After 15 years of great success with their pre-unit twins, the 500cc A7 and the 650cc A10, BSA had a real challenge ahead of them. How do you follow up a ‘home run’ like the A7 & A10? They had proven ...
By this time the A65 was well-developed resulting from a steady process of improvement. The 1969 BSA A65 Lightning benefitted from a new balance pipe between exhaust headers, revised silencers ...
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