1925 250cc BSA Model B ‘Round Tank’
One of BSA’s all-time best-selling motorcycles, the 250cc Model B was called the ‘Round Tank’ because of its cylindrical fuel and oil reservoir. During production from 1924 to 1928, 35,000 examples were sold. Keenly priced, the chain-driven Model B was light yet sturdy and very economical.
The 249cc side-valve engine will barely take the machine to 45mph and the hand-change gearbox has only High and Low ratios, yet a Round Tank climbed the rocky 3560ft (1085m) peak of Snowdon in 1924. An odd feature of the Model B is the absence of a front brake. The rear brake is applied by both a handlebar lever and a pedal.
