Technical specifications
|
Model: |
SR 250 |
Years: |
1980-82 |
Engine:
|
Four stroke, single cylinder, SOHC, 2 valve
|
Capacity:
|
239 cc / 15.2 cu-in
|
Bore x Stroke:
|
73.5 x 56.5 mm
|
Cooling System:
|
Air cooled
|
Compression Ratio:
|
8.9:1
|
Induction:
|
34mm Mikuni carburettor
|
Ignition:
|
Electronically
|
Starting:
|
Electric
|
Max Power:
|
21 hp / 15.7 kW @ 7700 rpm
|
Max Torque:
|
18.7 ft-lb / T25.5 Nm @ 7000 rpm
|
Transmission:
|
5 Speed
|
Final Drive:
|
Chain
|
Front Suspension:
|
32mm Telescopic forks
|
Rear Suspension:
|
Dual shock 5-way preload adjustment.
|
Front Brakes:
|
Drum
|
Rear Brakes:
|
Drum
|
Front Tyre:
|
3.00-18
|
Rear Tyre:
|
120/90-16
|
Wheelbase:
|
1340 mm / 52.75 in
|
Seat Height:
|
740 mm / 29.0 in
|
Wet Weight:
|
130 kg 287 lbs
|
Fuel Capacity:
|
10.8 Litres / 2.7 US gal
|
Consumption Average:
|
70 mpg
|
Standing ¼ Mile:
|
16.3 sec
|
Top Speed:
|
89 mph / 143.2 km/h
|