XB

The XB nameplate marked a major turning point for Buell’s street motorcycles. Introduced for the 2003 model year, it replaced the earlier tube-frame Buell approach with the brand’s distinctive fuel-in-frame layout, perimeter front brake, and a much more compact chassis philosophy. The first XB machines arrived as the Firebolt XB9R and Lightning XB9S, establishing the platform’s sharp handling and minimalist American sportbike character from the outset. Over the next few years, the family broadened into multiple variants, including larger-displacement 1203cc versions and the long-legged Ulysses, which pushed the same underlying architecture into sport-touring and adventure-minded territory. That flexibility became one of the XB line’s defining traits: it was not a single motorcycle but a modular platform that supported naked, faired, streetfighter, and adventure models while retaining a shared engineering identity. The XB era ran through the 2010 model year, after which production ended when the original company was shuttered. Among Buell enthusiasts, the XB remains one of the brand’s most recognizable and influential generations, remembered for its unconventional packaging, strong chassis focus, and the way it distilled Buell’s performance ideas into a mainstream production family.