What is the differents between a 2 stroke engine and a 4 stroke enigine. And which one is better.

 

Well for starters....The two stroke engine will mix gas and oil together and burn in the cylinder...The four-stroke is like your car/truck the oil changed and remains in the motor/pan. Two strokes have more zap or punch (they may smell a bit ) smoke a little .... newer ones alot less though. This should help a little some one else can jump in now with the tech. terms for you. Caper....

 

There are many differences, too many to explain, go to howstuffworks.com you will find everything you need to know.

 

A 2 stroke does not have valves. Smaller and lighter. It is a piston port motor unlike a 4 stroke has valves with cams, intake and exhaust. 4 strokes are much heavier. A 2 stoke is much easier to rebuild, has much more power and is more responsive. A 4 stroke is expensive to rebuild and it takes almost 2 times the cc's from a 4 stroke to get the same power out of a 2 stroke at half the cc's. 2 stroke is less maintenance but in some cases will need to be rebuilt while the 4 stroke is more maintenance but may never need to be rebuilt. 4 stokes require oil changes and valve adjustments. 2 strokes in most cases just need rings to freshin it up and its just gas/oil mix and go.

2 strokes are being fazed out because of emissions standards and 4 strokes are alot better now days. I guess depending on what you are going to use the quad will determine what you want in a 2 stroke or 4 stroke. Like wille said go to that web site and you will learn a whole lot of stuff.

 

when it comes to 4 stroke or 2 stroke, 4 stroke has power and torque right there. 2 strokes u have to wait till u hit the power ban.... and u dont have to rebuild them as much as................. real men ride four strokes... jake..

 

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did I read that wrong, or did you type it wrong?? 2 strokes don't need to be rebuilt as often??


far from it...

 

no kidding. try a KX500.

 

my bad i typed it wrong i ment to say u dont have to rebuild 4 STROKES that offen. i dont no what the hell i was typein. my bad.. i have a friend thats got a banshee and one thats got a raptor 660 i and have spent plenty of time on both of them and i just like the 4 stroke a lot better i got lots of power and torque right there when i need it.. i cant tell u how meny times i have been in a wheelie and hit the power ban and fliped over.. thats just my view...

 

I think the other main difference in a 2-stroke the majority of the oil mixed with the fuel is not burnt during combustion so that the cylinder has lubrication.

A 4-stroke has an oil resivour and an oil pump like a car to lubricate things so no oil is needed inthe comustion chamber. SO it burns cleaner.

Now a days, (power aside) cleaner is better. As the unburned oil in a 2-stroke is exhausted into the air/water.

As to which type is better? Depends upon how you will be using it? If I was looking for an engine to do a bunch of towing and low speed grunt work with I would have so say 4-stoke. If I was looking for an engine for quick throttle response for short bursts of speed for playing around I would say a 2-stroke.

So I not think you can answer which is better until you add...Doing what?

SJ