Older carbureted Harley-Davidsons can use a minute or two of warmup most days, more if it's freezing. Newer fuel-injected ...

Harley-Davidson has just marked the last Evo engine to roll off her belt – and to say the industry’s got mixed feelings on the matter is the understatement of the year. Do you remember the first bike ...

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 ...

Between 1984 and 1999 American bike maker Harley-Davidson fitted some of the bikes it made with an engine called Evolution. It was such a great piece of engineering that, regardless of the models that ...