Honda CB750First introduced in 1969, the Honda CB750 is often credited as "the world's first superbike" and as the original Universal Japanese Motorcycle (UJM).At the time of development, the bike's design and engineering were unparalleled, challenging what a motorcycle could be and forcing competitors to catch up. The CB750 helped kickstart the golden age of motorcycle development.The CB750 had a 736cc, SOHC, air-cooled, inline four-cylinder engine that produced 67 horsepower at 8,000 rpm. It featured a five-speed transmission, electric starter, and front disc brakes.Adding to the trophy case, the Honda CB750 was named one of Discovery Channel's "Greatest Motorbikes Ever" and is in the AMA Hall of Fame Classic Bikes. The motorcycle ceased production in 2007, and today, it is highly sought out by collectors and enthusiasts, with restored models fetching a decent price. A CB750 from 1968 even sold for a massive $263,725, making it one of the most expensive Japanese motorcycles sold at auction.