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BSA Thunderbolt

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BSA Thunderbolt
1966 BSA Thunderbolt
Manufacturer BSA
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
Horse Power 46.00 HP (33.6 kW)) @ 7000 RPM
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The BSA Thunderbolt is a 650cc, twin cylinder, four stroke, street motorcycle manufactured by BSA in the 1960s and 1970s.

Specifications

  • Valves per cylinder: 2
  • Fuel control: OHV
  • Cooling system: Air
  • Gearbox: 4-speed
  • Transmission type final drive: Chain

1969

1969 BSA Thunderbolt 650 in Red
1969 BSA Thunderbolt 650 in Red
1969 BSA Thunderbolt 650 in Red
1969 BSA Thunderbolt 650 in Red



1972

1972 BSA Thunderbolt in Red
1972 BSA Thunderbolt in Red
1972 BSA Thunderbolt in Red
1972 BSA Thunderbolt in Red
1972 BSA Thunderbolt in Red
1972 BSA Thunderbolt in Red
1972 BSA Thunderbolt in Red
1972 BSA Thunderbolt in Red



References