Harley-Davidson is generally known for producing quality engines. However, one was prone to several issues related to the motorcycle's oil system.

Harley-Davidson underperforms in Europe. Some of the EU's best-selling bikes are big tourers, like BMW's boxer twins, but Harley's models aren't found among them. In fact, despite bikes in general ...

Despite declining sales and revenue in 2025, Harley-Davidson has been the dominant American motorcycle maker for most of its long and illustrious history. Harley has produced a succession of engines ...