How Two-stroke Engines Work
Filed under: used motor homes

A car engine uses a four-stroke cycle — how can two strokes accomplish the same tasks? Learn all about the two-stroke engine, where it’s used and how it compares to a four-stroke.

Duration : 0:2:14


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admin @ 10:35 pm

25 Comments for 'How Two-stroke Engines Work'

  1.  
    IANBUFFTON
    July 26, 2009 | 10:36 pm
     

    rc nitro engines …
    rc nitro engines dont tho, because the oil is in the fuel. he might not hav wanted to confuse people

  2.  
    dirtrider1526
    July 26, 2009 | 10:36 pm
     

    yeh 2 strokes are a …
    yeh 2 strokes are a lot harder to ride and keep you in shape more than a 4 stroke. but this video just kinda seems like they are saying 4 strokes suck. which they dont. i see what your sayin

  3.  
    phdecora
    July 26, 2009 | 10:36 pm
     

    oh, and it spews …
    oh, and it spews burned oil fumes into the atmosphere and your lungs, resulting in massively more air pollution than a 4 stroke

  4.  
    Yippykaiyay
    July 26, 2009 | 10:36 pm
     

    how does haveing 2 …
    how does haveing 2 strokes affect the power?

  5.  
    SoulSlayer21
    July 26, 2009 | 10:36 pm
     

    dude u look like …
    dude u look like the little guy from TLC channle!

  6.  
    Cryptoz4
    July 26, 2009 | 10:36 pm
     

    2 strokes are a lot …
    2 strokes are a lot more agressive, 4 strokes are more reliable .. but in fact 2 strokes are about twice as strong as 4 strokes (125cc=250cc)

  7.  
    FordsRule351
    July 26, 2009 | 10:36 pm
     

    you forgot to …
    you forgot to mention that two strokes use a gas and oil mix to lubrecate the moving parts and a 4 stroke has a oil pan and when the piston is at its lowest it point it creates a vaccum and when the piston goes up it sucks oil up to lubrecate the connecting rod and all the other moving parts in the motor.

  8.  
    dirtrider1526
    July 26, 2009 | 10:36 pm
     

    im talking about …
    im talking about dirtbikes, theres 4 strokes and 2 strokes. 4 strokes are very powerful..especially 450s. 2 strokes are too, but take alot more energy and skill to ride..keeps you in shaoe better

  9.  
    Cryptoz4
    July 26, 2009 | 10:36 pm
     

    you did, you said …
    you did, you said 450cc ;)

  10.  
    saksikasi
    July 26, 2009 | 10:36 pm
     

    Uhh, thats a nice …
    Uhh, thats a nice guide! Some things I knew, some I did not. Looks like its time to subscribe! :P

  11.  
    dirtrider1526
    July 26, 2009 | 10:36 pm
     

    i never said …
    i never said anything about engine size.

  12.  
    Cryptoz4
    July 26, 2009 | 10:36 pm
     

    you are so dumb, …
    you are so dumb, engine size doesnt say anything about 2stroke/4stroke

  13.  
    dirtrider1526
    July 26, 2009 | 10:36 pm
     

    has any of these …
    has any of these people seen 450s.?????? they have some serious power and ther 4 strokes

  14.  
    jeroen3nl
    July 26, 2009 | 10:36 pm
     

    no it doesnt
    no it doesnt

  15.  
    Xomissar
    July 26, 2009 | 10:36 pm
     

    Wankel rules!! :)
    Wankel rules!! :)

  16.  
    alko053
    July 26, 2009 | 10:36 pm
     

    lol
    lol

  17.  
    kingjames81895
    July 26, 2009 | 10:36 pm
     

    i like 4 strokes …
    i like 4 strokes better

  18.  
    motorbla
    July 26, 2009 | 10:36 pm
     

    BKsMassive, the …
    BKsMassive, the petrol don’t come out because the exhaust is closing very fast and, in first period of the compression time, the backpressure formed in the exhaust system help to keep the fresh mixture inside the cylinder…that’s why at 2 strokes engines, the exhaust system is very important

  19.  
    AMMW77
    July 26, 2009 | 10:36 pm
     

    some of the fastest …
    some of the fastest atvs and things in the world run on 2 stroke engines there quick.

  20.  
    djmfaz
    July 26, 2009 | 10:36 pm
     

    it does
    it does

  21.  
    jbw5485
    July 26, 2009 | 10:36 pm
     

    haha yeah nice vid …
    haha yeah nice vid but that engine would vibrate itself apart.

  22.  
    vontsec
    July 26, 2009 | 10:36 pm
     

    if you mean a go …
    if you mean a go kart… then no use a 4 stroke they are more powerful and easier to maintain

  23.  
    BKsMassive
    July 26, 2009 | 10:36 pm
     

    ok :) thanks for …
    ok :) thanks for that.

    so it i wanted to make a go art i would use a 2 stroke?

    but if i wanted to make a car i would use 4 stroke?

  24.  
    xSQU1RR3Lx
    July 26, 2009 | 10:36 pm
     

    cus they are more …
    cus they are more fuel efficient and last longer i guess… lol.

  25.  
    IlikedYourVid
    July 26, 2009 | 10:36 pm
     

    it does, thats why …
    it does, thats why two strokes use more gas then four strokes.
    they let out alot of gas/oil that hasnt been used.

    At least how I’ve understood this whole two vs four stroke thing :S

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