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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. [ 3 ]
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 .
The BSA unit twins were a range of unit construction twin-cylinder motorcycles made by the Birmingham Small Arms Company (BSA) and aimed at the US market. A range of 500 cc (31 cu in), 650 cc (40 cu in) and 750 cc (46 cu in) twins were produced between 1962 and 1972, [1] but they were really developments of the older pre-unit A7/A10 model range with less weight. [2]
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. [2] The A65R Rocket was produced from 1964 but was stopped in 1965 when all development at BSA was halted by financial ...
BSA A65 may refer to a number of motorcycle models produced by the Birmingham Small Arms Company (BSA): BSA A65 Star; BSA A65 Rocket; BSA Hornet; BSA Lightning;
Sharing many A65 cycle parts, the Lightning Rocket had a slimmer fuel tank and mudguards, with additional chrome. From 1965, the A65 was discontinued in the UK and the BSA A65L Lightning became the main BSA production twin. [1] BSA Lightning Rocket at the National Motorcycle Museum (UK)
BSA motorcycles were made by the Birmingham Small Arms Company Limited (BSA), which was a major British industrial combine, a group of businesses manufacturing military and sporting firearms; bicycles; motorcycles; cars; buses and bodies; steel; iron castings; hand, power, and machine tools; coal cleaning and handling plants; sintered metals; and hard chrome process.
BSA A65 Rocket; BSA A65 Star; BSA A70 Lightning; B. BSA B21; BSA B25; BSA B40; BSA B44; BSA B44 Shooting Star; BSA B50; BSA Bantam; BSA Barracuda; Birmingham Small ...