Looking for the magic bullet: 1974-1976 Yamaha RD200
Like Goldilocks, Japanese bike makers tried every size to find one that was just right. During the late 1960s, you could buy bikes starting from 50cc at almost 10cc intervals, including 65, 80, 90, 100, 110, 125, 150, 160, 175, 200, 250, 305, 350cc and more. The 200cc class emerged around 1970 as a practical option for commuting, with just enough juice to make a sometime weekend tourer.
Launched for 1974 as the Yamaha RD200, the bike’s roots can be traced all the way back to the 1968 180cc CS1. Although “built on the same scale as the RD125B,” said Cycle in June 1975, the RD200 was 35 pounds heavier. Yet compared with the RD250, the 200 was as much as 50…