Yamaha 2009 WR250R Owner's Manual page 93

Gear ratio:
1st:
37/14 (2.642)
2nd:
29/16 (1.813)
3rd:
29/22 (1.318)
4th:
26/25 (1.040)
5th:
24/27 (0.888)
6th:
22/28 (0.786)
Chassis:
Frame type:
Semi double cradle
Caster angle:
26.67 °
Trail:
111.0 mm (4.37 in)
Front tire:
Type:
With tube
Size:
80/100-21M/C 51P
Manufacturer/model:
BRIDGESTONE/TW-301 F
Rear tire:
Type:
With tube
Size:
120/80-18M/C 62P
Manufacturer/model:
BRIDGESTONE/TW-302 F
Loading:
Maximum load:
185 kg (408 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:
2
125 kPa (1.25 kgf/cm , 18 psi)
Rear:
2
175 kPa (1.75 kgf/cm , 25 psi)
Loading condition:
90–185 kg (198–408 lb)
Front:
2
150 kPa (1.50 kgf/cm , 22 psi)
Rear:
2
200 kPa (2.00 kgf/cm , 29 psi)
Front wheel:
Wheel type:
Spoke wheel
Rim size:
21x1.60
Rear wheel:
Wheel type:
Spoke wheel
Rim size:
18x2.15
Front brake:
Type:
Single disc brake
9-2
SPECIFICATIONS
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:
270.0 mm (10.63 in)
Rear suspension:
Type:
Swingarm (link suspension)
Spring/shock absorber type:
Coil spring/gas-oil damper
Wheel travel:
270.0 mm (10.63 in)
Electrical system:
Ignition system:
TCI (digital)
Charging system:
AC magneto
Battery:
Model:
YTZ7S
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