Technical specifications
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| Model: |
SR 250 |
| Years: |
1978-79 |
|
Engine:
|
Four stroke, single cylinder, SOHC, 2 valve
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|
Capacity:
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239 cc / 15.2 cu-in
|
|
Bore x Stroke:
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73.5 x 56.5 mm
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|
Cooling System:
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Air cooled
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Compression Ratio:
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8.9:1
|
|
Induction:
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34mm Mikuni carburettor
|
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Ignition:
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Electronically
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|
Starting:
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Electric
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Max Power:
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21 hp / 15.7 kW @ 7700 rpm
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|
Max Torque:
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18.7 ft-lb / T25.5 Nm @ 7000 rpm
|
|
Transmission:
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5 Speed
|
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Final Drive:
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Chain
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Front Suspension:
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32mm Telescopic forks
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Rear Suspension:
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Dual shock 5-way preload adjustment.
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Front Brakes:
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Drum
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Rear Brakes:
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Drum
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Front Tyre:
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3.00-18
|
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Rear Tyre:
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120/90-16
|
|
Wheelbase:
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1340 mm / 52.75 in
|
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Seat Height:
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740 mm / 29.0 in
|
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Wet Weight:
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130 kg 287 lbs
|
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Fuel Capacity:
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10.8 Litres / 2.7 US gal
|
|
Consumption Average:
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70 mpg
|
|
Standing ¼ Mile:
|
16.3 sec
|
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Top Speed:
|
89 mph / 143.2 km/h
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