continuing with our every 10 year theme here is motorcycle world in 1922. some bikes still look quite a bit like 1912 but they are different mechanically with more horsepower, more overhead valves, better front suspension and much better tires and in many cases brakes are better also. more motorcycles even have front brakes as well. who would have thought that front brakes would ever catch on? on the whole though motorcycles are looking more modern with some streamlining on the gas tanks and fenders, cruising and top speeds are higher also. we now have electrical systems, in many cases with batteries, for running electric head and taillights too. everything is looking up in motorcycle world. our first pic today is of a 550cc single cylinder Triumph with the Ricardo head and four valves per cylinder. that is pretty modern stuff right there. next we have an Indian Scout with V/twin of 600cc displacement and third a 1922 Harley-Davidson. this little bike did not last long in the Harley-Davidson lineup with it's flat twin fore and aft engine much like the English Douglas.
fourth we have the Scott Squirrel of 498cc from England. this is a 2 stroke 2 cylinder engine with liquid cooling. very advanced for the times. Scott always was a little ahead in some ways. they never were what you would call a typical looking motorcycle. and last we have the magnificent 4 cylinder Ace from the USA. Ace was the predecessor of the later Indian inline 4 cylinder motorcycle. 
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