Every new internal combustion car and truck sold in America today is equipped with a four-stroke engine, as are the vast ...

Every internal combustion engine needs oil for lubrication, but two-stroke engines take their oil regularly along with ...

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 Alpha Otto Rev Force features forced induction, rotary exhaust valves and can run on a variety of different fuels.

The Lycoming O-320 engine, a four-cylinder, horizontally opposed, air-cooled engine, is so reliable that they are still in ...

The two-stroke Suzuki RG500 brought the (at that time) insane performance from the track to the streets–it's a (literal) race bike with a license plate.

A modified 600mm engine, the UEC60LSII, has an extended piston stroke and a raised running speed to achieve a 12.5 percent rise in cylinder output to 2,799 hp at 105 rpm, without impaired fuel ...

One thing to keep in mind is that you’ll need to use professional two-stroke oil ... ported piston windows, and uprated CVT transmission unit also contribute to the engine’s overall performance.

and powered other aircraft such as the Taylor Cub E-2 and Taylorcraft Model A. An advantage of horizontally-opposed engines is better forward visibility than radial or V-type engines. Today opposed ...

This homage to the original R 80 G/S is more than just a looker—it works on- and off-pavement. It's a real G/S.

Off Road Competition is in Yamaha's DNA – in all its forms, on all levels. Yamaha's achievements at the highest level of racing from motocross to rally are well documented, but there has also always ...