Sunbeam B1
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| Sunbeam B1 | |
| Manufacturer | |
|---|---|
| Production | 1957 - 64 |
| Engine | Parallel twin cylinder, 4 stroke |
| Compression ratio | 6.5:1 |
| Top Speed | 97 km/h / 60 mph |
| Battery | 12V |
| Transmission | Four speed |
| Frame | Tubular frame |
| Brakes | Front: Drum, 127 mm diameter Rear: Drum, 127 mm diameter |
| Weight | |
| Fuel Consumption | 2.4 L/1000 km/ 41.7 km/l / 118 Imp mpg / 98 US mpg |
| Manuals | Service Manual |
It could reach a top speed of 97 km/h / 60 mph.
Engine[edit | edit source]
The engine was a Forced air cooled cooled Parallel twin cylinder, 4 stroke. The engine featured a 6.5:1 compression ratio.
Chassis[edit | edit source]
Stopping was achieved via Drum, 127 mm diameter in the front and a Drum, 127 mm diameter in the rear.
Photos[edit | edit source]
Overview[edit | edit source]
Sunbeam B1
| Make Model. | Sunbeam B1 |
|---|---|
| Year | 1957 - 64 |
| Engine Type | Parallel twin cylinder, 4 stroke |
| Displacement | 250 cc / 15.3 cu in |
| Bore X Stroke | 56 x 50.6 mm |
| Cooling System | Forced air cooled |
| Compression | 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 |
| Tires, 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 |