The 1970 Ducati 350 Scrambler motorcycle was quick even without Ducati's hot desmodromic valve train. The 350 Scrambler was considered one of the "tamer" models though it was still fast for a bike of its size. See pictures and learn about the 350 Scrambler.
The 1956 Harley-Davidson KHK model was the final flathead motorcycle that Harley would ever produce. The KHK featured lower handlebars, less chrome trim, and more-performance oriented camshafts. Learn more about the 1956 Harley-Davidson KHK.