General information
Model: BSA A 65 Thunderbolt
Year: 1972
Category: Classic
Rating: 70.6 out of 100. Show full rating and compare with other bikes
Engine and transmission
Displacement: 654.00 ccm (39.91 cubic inches)
Engine type: Twin
Stroke: 4
Power: 46.00 HP (33.6 kW)) @ 7000 RPM
Compression: 9.0:1
Bore x stroke: 75.0 x 74.0 mm (3.0 x 2.9 inches)
Valves per cylinder: 2
Fuel control: OHV
Cooling system: Air
Gearbox: 4-speed
Transmission type
final drive: Chain
Physical measures
Weight incl. oil, gas, etc: 220.0 kg (485.0 pounds)
Chassis and dimensions
Front tyre dimensions: 3.25-19
Rear tyre dimensions: 4.00-18
Front brakes: Expanding brake
Rear brakes: Expanding brake
Speed and acceleration
Top speed: 168.0 km/h (104.4 mph)
Other specifications
Fuel capacity: 18.00 litres (4.76 gallons)