BSA A65 Star [SEP] manufacturer
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 and 1972.
Development.
The decision by Lucas in the late 1950s to switch production of motorcycle electrical components (from magneto/dynamo systems
English). A light-alloy Gold Star type fuel tank and a steel oil tank were fitted together with three ignition coils, one as a spare.
The 490 cc prototype was finished and tested in Wales with the remaining batch utilising the other engine sizes scheduled to follow. Some bikes were intended to be named Triumph and the others BSA, to enable two opportunities for makers' honours.
A Tribsa was built experimentally at Meriden by Triumph in 1973 using surplus BSA A65 frames. This led to a '