Technical specifications
|
| Model: |
XR 250 |
| Years: |
1979 |
|
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:
|
9.6:1
|
|
Induction:
|
2x 30.5 mm piston valve Keihin carburetor
|
|
Ignition:
|
CDI 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 lb-ft @ 7500 rpm
|
|
Clutch:
|
Wet, four friction discs
|
|
Transmission:
|
5 Speed
|
|
Final Drive:
|
Chain
|
|
Sprockets:
|
Front 13 T Rear 53 T
|
|
Front Suspension:
|
Leading axel hydraulic 38mm forks
|
|
Front Wheel Travel:
|
223.5 mm / 8.8 in
|
|
Rear Suspension:
|
Inverted lay-down gas-charged shocks, three step spring pre-load
|
|
Rear Wheel Travel:
|
198 mm / 7.8 in
|
|
Front Brakes:
|
Drum
|
|
Rear Brakes:
|
Drum
|
|
Wheels:
|
DID shoulderless aluminum alloy
|
|
Front Tyre:
|
3.00-23
|
|
Rear Tyre:
|
4.60-18
|
|
Castor Angle:
|
26.5°
|
|
Dimensions:
|
Length 2210 mm / 87 in Width 874 mm / 34.4 in Height 1210mm / 47.6 in
|
|
Wheelbase:
|
1400 mm / 55.1 in
|
|
Seat Height:
|
880 mm / 34.6 in
|
|
Footpeg Height:
|
356 mm / 14 in
|
|
Ground Clearance:
|
280 mm / 11 in
|
|
Dry Weight:
|
114.5 kg / 252.5 lbs
|
|
Fuel Capacity:
|
9.8 Litres / 2.6 US gal
|