BSA Bantam
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The BSA Bantam is a two-stroke unit construction motorcycle that was produced by the Birmingham Small Arms Company from 1948 until 1971. Exact production figures are unknown, but it was over 250,000 and some estimates place the number closer to... Wikipedia
Engine: 2-stroke 125 cc (D1); 150 cc (D3); 175 cc (D5 Onwards)
Manufacturer: BSA
Transmission: Three speed gearbox (D1-D10) Four speed gearbox (D14/4-B175)