Charlevoix — I learned to drive a time machine this summer: the 1925 Ford Model T. On Clark Road, a two-lane dirt-and-gravel byway, I shifted into second gear, released the clutch, and headed south ...

In modern context, we call a 650cc parallel twin a middle-weight machine, but the late 1960s were a different time, with a different context. The motorcycle horsepower wars and gentleman’s agreements ...