"Honda's CB750 is one of the most significant production motorcycles in history for one simple reason: It changed history.
In a market previously dominated by smaller-displacement singles and twins, Honda introduced a large-displacement, transverse, air-cooled, inline four-cylinder and as suddenly the 1969 class of one. American Honda sold 400,000 units in a 10 year-run.
In 1973 sales figures soared, more than 60,000 CB750s were sold in one single year, a number that's simply unheard of in today's street bike market. "