1955 BSA M 21
General motorcycle information
Engine and transmission
Displacement
36.06 cubic inches (591.0 ccm)
Engine type
Single cylinder, 4 stroke
Power
15.0 horsepowers (11.2 kiloWatts)
at 4000 RPM
Torque
-
Compression
-
Bore x stroke
5.00 x 6.83 inches (82.0 x 112.0 mm)
Fuel system
Carburettor
Fuel control
Sidevalves
Cooling system
-
Gearbox
-
Transmission type, final drive
Chain
Starter
Kick
Fuel consumption
-
Top speed
-
Chassis, suspension, brakes and wheels
Front tyre
3.25-19
Rear tyre
3.25-19
Front brake
Expanding brake (drum)
Rear brake
Expanding brake (drum)
Physical measures and capacities
Dry weight
-
Seat height
-
Wheelbase
-
Ground clearance
-
Fuel capacity
3.00 gallons (11.4 litres)
Oil capacity
-
Further motorcycle information
More specs
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Insurance costs
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