The Yamaha Motor Company is known for making a wide range of products, from motorcycles to snowmobiles. It's also known for ...

[Huib Visser] built this glass cylinder four-stroke engine and he took great care to make it beautiful. We don’t need our projects to be polished and gleaming, but we have to admit that this the ...

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 ...

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

The phrase "Atkinson cycle" is as synonymous with hybrids as the words "Toyota" and "Prius". But what does that even mean and ...

Along with a TIG welder and mechanical ingenuity bordering on genius-level, all of which come to bear on this fridge compressor to four-stroke engine build. The video posted by [Let’s Learn ...

Ilmor says the next step is to build another working prototype with targets of 10% better fuel efficiency and 20% less engine weight compared to an equivalent four-stroke engine.

HD Hyundai Heavy Industries - Engine and Machinery has completed the factory acceptance test (FAT) of the world’s first H54DF ...

Porsche is pioneering a unique six-stroke engine design which is breaking boundaries for internal combustion technology. The automotive ...

Powered by a 150cc single cylinder four stroke engine, the scooter is capable of traveling on any road that is not a major highway and is fully street legal. The new owner estimates that he is ...