Model codes are a great way of not only understanding what Harley-Davidson motorcycle you're driving and what it's capable of ...

There are numerous ways to describe an engine. You can distinguish the best overall Harley Davidson engines, but constructing a list of the most reliable Harley engines is a different exercise in ...

TJ started writing for TopSpeed in 2015, but has been writing on motorcycle and automotive topics since 2009 for outlets such as eHow, eHowNow, and MotorTrend subsidiaries. He is certified to work on ...

Harley-Davidson motorcycles have always been defined by their engines. Owners and loyalists know the names and nicknames for each successive powerplant version. A new engine represents the start of a ...

Motorcyclists often wave to one another in camaraderie. Many bikers greet all others, but some hard-core Harley-Davidson riders won't acknowledge another brand. Harley itself confused traditionalists ...

Harley-Davidson's Big Twin is the heart and soul of America's most famous touring bikes. As Cycle World put it: "If ever an engine inspired religious fervor, this is it." This fall the icon gets an ...

FLTRX shows it’s a Big Twin touring bike (FL), a Road Glide model (TR), and the X designates its trim, defining it ...