what is the difference between 2 cycle and 2 stroke?
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Compression and power occurs during the upward and downward top stroke, while intake and exhaust happen at bottom dead center strokes. This is two cycles. ... A stroke in an engine is the movement of the piston either up or down. A 2 stroke engine has a power stroke followed by a fuel air compression stroke.
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A two-stroke engine performs all the same steps, but in just two piston strokes. The simplest two-stroke engines do this by using the crankcase and the underside of the moving piston as a fresh charge pump. ... As the piston continues down the bore, it begins to expose an exhaust port in the cylinder wall.
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Two strokes have more snap, and make wheelies easy. Four strokes have less snap, but more torque and more controllable powerbands, making riding a wheelie at or near the balance point easier.
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A four-stroke engine separates the intake, compression, power and exhaust strokes with the use of poppet valves, but it only makes one power stroke every 720 degrees of rotation of the crankshaft. A two-stroke engine makes power every 360 degrees of rotation.
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Is Evinrude E-TEC a 2-Stroke or a 4-Stroke technology? ... The technology is considered 2-Stroke, Direct Injection. Evinrude E-TEC in fact, has cleaner exhaust emissions than a 4-stroke, it produces 5 to 10 times less Carbon Monoxide (CO) while idling or trolling.
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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 intake, compression, combustion and exhaust.
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As a rule of thumb, 4 strokes are a little more than half the power of a 2 stroke, so if you are around 200 pounds, you will want a 4 stroke bike that is 400cc. You want a bike with enough power to support you across trails and up hills without being too difficult to control.
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A four-stroke cycle engine completes five Strokes in one operating cycle, including intake, compression, ignition, power, and exhaust Strokes. The intake event is when the air-fuel mixture is introduced to fill the combustion chamber.
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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.
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Is a 2-stroke engine getting banned? ASFAIK 2 strokes are not banned however the manufacturers can't design a two stroke which can meet today's stringent pollution norms.
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Out of all of the two-strokes, the KTM 300 EXC is considered one of the most reliable two-strokes. ... It's a little pricier than most dirt bikes, especially purchasing newer models, but because of its title as a two-stroke, it is easier to fix and maintain.
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A 2 stroke engine is one that completes the power cycle in just 2 strokes. The cycle begins with the piston at bottom dead center. There, the rotating crankshaft pushes a mixture of air and fuel into the cylinder. As the piston moves upward for the first half of the stroke, the mixture is compressed.
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Because 2-stroke engines are designed to run at a higher RPM, they also tend to wear out faster; a 4-stroke engine is generally more durable. That being said, 2-stroke engines are more powerful. Two-stroke engines are a much simpler design, making them easier to fix. They do not have valves, but rather ports.
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The two stroke diesel engine is widely used as the the four stroke as it has more output power. however, the two stroke engine has high losses whether heat lose or unburnt gases. So, in comparison with four stroke which engine has the best performance.
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Two-stroke engine lubrication These days, you'll find two-stroke engines in all kinds of equipment, such as chainsaws, grass trimmers and hedge trimmers, largely because two-stroke engines have fewer moving parts, generate less heat and are in many ways more efficient for their size.
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- Two-stroke engines are lighter, and cost less to manufacture. - Two-stroke engines have the potential for about twice the power in the same size because there are twice as many power strokes per revolution. Disadvantages of 2 Stroke Engines: - Two-stroke engines don't live as long as four-stroke engines.
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A two-stroke (or two-cycle) engine is a type of internal combustion engine which completes a power cycle with two strokes (up and down movements) of the piston during only one crankshaft revolution.