Early in the history of motorcycling, everything was four-stroke. Four-stroke engines crashed the party in the late '90s, rose to prominence in the mid-2000s and have remained in professional ...

Although they still exist, 2-stroke diesel engines aren't all that common, and 4-stroke engines are what you'll commonly see ...

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.

Fuel injection and four-stroke engines have risen in popularity ... to deliver the proper amount of fuel and air into its engine. A 2.6-gallon tank holds a reasonable amount of fuel to get riders ...

In the exhaust stroke, the exhaust valve is open and the combustion products are expelled from the cylinder. The sequence shown on the next page represents this behavior for a Mitsubishi direct ...

How hard could it to be to build a two-stroke internal combustion engine (ICE) from scratch ... that’s now on everyone’s lips is whether a four-stroke one would be nearly as ‘easy’.

We’re introduced to the traditional two-stroke diesel engine as thermally efficient but not smooth-running, and then the gas turbine as smooth but much more inefficient. The free piston engine ...

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