The Harley-Davidson XL Sportster family of motorcycles has always thrived on street-bred performance and with new standard Electronic Sequential Port Fuel Injection (ESPFI), new handlebar wiring and ...

Harley-Davidson is a brand deeply tied to tradition, from its distinctive rumble to hands-on garage tuning. Carbureted engines were a part of that rugged image for decades. Owners loved tinkering with ...

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 ...

Even if you own one of the best Harley-Davidson motorcycles ever made, you're likely to still experience some backfiring from time to time. Backfiring is a loud popping or cracking sound that erupts ...