Over the last century, American motorcycle giant Harley-Davidson has put out several iconic engines, each unique enough to have an impact, however small, not only on the company itself but also on the ...

Despite declining sales and revenue in 2025, Harley-Davidson has been the dominant American motorcycle maker for most of its long and illustrious history. Harley has produced a succession of engines ...

Honda's 1983 CX650 Turbo featured electronic fuel injection and boost control but lasted only one model year despite making ...