BSAB21 de Luxe 1937 - 1939
The 1947 BSA B21 de Luxe comes with a single, sprung seat, a large fuel tank, a pea-shooter single exhaust system, wire-spoked wheels, a large headlight, a spring-loaded girder front fork, a hard-tail rear, a black steel frame and a rear luggage rack.
In the engine department it sports a four-stroke, air-cooled, 249cc, single cylinder powerhouse paired to a four-speed manual transmission and can produce 2.5 horsepower at 3000 rpm.
BSAB21 de Luxe 1937 - 1939 Specs
Type: |
air-cooled, four-stroke, single cylinder, OHV |
Displacement: |
249 cm3 |
Bore X Stroke: |
2.5x3.1 in OR 64 mm |
Compression Ratio: |
- |
Horsepower: |
5/3000 KW(hp)/RPM |
Torque: |
0/- lb-ft/RPM OR 0 Nm/RPM |
Fuel System: |
Amal side float carburetor |
Gearbox: |
4-speed, manual |
Clutch: |
dry |
Primary Drive: |
- |
Final Drive: |
chain |
Frame: |
steel |
Front Suspension: |
single spring girder fork |
Rear Suspension: |
hard-tail, sprung seat |
Front Brake: |
none |
Rear Brake: |
hand lever and foot pedal working independently on rear wheel dummy rim |
Overall Length: |
- |
Overall Width: |
- |
Seat Height: |
- |
Wheelbase: |
62 in OR 1575 mm |
Ground Clearance: |
4.9 in OR 124 mm |
Weight: |
- |
Fuel Capacity: |
3.6 gallons OR 13.6 L |
Front: |
- |
Rear: |
- |
Related BSAB21 de Luxe 1937 - 1939 info
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