The largest parallel-twin engine ever fitted to a production motorcycle is not some futuristic prototype, but a bruising British twin that quietly rewrote the rulebook on displacement and torque. It ...

Cruiser motorcycles and large engines go hand in hand. That gets you the lazy, effortless torque of a large-capacity engine, the stress-free lope at highway speeds, and the ability to carry a lot of ...

Five is a very unusual number of cylinders for a motorcycle engine, and the most familiar examples graced track-only prototypes that brought world championships in two eras to Honda. If storied ...