A two-stroke exhaust pipe features a unique shape with varying diameters and an expansion chamber, which is specific to ...

Add Yahoo as a preferred source to see more of our stories on Google. One of the most significant contributions in the history of propulsion technology came from a 19th-century engineer named Rudolf ...

Add Yahoo as a preferred source to see more of our stories on Google. The rattle, buzz and clatter of a two-stroke engine is unmistakable, but it isn't necessarily good for the planet. That's because ...