Launched in 2002, the Royal Enfield Thunderbird 350 represented a major advancement in Enfield's cruiser lineup, catering especially to younger riders looking for a contemporary yet timeless appeal. Wide handlebars, forward-set footpegs, a teardrop-shaped fuel tank, and a low-slung cruiser appearance made for a comfortable riding position that was perfect for long-distance touring. The 350cc air-cooled, 4-stroke, single-cylinder AVL (Anstalt für Verbrennungskraftmaschinen List) lean-burn engine was introduced, improving rider ergonomics with an integrated 5-speed transmission on the left side (a shift from the traditional right-side gearshift). For increased rigidity and riding comfort, a double-cradle frame built of tubular steel was used in the chassis' construction. The fuel tank and the majority of the body panels were composed of steel, which gave it endurance and a vintage appearance. The Thunderbird's unusual "tiger eye" pilot lamp, chrome-plated components, and alloy wheels—a first for Royal Enfield at the time—all contributed to its distinctive character. It was produced in Royal Enfield's Chennai unit and established a new course for the company by striking a balance between vintage style and contemporary dependability and usability.