Four-stroke engine - Wikipedia
A four-stroke (also four-cycle) engine is an internal combustion (IC) engine in which the piston completes four separate strokes while turning the crankshaft. A stroke refers to the full travel of the piston along the cylinder, in either direction.
4-Stroke Engines: What Are They and How Do They Work?
2023年4月14日 · The 4-stroke engine cycle includes the intake stroke (air/fuel mixture enters the engine), compression stroke (mixture is compressed), power stroke (mixture is ignited to propel the vehicle) and exhaust stroke (expels spent gases), with the intake and exhaust valves being controlled by camshafts.
Everything You Need to Know About Four-Stroke Motorcycle Engines
2024年11月15日 · What Is a Four-Stroke Engine? A four-stroke engine is a type of internal combustion engine that completes four distinct stages, or “strokes,” during a single operating cycle. These stages are intake, compression, power (combustion), and exhaust.
Understanding How a 4-Stroke Motorcycle Engine Works ...
2024年7月28日 · Uncover the mystery of how a 4-stroke motorcycle engine operates in this insightful article. From the intake to exhaust, explore the intricate phases and crucial components like the spark plug and camshaft.
Two-stroke versus four-stroke engines: How they work, pros ...
2021年5月5日 · To keep things simple for this article, we will stick to modern, single-cylinder dirt bike engines in two-stroke and four-stroke formats. Let's take a look at the similarities and differences.
The Four-Stroke Explained - Cycle World
2023年12月8日 · The four-stroke spark-ignition internal combustion engine, invented by Nikolaus Otto in 1876, was a big step forward for transportation because it was small, light in weight, and could...
2stroke / 4stroke - Motorcycle | Yamaha Motor Co., Ltd.
What’s the difference between 2-stroke and 4-stroke engines? Fuel for a 2-stroke engine has a small amount of oil mixed into it. It is called a “2-stroke” because just one up and down movement of the piston—the 2 strokes—performs the full cycle of …