Sunbeam B1

 

   

Make Model.

Sunbeam B1

Year

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