The Scrambler was primarily intended for the American market. It underwent continual modification until 1968, when the true Scramblers with "wide-casing" engines were brought out, first in the 250 and 350 versions and then, in 1969, the 450.
The Scrambler series included a few bikes with Desmo cylinder heads and was subjected to continual technical adjustment right up until 1974, when production was halted.
The reasons for the Scrambler's commercial success were manifold. It had an excellent frame (it was even used for track racing, which is probably unprecedented in motorbike history) and an engine perfectly suited for its function. It was not the fastest bike of its day, but its general performance and absolutely centered riding position, made it one of the most delightful machines of the era. It was, moreover, extremely stylish: rounded lines, simultaneously classical and modern, and bright colors contrasting with the black running gear and chrome gas tank.
By and large, the Scrambler was considered a balance between American and European schools of motorcycling. It was an extremely fashionable bike, and remains popular today.
