9:37 AM
Page 73 of 76
CONSUMER INFORMATION
9-2
9
EAU26500
Model label
The model label is affixed to the inside
of the rear storage compartment. (See
page 3-9.) Record the information on
this label in the space provided. This in-
formation will be needed when ordering
spare parts from a Yamaha dealer.1. Model label
1
U4P7E1E0.book Page 2 Wednesday, December 12, 2007 9:37 AM