BSA Spares

2 Apr 2015 | autor: | Komentari su isključeni na BSA Spares
BSA THUNDERBOLT

BSA 350 De Luxe Model 19

HM19 121

BSA 350 De Luxe Model 19

Ovo 1938 BSA Model M19 comes with a Classic Services dating certificate, V55 form and various literature including Bruce Main-Smith parts catalogue and a photocopy of the original sales brochure where it states the price was £59 to buy new and 45 shillings to tax. The speedometer was extra on this model as was the lighting equipment. It comes with twin sports tool boxes, fishtail sports exhaust and the tank has been rechromed by the Rolls-Royce chrome service in Crewe.

The single cylinder OHV engine has a 68.8mm bore x 94mm stroke with dry sump lubrication and an oil indicator in the tank panel along with ammeter and switch. The valve gear is enclosed and it has an alloy piston, fitted with 5/8th chain and four speed constant mesh gearbox. You will notice on the timing side chain case it has the competition rev counter base with two studs, which possibly shows this machine to have been a competition bike.

The petrol tank holds 3 gallons and all the paintwork, we believe, was done over 10 years ago at great expense at the famous Lewis Templeton so is of a high standard. The motorcycle has been in storage since the rebuild, new tyres recently fitted, mag and dynamo overhauled and now just needs re-commissioning. This model is known in BSA circles as the fore-runner to the famous 1939 BSA Gold star, which now command very strong prices.

BSA Empire Star

The Empire Star was a standard motorcycle made by BSA at their factory in Small Heath, Birmingham. Named to commemorate the Silver Jubilee of King George V of the United Kingdom and advertised as The Master piece of the Industry , the Empire Star range was produced between 1936 i 1939, when it was developed into the BSA Gold Star and World War II stopped production.

Developed from the popular BSA Blue Star and designed by Val Page, [3] the Empire Star range had the benefit several ideas Page had been developing at his previous employers, Ariel and Triumph motorcycles. With a heavy frame and iron barrelled pushrod valves the Empire Star still had the legacy of the earlier BSAs however, and Page continued to lighten it and introduce engine tuning ideas throughout production.

The overhead valve Empire Star was available as the 250 cubic centimetres (15 sa) ’B22′, u 350 cc (21 sa) ’R5′ and the 500 cc (31 sa) ‘Q8′ models. Based on the standard Blue Star the ‘Empire’ featured an alloy primary chaincase with a special high compression piston and a hardened cylinder bore. It also had some modern features, including a new foot-change gearbox and dry sump lubrication.

BSA launched the range of Empire Star models in 1936 with an effective demonstration of their reliability – a 500 cubic centimetres (31 sa) model was subjected to an endurance test of 500 milja (800 km) at Brooklands, averaging speeds of over 70 miles per hour (110 km/h) round the oval track. This was followed by a 1,000 milja (1,600 km) endurance ride around the UK, visiting the West Country, Wales and the Lake District. The whole trip was completed successfully without the need for any spare parts – an important selling point for BSA in an increasingly competitive marketplace.

The outbreak of World War II ended production of the Empire Star in 1939 as the BSA factory switched to making munitions and producing the BSA M20 for the British Army.

BSA C11

BSA B44 Shooting Star

The BSA B44 Shooting Star was a motorcycle made by BSA at their factory in Small Heath, Birmingham. Similar to the BSA C15 and sharing many of the same parts, the B44 had an uprated chassis.

u 1968 the B44 became BSA’s top export model. The good availability of spare parts and the relative simplicity of the single-cylinder engine meant that the surviving examples are easily restored to as-new condition.

The Victor Roadster (or Shooting Star, a name borrowed from a 1950s-era BSA twin), had a top speed of around 90 mph (the same speed as the 250 BSA Barracuda – a.k.a. B25 Starfire) and was designed with a focus on easy riding over speed. It came with high-rise handlebars and reflectors both beneath the tank and on either side of the taillight.

u 1969 the Shooting Star was updated with a steel gas tank and a twin-leading-shoe brake.

Victors had impressive power-to-weight ratios that made them ideal for hill climbs. The 11:1 compression ratio required a compression release lever for kick starting.

BSA THUNDERBOLT

BSA A65 Star

The BSA A65 Star was a Birmingham Small Arms Company (BSA) motorcycle aimed at the US market for unit construction twins. As well as giving a clean look to the engine, with the pushrod passages part of the cylinder block casting, unit construction reduced the number of places oil could leak from. A range of A65 Star twins was produced between 1962 i 1972.

Development

Bob Fearon, managing director and general manager of BSA, recognised the need for a new look that built on the best features of the A10s but would succeed in the potentially lucrative, but competitive, US market. Working with chief development engineer Bert Perrigo, he developed the unit construction Star twins.

A range of these 650 cc (40 sa) Star twins were produced between 1962 i 1972 but they were really developments of the old model range with less weight. Not enough time was spent on testing and development as BSA were struggling to remain competitive with Triumph models and the emerging Japanese motorcycles. Large side panels were fitted to cover the space behind the engine but they contributed to a dated look.

This was reinforced by engine vibration, but acceleration was good to a top speed of 100 miles per hour (160 km/h).

Twelve volt electrics were introduced in 1966 and the top of the range BSA Spitfire was capable of 120 mph (190 km/h). u 1967 BSA won a special Queens Award to Industry and by 1969 the BSA factory were responsible for 80% of the British motorcycles exported. In the US the 650 Star twins were selling well with styling changes including high rise handlebars and more streamlined fuel tanks.

u 1970 a new ‘oil in frame’ design was adopted but this proved unpopular with shorter riders, as it increased the seat height. This was sorted out by 1972 but by then BSA were facing serious financial problems and stopped production of the outdated 650 Star twin.

BSA A65 Rocket

The BSA A65R Rocket was one of a series of unit construction twin cylinder Birmingham Small Arms Company (BSA) motorcycles made in the 1960s. A version branded as the A65 ‘Thunderbolt Rocket’ was aimed at the US market. The A65R Rocket was produced from 1964 but was stopped in 1965 when all development at BSA was halted by financial difficulties.

po 1965 competition from motorcycle producers such as Honda were eroding BSA’s previously rising sales figures. BSA’s marketing team was slow to respond and new motorcycle development contributed to substantial losses, so by 1972 the company was absorbed into Manganese Bronze Holdings in a rescue plan initiated by the Department of Industry. A plan to combine Norton, BSA and Triumph failed through poor industrial relations and the BSA factories closed.

BSA THUNDERBOLT
BSA THUNDERBOLT
BSA THUNDERBOLT
BSA THUNDERBOLT
BSA THUNDERBOLT


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