Technical specifications
|
| Model: |
B1 |
| Years: |
1957-64 |
|
Engine:
|
Parallel twin cylinder, 4 stroke
|
|
Capacity:
|
250 cc / 15.3 cu in
|
|
Bore x Stroke:
|
56 x 50.6 mm
|
|
Cooling System:
|
Forced air cooled
|
|
Compression Ratio:
|
6.5:1
|
|
Battery:
|
12V
|
|
Starting:
|
Electric
|
|
Max Power:
|
7.5 kW / 10 hp @ 5500 rpm
|
|
Transmission:
|
Four speed
|
|
Final Drive:
|
Enclosed chain in oil bath
|
|
Frame:
|
Tubular frame
|
|
Ground Clearance:
|
127 mm / 5.0"
|
|
Front Brakes:
|
Drum, 127 mm diameter
|
|
Rear Brakes:
|
Drum, 127 mm diameter
|
|
Tyres, Front and Rear:
|
3.50 x 10"
|
|
Dri weight:
|
110 kg / 243 lbs
|
|
Fuel Consumption:
|
2.4 L/1000 km/ 41.7 km/l / 118 Imp mpg / 98 US mpg
|
|
Top Speed:
|
97 km/h / 60 mph
|