Page 50 of 92

EAUS1591
Transmission oil
The transmission oil level should be
checked before each ride. In addition,
the oil must be changed at the inter-
vals specified in the periodic mainte-
nance and lubrication chart.
To check the transmission oil level
1. Transmission oil filler cap
2. Transmission oil check bolt
1. Remove cowling A. (See page 6-8).
2. Place the vehicle on a level surfa- ce and hold it in an upright posi-
tion.
TIP
Make sure that the vehicle is positio-
ned straight up when checking the oil
level. A slight tilt to the side can result
in a false reading.
3. Remove the oil check bolt, andthen check the oil level.
TIP
The oil should be at the brim of the
check hole.
4. If the oil is below the brim of thecheck hole, remove the oil filler
cap, add sufficient oil of the
recommended type to raise it to
the correct level, and then install
the oil filler cap.
5. Install the oil check bolt, and then tighten it to the specified torque. To change the transmission oil
1. Transmission oil check bolt
2. Transmission oil drain bolt
3. Washer
1. Place an oil pan under the trans-
mission oil case to collect the
used oil.
2. Remove the drain bolt and the oil check bolt to drain the oil.
3. Install the drain bolt and the check bolt, and then tighten them
to the specified torques.
Tightening torque:Oil check bolt: 6 Nm (0.6 m•kgf, 4.3 ft•lbf)
PERIODIC MAINTENANCE AND ADJUSTMENT
6-13
6
1HD-F819D-E0 7/3/11 20:27 Página 50
2AS-F819D-E0.indd 5031/07/12 10:09
Page 71 of 92

3. Turn the key to “ ” and turn onthe electrical circuits to check if
the devices operate.
4. If the fuse immediately blows again, have a Yamaha dealer
check the electrical system.
EAU23804
Replacing the headlight bulb
This model is equipped with a halo-
gen bulb headlight. If the headlight
bulb burns out, replace it as follows.
ECA10650
Take care not to damage the follo-
wing parts:
Headlight bulb
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 affec-
ted. Thoroughly clean off any
dirt and fingerprints on the
headlight bulb using a cloth
moistened with alcohol or thin-
ner.
Headlight lens
Do not affix any type of tinted
film or stickers to the headlight
lens.
Do not use a headlight bulb of
a wattage higher than speci-
fied.
1. Do not touch the glass part of the bulb.
1. Remove the headlight bulb cover,and then disconnect the head-
light lead connectors.
1. Headlight bulb cover
2. Unhook the headlight bulb hol-der, and then remove the burnt-
out bulb.
NOTICE
Specified fuse:10.0 A
PERIODIC MAINTENANCE AND ADJUSTMENT
6-34
6
1HD-F819D-E0 7/3/11 20:27 Página 71
2AS-F819D-E0.indd 7131/07/12 10:09
Page 81 of 92

Dimensions:Overall length:2202 mm (86.7 in)
Overall width: 689 mm (27.1 in)
Overall height: 1175 mm (46.3 in)
Seat height: 820 mm (32.3 in)
Wheelbase: 1341 mm (52.8 in)
Ground clearance: 151 mm (5.94 in)
Minimum turning radius: 2900 mm (114.2 in)
Weight:Curb weight:124 kg (273 lb)
Engine:Engine type:Liquid cooled 2-stroke
Cylinder arrangement: Single cylinder
Displacement: 49 cm
3
Bore x stroke:40.3 x 39.0 mm (1.59 x 1.54 in)
Compression ratio: 11.50 : 1
Starting system: Electric starter
Lubrication system: Wet sump
Engine oil:Type:YAMALUBE 2S or 2-stroke engine oil
(JASO FC grade) or (ISO EG-C or EG-D
grade)
Engine oil quantity:Quantity: 1.40 L (1.48 US qt, 1.23 Imp.qt)
Transmission oil:Transmission oil change quantity:0.75 L (0.79 US qt, 0.66 Im.qt)
Type: SAE10W-30 type SE motor oil
Cooling system:Coolant reservoir capacity (up to the maxi-
mum level mark):0.29 L (0.31 US qt, 0.26 Imp.qt)
Radiator capacity (including all routes): 0.70 L (0.74 US qt, 0.62 Imp.qt)
Air filter:Air filter element:Wet element
Fuel:Recommended fuel:Premium unleaded gasoline only
Fuel tank capacity: 13.8 L (3.65 US gal, 3.04 Imp.gal)
Fuel reserve amount: 2.2 L (0.58 US gal, 0.48 Imp.gal)
Carburetor:Manufacturer:DELL’ORTO
Type x quantity: PHBN 16 / DELL’ORTO x1
Spark plug(s):Manufacturer/model:NGK / BR9 ES
Spark plug gap: 0.6–0.7 mm (0.024–0.028 in)
Clutch type: Wet, multiple-disc
Transmission:Primary reduction ratio:71/20 (3.55)
Secondary reduction ratio: 60/11 (5.45)
Final drive: Chain
Transmission type: Constant mesh 6-speed
Operation: Left foot operation
Gear ratio:1st:36/12 (3.00)
2nd: 33/16 (2.062)
3rd: 29/19 (1.526)
4th: 32/24 (1.227)
5th: 25/24 (1.041)
6th: 24/25 (0.960)
Chassis:Frame type:Double cradle
SPECIFICATIONS
8-1
8
1HD-F819D-E0 7/3/11 20:27 Página 81
2AS-F819D-E0.indd 8131/07/12 10:09
Page 82 of 92

Caster angle:25.00 º
Trail: 90 mm (3.5 in)
Front tire:Type:Tubeless
Size: 100/80 17 (52H)
Manufacturer/model: Pirelli / Sport Demon
Manufacturer/model: Continental/Conti-Twist SM
Rear tire:Type:Tubeless
Size: 130/70 17 (62H)
Manufacturer/model: Pirelli / Sport Demon
Manufacturer/model: Continental/Conti-Twist SM
Maximum load: 196 kg (432 lb)
Tire air pressure (measured on cold
tires):
Loading condition:0–90 kg (0–198 lb)
Front: 180 kPa (1.80 kgf/cm
2, 26 psi, 1.80 bar)
Rear: 200 kPa (2.00 kgf/cm
2, 29 psi, 2.00 bar)
Loading condition: 90–193 kg (198–425 lb) Front:
190 kPa (1.90 kgf/cm
2, 28 psi, 1.90 bar)
Rear: 230 kPa (2.30 kgf/cm
2, 33 psi, 2.30 bar)High-speed riding:Front:190 kPa (1.90 kgf/cm2, 28 psi, 1.90 bar)
Rear: 230 kPa (2.30 kgf/cm
2, 33 psi, 2.30 bar)
Front wheel:Wheel type:Cast wheel
Rim size: 17M/C x MT2.50
Rear wheel:Wheel type:Cast wheel
Rim size: 17M/C x MT3.50
Front brake:Type:Single disc brake
Operation: Right hand operation
Recommended fluid: DOT 4
Rear brake:Type:Single disc brake
Operation: Right foot operation
Recommended fluid: DOT 4
Front suspension:Type:Telescopic fork
Spring/shock absorber type: Coil spring/oil damper
Wheel travel: 108.0 mm (4.25 in)
Rear suspension:Type:Swingarm (link suspension)
Spring/shock absorber type: Coil spring/oil damper
Wheel travel: 89.2 mm (3.51 in)
Electrical system:Ignition system:DC CDI
Charging system: Flywheel magneto
Battery:Model:GT4L-BS
Voltage, capacity: 12 V, 3.0 Ah
Headlight:Bulb type:Incandescence
Bulb voltage, wattage x quantity:Headlight:12 V, 25 W/25 W x 2
Headlight: 12 V, 25 W x 2
Tail/brake light: 12 V, 5.0 W/21.0 W x 1
SPECIFICATIONS
8-2
8
1HD-F819D-E0 7/3/11 20:27 Página 82
2AS-F819D-E0.indd 8231/07/12 10:09