Technical specifications
|
| Model: |
XR 250 |
| Years: |
1981 |
|
Engine:
|
Four stroke, single cylinder SOHC, 4 valve
|
|
Capacity:
|
249 cc / 15.2 cu-in
|
|
Bore x Stroke:
|
74 x 57.8 mm
|
|
Cooling System:
|
Air cooled
|
|
Compression Ratio:
|
10.0:1
|
|
Induction:
|
2x 30.5 mm piston valve Keihin
|
|
Ignition:
|
Capasitor-Discharge
|
|
Spark Plug:
|
D&EA, Plug gap .028
|
|
Starting:
|
Kick
|
|
Max Power:
|
30 hp / 21.9 kW @ 9000 rpm
|
|
Max Torque:
|
24.5 Nm / 18 ft-lb @ 7500 rpm
|
|
Clutch:
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Wet, four friction discs
|
|
Transmission:
|
6 Speed
|
|
Final Drive:
|
Chain, #520 x 106
|
|
Sprockets:
|
Front 13 T Rear 53 T
|
|
Front Suspension:
|
Leading axel air spring 38mm forks
|
|
Front Wheel Travel:
|
245 mm / 9.6 in
|
|
Rear Suspension:
|
Pro-link Kayaba damper adjustment for spring preload and rebound damping
|
|
Rear Wheel Travel:
|
247 mm / 9.7 in
|
|
Front Brakes:
|
Drum
|
|
Rear Brakes:
|
Drum
|
|
Front Tyre:
|
3.00-21
|
|
Rear Tyre:
|
5.10-17
|
|
Seat Height:
|
945 mm / 37.2 in
|
|
Ground Clearance:
|
320 mm / 12.6 in
|
|
Dry Weight:
|
108 kg / 238 lbs
|
|
Fuel Capacity:
|
9.8 Litres / 2.6 US gal
|