A look back at Yamaha's massive two-stroke engine changed the motorcycle world forever.

A long time ago in a galaxy far, far away (just kidding, it was right here on Earth), two-stroke engines ruled the ...

Kawasaki hasn't made a two-stroke bike larger than 250cc since 2004, but that changes now.

The best Cummins diesel engines are the result of decades of innovation, which all began with founder Clessie Cummins. They also have a history of racing at the Indianapolis 500. In 1934, Cummins ...

Unless you're really into dirt bikes, you probably haven't touched a two-stroke engine in decades — if you ever have. These mechanically simple motors combine the four strokes we all know and love ...

Right-side view of a Detroit Diesel 6-71 engine in marine configuration - Nikonysta/Shutterstock The modern diesel engine arguably advanced the might of the American logistics industry more than any ...

The defining characteristic of a two-stroke engine is to fire (combust) every time the piston is at top dead center. This makes them highly power dense, but also notoriously makes two-stroke engines ...

The frame had to be lengthened by three feet to fit the two-stroke diesel engine measuring 1,136 cubic inches.

Anyone who appreciates simplicity of design and efficiency of operation has to like small two-stroke-cycle engines that power construction tools such as cut-off saws, rammers and breakers. Producing ...

The 6.4- and 6.7-liter Power Stroke turbo diesel engines are two different versions of the Ford Power Stroke engine, used to power Ford's big Super Duty trucks at various points. Both engines use high ...

Of the three United States automakers that offer diesel-powered heavy-duty pickup trucks, only two of those diesel engines are V8s. Those V8 diesel engines are the 6.6 Duramax found in offerings from ...