Introduced in 1949, BSA’s rugged 650cc twin had undergone considerable development by the end of the succeeding decade. On the cycle parts front, the introduction of a swinging-arm frame in 1954 had resulted in the original bolt-up gearbox’s replacement by a conventional separate item, while the engine had benefited from numerous improvements including an increase in compression ratio for 1958 and the standardisation of the sports models’ high-lift camshaft for 1959. This A10 benefits from a recent engine rebuild that included the installation of +0.040” pistons. The machine is offered with Swansea V5 registration document.
Introduced in 1949, BSA’s rugged 650cc twin had undergone considerable development by the end of the succeeding decade. On the cycle parts front, the introduction of a swinging-arm frame in 1954 had resulted in the original bolt-up gearbox’s replacement by a conventional separate item, while the engine had benefited from numerous improvements including an increase in compression ratio for 1958 and the standardisation of the sports models’ high-lift camshaft for 1959. This A10 benefits from a recent engine rebuild that included the installation of +0.040” pistons. The machine is offered with Swansea V5 registration document.
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.jpg "Source: Christie's")
.jpg "Source: Christie's")
.jpg "Source: Christie's")
.jpg "Source: Christie's")
