2021年7月14日 · 1953 BSA B33 DESIGN The B31 and B33 were never intended to be high-performance, sporting bikes. These were workhorses, meant to lay down endless miles of smooth, reliable service, often with sidecar attached. To that end, BSA made them stronger than they needed to be. The B33’s engine used a built-up crankshaft with two full flywheels riding ...

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.

Model: B33 Year: 1957 Displacement: 500 cc Cylinder: 1 Engine type: 4-stroke / ohv Bore / Stroke: 85 x 88 mm Power: 23hp

2009年8月20日 · Alex & TT have pretty well covered it. The frame is the major difference between the 2. B33 frame had no tubes under the engine, M33 used the M series frame which had tubes under the trans/engine and attached to the front engine mount plates. Frame also had lugs for the side car to attach.

2015年8月31日 · Faithful plonking is the B33’s line.’. The B33, for those of you not so familiar with it, was the big brother to BSA’s post-war B31. The B31 ran 71mm x 88mm engine dimensions while the bigger bore B33 headed toward the nearly-square 85mm x 88mm.

2019年10月4日 · 1958 bsa b33 After recovering from the ravages of World War II, BSA set about motorcycle manufacturing again, and the 1947 plunger rear suspension model B33 was among its first post War singles. The overhead valve B33 was one in a long line of singles produced, and it was especially loved by the British sidecar fraternity.

2021年8月16日 · Salt Beeza: 1948 BSA B33 Land Speed Bike British workhorse goes land-speeding on an Australian dry lake… In 1947, BSA introduced the 500cc “all-iron” B33, one of their first new singles to appear in the wake of World War II.

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2018年2月16日 · Basic specifications include a 499cc single (there was also a 349cc model called the B31) that produced 23 horsepower at 5,500 rpm and was capable of just topping 80 miles per hour. Realistically, you’d be happiest riding around at 55. A full swingarm rear suspension was introduced in 1954.

2014年10月9日 · I´m not going to say nothing of the magnificent qualities of the B33 that already should be known, but this B33 has a curious history. The factory BSA stamped in the engines " for this...