These steps are known as strokes, which give the typical combustion engine its name as a four-stroke engine. Here are those four strokes, and how they operate: These strokes can just as easily be ...

Porsche recently received a patent for a six-stroke engine. Here are all the details, including what makes a six-stroke ...

Forced induction in motorcycles is nothing new, but Honda's latest concept vehicle is going about it in a whole new way.

If electrics aren't yet ready to take over in the motorcycling world, maybe forced induction could rule the next era. Honda ...

The German automaker sees your four-stroke engine and raises you... two more strokes. Ready for some math? Porsche just ...

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 ...

After 40 years, Honda is once again building a V3 engine, this time as a four-stroke with an electric supercharger.

Yanmar Power Technology has successfully completed a land-based demonstration test of a pilot-ignition hydrogen 4-stroke high-speed engine designed for power generation in coastal vessels.

The RS 125 has gone through a few upgrades over the years, the biggest one being the move to a four-stroke engine in 2011. A large number of the RS 125s sold to non-MotoGP racers had their motors ...