We may receive a commission on purchases made from links. Motorcycles grow more powerful with each passing year, with engines like Indian's Power Plus 108 and Harley-Davidson's new 2.1-liter Screaming ...

Between the immense cost of R&D and the added complexity and expense of production, you’ll find that most motorcycle brands tend to field one or two engine configurations (i.e., V-twin, inline-four, ...