Yamaha wasn't the first to bring the ATV to the U.S.; that honor belongs to the banned Honda ATC. But in 1980, Yamaha launched the YT125 Tri-Moto, which had three wheels powered by a 123cc two-stroke ...
Honda may have pioneered the ATV market with 1970s US90 three-wheeler (later renamed the ATC, under which name it gained infamy for being banned in America), but it's far from the only Japanese giant ...