BSA B31 - Motorcycle Specifications
The BSA B31, introduced in 1945, was the first new model introduced by the company after the Second World War. Based on pre-war designs, it used a single cylinder four stroke engine that displaced 348 cc (21.2 cu in). Initially, it had a rigid frame and telescopic forks, the …
List of BSA motorcycles - Wikipedia
Used super strong/lightweight Reynolds 531 tubing aimed at competition use. All BSA parallel twins were pushrod operated overhead valve machines. The A7 and A10 models were semi-unit construction until about 1953 and pre-unit construction thereafter. All A50, A65 and A70 models were unit construction. BSA's first parallel twin.
BSA B31 For Sale - Car and Classic
Looking to buy a BSA B31? Complete your search today at Car & Classic where you will find the largest and most diverse collection of classics in Europe
BSA B31/BSA B33 buyers guide - sumpmagazine.com
The 499cc "all iron" BSA B33 arrived in 1947. It was based upon the 1945 348cc B31 which was derived from the pre-WW2 OHV BSA pre-unit singles. Outwardly identical to the B31, the B33 featured a slightly larger carburettor, heavier flywheels and a larger rear tyre. The first B33s were built around rigid frames.
Review: BSA B31 - Classic Bike Hub
2022年1月5日 · BSA’s B31 is unusual in the classic world, in that there wasn’t really much of a gap between it being ordinary workaday transport and it becoming a classic worthy of restoration and loving care. Many a B31 has rumbled on, refusing to break, for years.
BSA B31 (1949-1959) Specs, Performance & Photos - autoevolution
The 1949 BSA B31 has at its heart an air-cooled, four-stroke, 348cc, single cylinder powerhouse mated to a four-speed manual transmission that can produce a claimed 22 horsepower at 6000 rpm.
BSA B31 - Classic Bike Hub
2013年10月23日 · BSA B31 350cc single . From the restorer’s point of view, the big advantage of a bike such as BSA’s daily-workhorse 350cc B31 single, is that it remained in production for so long – modified over the years, naturally, but not to any significant degree – that parts are still relatively easy to obtain; even for a 1946 example, as seen here.
BSA B31 – Stout fellow - Old Bike Australasia
2024年4月19日 · Specifications: 1952 BSA B31. Engine: OHV single. Cast iron barrel and head with light alloy rocker covers. Gear-type oil pump. Bore x stroke: 71mm x 88mm Capacity: 348cc Carburettor: Amal Type 6 with remote bowl Ignition: Lucas Magdyno, gear-driven Transmission: 4 …
1959 BSA B31 Green Manual, 4 speed in English Bicknor, Un...
1959 BSA B31 Motorcycle - £4995. Useable classic with 399cc big bore engine (Triumph T140 piston), electronic ignition, indicators and Triumph vented brakes. Very nicely restored by previous owner. Lovely condition, comfy ride, starts first or second kick and easily enough power to keep up with traffic. Sounds fantastic!
1949 BSA Bikes B31 - Classic Driver
BSA's rugged, workaday B31 was manufactured from 1945 to the end of 1959, its overhead-valve engine providing the basis for the renowned Gold Star sports roadster. At the time of its introduction, the B31 was BSA's sole all-new model, joining the lightweight 'C' and heavyweight 'M' ranges carried over from pre-war days.