The BSA A10 series was a range of 646 cc (39.4 cu in) air-cooled parallel twin motorcycles designed by Bert Hopwood and produced by Birmingham Small Arms Company at Small Heath, Birmingham from 1950 to 1963. The series was succeeded by the A65 unit construction models.

BSA A10 Golden Flash Specifications. Engine: Twin cylinder, 360 deg, OHV; Starting: Kickstart only; Capacity: 646 cc; Bore/Stroke: 70 mm x 84 mm

Launched in October 1949, the A10 Golden Flash was a new post-war design, with most of the difference to the A7 being in the engine. Increased to 650 cc (40 cu in), it encompassed revised castings for the cylinder head and rocker box, and a cast-in carburettor manifold.

For those who wanted the A10, but were too conservative to be seen in public in the company of that much colour, BSA offered the bike in basic black and chrome. But it was the gold that set the standard, driven largely by the real or perceived expectations of the US market which was where 80-90% of the A10s of that era were headed.

2013年12月16日 · The standard A10, with its sit up and beg handlebars, possesses better handling and brakes than many of its contemporaries, though while they may look 'dowdy' to some, to others they possess an understated, classic style.

Looking to buy a Bsa A10 motorcycle? Browse our extensive inventory of new and used Bsa A10 motorcycles from local Bsa dealers and private sellers. Compare prices, models, trims, options and specifications between different Bsa motorcycles on Cycle Trader.

The BSA A10 greatly contributed to the rise of the "parallel twin" engine layout which was to dominate British design throughout the 1950s, 60s and into the 70s. Designed by BSA chief designer Herbert Perkins, with former Triumph designer Val Page who had developed the first parallel 650cc twin also contributing.

2021年7月14日 · 1962 bsa a10 – nearing end of non-unit construction In 1962 BSA was in the middle of a major retooling to begin production of the new A50 (500) and A65 (650) unit-construction twins, that were meant to replace the highly successful non-unit twins the 500cc A7 and the 650cc A10 .

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2021年7月14日 · The BSA A10 was the inevitable result of the relentless drive for more & more horsepower. Driven mostly by the performance-hungry US market (which also happened to be the largest by far), every British motorcycle maker scrambled to build a 500cc vertical twin after the war, in the mold of Edward Turner’s game-changing 1938 Triumph Speed Twin.