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A four stroke engine requires the piston to travel up and down a total of 4 times to complete one full combustion process. The 4 strokes are: intake, compression, power (ignition), exhaust. And the intake and exhaust valves are timed accordingly.
A two stroke engine fires ever other stroke and uses ports for intake and exhaust (no valve train)
What else can I help you with?
Is a pw 50 a 2 stroke or a 4stroke?
2stroke
What year did they change polaris scrambler from 2stroke to 4stroke?
1994
How can engine be identified as 2 stroke or 4 stroke just looking at it?
2stroke has fat pipe and the 4stroke has a skinny pipe.
How do you tell if your pocket bike is a 4 stroke or 2 stroke?
oil+gas=2stroke gas only in the tank=4stroke
How fast will a 1986 Honda 250?
if it is a 2stroke it can go like 90+ depending on the condition of the bike. if its a 4stroke it can go about 80 on the road
Principal of four stroke petrol engine?
4stroke engine are stronger than 2stroke cause you get to break down on a 2 stroke
Do you run strait gas in a dirt bike?
if you have a 4stroke dirt bike you run straight gas ,if you have a 2stroke dirt bike you run mixed gas
Whats the Difference in 4stroke and 4cycle oil?
The terms 4 stroke, and 4 cycle, have the same meaning. There is no difference in the oil.
What are the major difference between 4stroke engine and 2stroke engine?
A four stroke engine has 4 strokes per cycle, whereas the two stroke engine has only 2 strokes per cycle. Since the 2 stroke engine has twice as many power strokes as a 4 stroke engine at a given rpm, the 2 stroke is capable of making nearly twice the power of a 4 stroke for a given displacement.
What is the difference between two stroke and four stroke engines in two wheelers?
The difference between 2stroke engines and 4-stroke engines are pretty much the same regardless of where the engine is used. To read about it, check out the related question below.
Can you put regular gasoline in your Yamaha ttr-90 dirt bike?
yes if it is 4stroke witch i think ttr 90 is! use good type of gas, you have separate place for engine oil, but with 2stroke engines you have to mix gas and oil together.
Will a 2004 yz 250 engine fit in a 2004 yz 250f frame?
YES! The only difference between a 250 and a 250f is that one is 2stroke and the other is a four stroke.
