2001年11月16日 · The M21 tested is a product of the immediate post-war motorcycling industry in that it shares the running gear of the war model WM20 despite being a claimed 1947 model.

The BSA M20 is a British motorcycle formerly made by Birmingham Small Arms Company (BSA) at their factory in Small Heath, Birmingham. Although initially viewed as a near failure by the …

Make Model: BSA M21: Year: 1937 - 61: Engine: Four stroke, single cylinder, side valve, Capacity: 591 cc / 36.1 in: Bore x Stroke. Up to 1938: 85 x 105 mm . After 1938: 82 x 112 mm

2016年1月14日 · The M21 from British manufacturer BSA sports an air-cooled, four-stroke, 591cc, single cylinder powerplant mated to a four-speed manual transmission that can reach a …

2015年8月31日 · An Edwardian motor bicycle with ‘modern’ features, one that doesn’t frighten the horses? The ideal, well-sorted winter classic bike? Must be Steve Wilson’s old BSA M21. He’s …

The 500cc BSA M20 with telescopic fork and rigid frame is a classy act with style at the back and comfort at the front. On the downside, it lacks the larger diameter front brake of the late BSA …

BSA M20 & M21 Pros . Mechanicals: Simple, but some head-scratching required. Handling: Surprisingly good. You can throw these around. Forks: Tele models are predictable. Girder …

It is a half-size 600cc BSA M21 side valve engine dating from the 1930s - 60s. The motorcycle fitted with a sidecar became well-known as the vehicle used by the Automobile Association as …

Petrol · Manual · 4 speed · LHD. €4,800. Asking price.

The BSA M21, known for its rugged reliability and torquey 600cc side-valve engine, was a favourite among military, police, and sidecar riders due to its unstoppable low-end power. A …