At the heart of every great Harley-Davidson motorcycle is the engine -- here we've got 10 of the greatest of all time.

Harley-Davidson's Twin Cam engine powered much of its lineup in the early 21st Century, but had some common major problems that didn't please owners.

When you think of a big V-twin cruiser, the iconic names that instantly spring to mind are often Harley-Davidson or Indian. For decades, these American powerhouses held court, captivating riders with ...

Japanese bike maker Suzuki launched five new versions of the V-Strom family, all of them refreshed for the 2026 model year.

We may receive a commission on purchases made from links. Kawasaki builds a number of F-series V-twin engines for the lawn care segment. These engines can be found on lawn and garden tractors and ...

Moto Guzzi's latest sport touring motorcycle, the V100 Mandello S, represents the power and potential of modern two-wheel greatness. It's as much a rattling ball of V-twin angst as it is a jovial, ...

Desmo, Testastretta, Granturismo, and Superquadro. These are just a few of the engine names made famous by Italian bike maker Ducati over the years. Each of them specifically tailored to suit a ...