Page 63 of 84

PERIODIC MAINTENANCE AND MINOR REPAIR
6-30
6
CAUTION:
ECA10640
Do not use a fuse of a higher amper-
age rating than recommended to
avoid causing extensive damage to
the electrical system and possibly afire.
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.
EAU37670
Replacing a headlight bulb If a headlight bulb burns out, replace it
as follows.
1. Remove cowling C. (See page
6-5.)
2. Remove the headlight bulb holder
by pushing it inward and turning it
counterclockwise, and then re-
move the defective bulb.
WARNING
EWA10790
Headlight bulbs get very hot. There-
fore, keep flammable products away
from a lit headlight bulb, and do not
touch the bulb until it has cooleddown.3. Place a new bulb into position, and
then secure it with the bulb holder.
CAUTION:
ECA10660
Do not touch the glass part of the
headlight bulb to keep it free from
oil, otherwise the transparency of
the glass, the luminosity of the bulb,
and the bulb life will be adversely af-
fected. Thoroughly clean off any dirt
and fingerprints on the headlight
bulb using a cloth moistened with al-cohol or thinner.
4. Install the cowling.
5. Have a Yamaha dealer adjust the
headlight beam if necessary.
1. Headlight bulb holder
1. Do not touch the glass part of the bulb.
U5YPE0E0.book Page 30 Wednesday, February 23, 2005 4:22 PM
Page 75 of 84

SPECIFICATIONS
8-1
8
Dimensions:Overall length:1945 mm (76.6 in)
Overall width:
705 mm (27.8 in)
Overall height: 1065 mm (41.9 in)
Seat height: 770 mm (30.3 in)
Wheelbase:
1245 mm (49.0 in)
Ground clearance: 140 mm (5.51 in)
Minimum turning radius: 1900 mm (74.8 in)Weight:With oil and fuel:109,0 kg (240 lb)Engine:Engine type:Liquid cooled 4-stroke, SOHC
Cylinder arrangement:
Forward-inclined single cylinder
Displacement: 134.4 cm ³ (8.20 cu.in)
Bore × stroke:
54.0 × 58.7 mm (2.13 × 2.31 in)
Compression ratio:
10.90 :1
Starting system: Electric starter and kickstarter Lubrication system:
Wet sump
Engine oil:Type:
SAE20W40 or SAE20W50
Recommended engine oil grade: API service SF, SG type or higher
JASO MA
Engine oil quantity: Without oil filter element replacement:
0.80 L (0.85 US qt) (0.70 Imp.qt)
With oil filter element replacement: 0.90 L (0.95 US qt) (0.79 Imp.qt)Cooling system:Coolant reservoir capacity (maximum
level) YAMAHA GENUINE COOLANT: 0.28 L (0.30 US qt) (0.25 Imp.qt)
Radiator capacity (including all routes):
0.62 L (0.66 US qt) (0.55 Imp.qt)Air filter:Air filter element:Dry elementFuel:Recommended fuel:Regular unleaded gasoline only
Fuel tank capacity: 4.0 L (1.06 US gal) (0.88 Imp.gal)Carburetor:Manufacturer:MIKUNI
Type × quantity:
VM22 x 1
Spark plug (s):Manufacturer/model: NGK CPR8EA-9/ DENSO U24EPR-9
Spark plug gap:
0.8 –0.9 mm (0.031 –0.035 in)Clutch:Clutch type:
Wet, multiple-disc and centrifugal
automaticTransmission:Primary reduction system:
Spur gear
Primary reduction ratio: 69/24 (2.875)
Secondary reduction system: Chain drive
Secondary reduction ratio:
39/15 (2.600)
Transmission type: Constant mesh 4-speed
Operation: Left foot operation
Gear ratio:
1st:34/12 (2.833)
2nd:
30/16 (1.875)
3rd: 23/17 (1.353)
4th: 23/22 (1.045)Chassis:Frame type: Diamond
U5YPE0E0.book Page 1 Wednesday, February 23, 2005 4:22 PM
Page 76 of 84

SPECIFICATIONS
8-2
8
Caster angle:25.50 °
Trail: 75.0 mm (2.95 in)Front tire:Type:
With tube
Size: 70/90-17M/C 38P
Manufacturer/model:
IRC/NF63B
Manufacturer/model: DUNLOP/D 102FARear tire:Type:
With tube
Size: 80/90-17M/C 44P
Manufacturer/model: IRC/NR78Y
Manufacturer/model:
DUNLOP/D102ALoading:Maximum load:110 kg (243 lb)
(Total weight of rider, passenger, cargo and
accessories)Tire air pressure (measured on cold
tires):Loading condition:
0–90 kg (0 –198 lb)
Front: 200 kPa (29 psi) (2.00 kgf/cm ²) Rear:
225 kPa (33 psi) (2.25 kgf/cm ²)
Loading condition: 90–110 kg (198 –243 lb)
Front:
200 kPa (29 psi) (2.00 kgf/cm ²)
Rear: 225 kPa (33 psi) (2.25 kgf/cm ²)
Front wheel:Wheel type:
Spoke wheel
Rim size: 17x1.20Rear wheel:Wheel type:
Spoke wheel
Rim size: 17x1.60Front brake:Type:
Single disc brake
Operation: Right hand operation
Recommended fluid: DOT 3 or 4Rear brake:Type:Drum brake
Operation: Right foot operationFront suspension:Type:Telescopic fork Spring/shock absorber type:
Coil spring/oil damper
Wheel travel: 100.0 mm (3.94 in)
Rear suspension:Type:Swingarm (monocross)
Spring/shock absorber type: Coil spring/oil damper
Wheel travel:
90.0 mm (3.54 in)Electrical system:Ignition system:DC. CDI
Charging system:
AC magnetoBattery:Model:GM5Z-3B/YB 5L-B
Voltage, capacity:
12 V, 5.0 AhHeadlight:Bulb type:Krypton bulbBulb voltage, wattage × quantity:Headlight:
12 V, 32 W/32.0 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, 10.0 W × 2
U5YPE0E0.book Page 2 Wednesday, February 23, 2005 4:22 PM