
Here we will take a moment to look at enlargement technology.

This particular design put the single camshaft up forward of the cylinders, spun by a chain driven via the right-side timing case later the chain would be replaced by gears. Following World War II Norton was one of the first to jump on Turner’s vertical-twin bandwagon, with the Model 7 Dominator in the popular half-liter class. Norton died in 1925, just as his singles were hitting their stride on the racing circuit. He began building motorized bicycles in 1902, followed by V-twin models, and then a series of exceptional side-valve, OHV and OHC singles.
