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Both types go through four phases: intake, compression, expansion and exhaust.
A 4-stroke needs two turns of the crankshaft to do this while a 2-stroke can do it in one turn of the crank.
And since it's only the expansion phase that makes power, being able to make power at every turn as opposed to every 2nd turn means a 2-stroke can make more power for the same size engine, or the same amount of power from a smaller engine.
The cost of this is that they tend to pollute more, and have less torque at low rpms.
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Which is faster a two stroke dirt bike or a four stroke dirt bike?
Two strokes can accelerate faster but it depends on engine size
How does a two stroke engine combine the four strokes of a typical internal combustion engine?
A two stroke engine combines the four strokes of a typical internal combustion engine into two strokes instead of four.
Is a rm 250 faster than a kx 250?
if they are both two strokes should be pretty much the same.
Which is better a two stroke or four stroke engine for a dirt bike?
i would say i two stroke because two strokes are much easier to fix, there faster and better.
Why you prefer four stroke engine over two stroke engine?
Four stroke engines are quieter than two strokes, but have less power.
Is a two stroke better than a four stroke?
I like The four stroke because of the torque. but the two stroke is a bit quicker on the jump, the both fast but the four strokes and take you more place's. The two strokes are very jumpy so they like two slide out goin up hills
Does a two stroke fire every time?
Every two strokes, thus the name. A four stroke takes fires every four strokes.
Does the YZ on a Yamaha mean its a two or four stroke?
two..four strokes are yzf's
How many gears does a 2004 yzf250 have?
it has five(5), because it's a four stroke. two(2) strokes have six because they are jumpier and accelerate faster.
What is the difference in combustion in a 2 stroke engine and a 4 stroke engine?
2 stroke means it takes two strokes for a power stroke and 4 sroke takes four strokes for power stroke so in otherwise 2 strokes are way faster and more torqey
Is a 2000 Honda xr 80 a 2 stroke or four stroke?
all xr hondas are four strokes. all cr hondas are two strokes all Honda crf's are four strokes.
4 stroke or 2 stroke What is the difference?
There are many differences. One, for instance, is the pipe is bigger on a two stroke, but that's only looks. Two strokes also have more of a high-pitched noise, where as four strokes have more of a low pitched noise. But power-wise, there is a big debate between which is faster. You see, two strokes are fast for taking off, where as four strokes are good for racing and for top speed. The four stroke got its name because it has 4 cycles to make the engine run, and 2 stroke only have 2 cycles.
