The sounds. The smells. The feels that electrify the senses and carry you back to simpler times. For many motorcycle enthusiasts, working and riding on two-stroke bikes capture the essence of a bygone ...

Gearheads and faithful Jalopnik readers already know the basics of an engine's bore and stroke, but for those that might be new here, let's dip our toes in the shallow end. An engine's bore refers to ...

General Motors may not be building a bike engine, but this two-stroke concept has real potential for motorcycle engineering. General Motors and two-stroke engines aren’t exactly two things you expect ...

Unless you're a motocross enthusiast, it's highly likely you haven't ben near a two-stroke engine in decades. While their mechanical simplicity, combined with an explosion on every complete revolution ...