Over the last few years, there’s been a resurgence in the popularity of two-stroke engines, even though competitive riders continue to rely on four-stroke power. So which is preferable?

The Flat-Twin engine is something special, and so it holds a place in history for its many uses and achievements.

The power stroke extracts work from these gases as they expand and force the piston to BDC. In the exhaust stroke, the exhaust valve is open and the combustion products are expelled from the cylinder.

As it turns out, you can indeed build a two-stroke engine from scratch ... question that’s now on everyone’s lips is whether a four-stroke one would be nearly as ‘easy’.

The key distinction between a conventional 4-stroke engine and a 6-stroke design lies in the cam and valve timing. A ...

4stroke is used in gixxer.2 stroke engines are no longer used in any bike as it causes more pollution and are not efficient as 4 stroke engines.

You’ve reached your account maximum for followed topics. For most of us around the world, our cars will be powered by either a humble yet hard-working four-cylinder engine, or a smooth and ...

But most of what we’ve seen has been simple two-stroke engines. We’re really impressed with the skill needed to bring off a four-stroke engine like this, and we feel like we picked up quite a ...

For fans who want the unmistakable sound of a four-stroke engine, the engineers from Piaggio have launched the 2012 MY ...