BSA Thunderbolt
The BSA Thunderbolt is a 650cc, twin cylinder, four stroke, street motorcycle manufactured by BSA in the 1960s and 1970s.
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| BSA Thunderbolt | |
| Manufacturer | |
|---|---|
| Engine | 654.00 ccm (39.91 cubic inches) Twin Four-Stroke |
| Bore / Stroke | 75.0 x 74.0 mm (3.0 x 2.9 inches) |
| Compression ratio | 9.0:1 |
| Horsepower | 46.00 HP (33.6 kW)) @ 7000 RPM |
| Weight | |
| Manuals | |
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SpecificationsEdit
- Valves per cylinder: 2
- Fuel control: OHV
- Cooling system: Air
- Gearbox: 4-speed
- Transmission type final drive: Chain
