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Thread: The "Greenhuman 200cc motor"

  1. #1
    Join Date
    Dec 2002
    Location
    salem, nh
    --
    1,339

    The "Greenhuman 200cc motor"

    wasn't he selling these awhile ago? i want to know the cost of one for an atc70. i've been looking at 88cc kits, or Lifan 125cc motors, but i'm curious to know of greenhuman's 200cc monster
    85 250SX New to me!!
    85 ATC 70 stock ~ TRADED
    85 ATC 70 with 138cc Lifan
    83 110 restored ~ sold
    85 110 restored ~ sold
    83 200x restored ~ sold

    02 400ex ~~~SOLD

    K&N filter
    K&N jet kit
    EHS Racing lid
    Removed choke 42 pilot DJ146 main
    HMF full exhaust
    AC skids
    Holeshot XCR rears
    14t front sprocket
    IMS Roll front bumper
    Graydon Proline nerfs

  2. #2
    Join Date
    Mar 2005
    Location
    Newcastle,Australia
    --
    47
    John aka Greenhuman has a long established ATV business down here in Oz. You could contact him via his website www.jmcracing.com.au
    Bretto

  3. #3
    Join Date
    May 2005
    Location
    Australia
    --
    1,047
    John has been building these for many years starting with original Honda motors and now with the chinese copy's , ive riden these little monsters many times and the power is amazing.If your looking for a bolt in powerhouse weapon look no further oh and dont forget your brown undies !!
    Here's a couple of pics,look at the power this litte bugger is putting out , this particular one is running the original Honda 200 donk.

    Aussie
    Attached Thumbnails Attached Thumbnails PIC 2W.jpg   Motor.jpg  
    Keeping 3 Wheelers Alive Downunder !

  4. #4
    Join Date
    Sep 2002
    Location
    Minnesota
    --
    451
    so is that just a 200x motor layed down? Looks cool as heck! Wish i had the confidence to attempt to build one of these horizontal motors.
    Last edited by BigReds Forever; 04-13-2007 at 02:23 PM. Reason: offended someone
    1985 Honda 250es "Big Red" 1984 Honda 200s (Sold)
    1984 Honda 125m 1986 Honda 200x (new project)
    2003 Raptor 660 1978 Suzuki GS1000


  5. #5
    Join Date
    Dec 2004
    Location
    Baltimore, MD
    --
    6,088
    Those cases are not just whacked apart and rewelded. He is very careful and machines the cases so he can change the location of the head and still have all the proper oil passages and then he makes a machined cover for where the head originally mounted. The engine he sold on ebay was an aftermarket copy of an electric start 200 engine. He also does work on the original 200x cases which means you will have the kickstart and no battery issues. He put alot of thought into the re-engineering of the engine to do this and still have it run reliably and also be able to run a stroker crank and big bore kit if you want. There is alot of other work but all the little things he does would take a long time to explain. The only cut and rewelded engine a person is putting an atc70 is a highly modified 250r. And again, it isn't just hacked apart. The amount of work that goes into either one of these engines is staggering. Please be kinder in your description of how someone does their work. I believe the man to pretty much to be an artist, in my opinion anyway and would like to have and can fully appreciate one of these 200x engines and the amount of work he puts into them. A real labor of love if you ask me.

  6. #6
    Join Date
    Sep 2002
    Location
    Minnesota
    --
    451
    Im really sorry if anyone took my "hack apart and reweld" comment the wrong way. It didn't mean to make it sound like i didn't have respect fro their work. I understand that there is a heck of alot of work put into these motors, which is why i said, "i wish i had the confidence" to do this, as i don't feel that i could successfully pull it off. I know something would get messed up and the top end would probably be toast in minutes. Ill try to pick my words wiser next time i make a quick comment.
    1985 Honda 250es "Big Red" 1984 Honda 200s (Sold)
    1984 Honda 125m 1986 Honda 200x (new project)
    2003 Raptor 660 1978 Suzuki GS1000


  7. #7
    Join Date
    Apr 2007
    Location
    Arizona
    --
    13
    Brown shorts is right! Would be a fun ride, but with my knees stuck up under my chin it might be a challenge.
    Silence is Golden, Duct Tape is Silver.

  8. #8
    Join Date
    Dec 2004
    Location
    Baltimore, MD
    --
    6,088
    I'll apologize for being harsh then, Sorry. Keep your eye open on ebay. I'm not sure if his electric start engine sold or not. All I know is I really want a set of those 200x modified engine cases. I have a suspension 70 that one of those engines would really be a total E-ticket ride. I know he has a business and is a busy man. Good luck with your 200 engine search. If I see one of his engines listed on the bay again, I would be happy to email you about it if you were interested.

  9. #9
    Join Date
    May 2005
    Location
    Australia
    --
    1,047
    Email him at john@jmcracing.com.au i saw a couple of those engines on the workshop floor just the other day so they may be available for sale.
    Keeping 3 Wheelers Alive Downunder !

  10. #10
    KASEY's Avatar
    KASEY is offline weee weeee weeeeeeeeeee ! ! ! The day begins with 3WW
    Join Date
    Jan 2003
    Location
    ARIZONAS BIGGEST TROUBLEMAKER
    --
    4,239
    well now there are 200 cc kits out for the lifan motors!!!! so its getting easier to have a kickass atc 70

  11. #11
    Join Date
    Dec 2002
    Location
    salem, nh
    --
    1,339
    i'm all set with a used chinese motor for $1000. i understand all the thought and "engineering" that went into designing it. now it's a production line and it's not even on honda motors, but generic one's that everyone can get there hands on.
    85 250SX New to me!!
    85 ATC 70 stock ~ TRADED
    85 ATC 70 with 138cc Lifan
    83 110 restored ~ sold
    85 110 restored ~ sold
    83 200x restored ~ sold

    02 400ex ~~~SOLD

    K&N filter
    K&N jet kit
    EHS Racing lid
    Removed choke 42 pilot DJ146 main
    HMF full exhaust
    AC skids
    Holeshot XCR rears
    14t front sprocket
    IMS Roll front bumper
    Graydon Proline nerfs

  12. #12
    Join Date
    Dec 2002
    Location
    salem, nh
    --
    1,339
    haha, kasey i bit your style on the color scheme of my 70 btw. i'm trying a different color copper, but i dont like it so i'm going to buy the same one
    85 250SX New to me!!
    85 ATC 70 stock ~ TRADED
    85 ATC 70 with 138cc Lifan
    83 110 restored ~ sold
    85 110 restored ~ sold
    83 200x restored ~ sold

    02 400ex ~~~SOLD

    K&N filter
    K&N jet kit
    EHS Racing lid
    Removed choke 42 pilot DJ146 main
    HMF full exhaust
    AC skids
    Holeshot XCR rears
    14t front sprocket
    IMS Roll front bumper
    Graydon Proline nerfs

  13. #13
    Join Date
    Sep 2005
    Location
    Lipetsk, Russia
    --
    2,824
    That 200cc laydown motor is INSANE. I want one, as well as a decent suspensioned frame to stick it in....
    I'm back in the USSR...

  14. #14
    Join Date
    Dec 2004
    Location
    Baltimore, MD
    --
    6,088
    I know you can buy brand new suspension frames. A member on another website is now making them. And I guess greenhuman will be making more of those electric start laydown 200 engines. All you have to do now is open the wallet and dig deep.

  15. #15
    Join Date
    Apr 2004
    Location
    Brigham, Québec, Canada
    --
    1,528
    Do you have more info about these frame Vealmonkey.??
    On which website?

    1984 Yamaha YTM-225DX
    1985 Tri-Z 1985 Tecate 1984 Tri-Zinger and 1986 ATC250R projects
    Yamaha 3-wheeler owners club Join now!
    Official 3WW Yamaha 3-wheeler owners group
    Québec 3-wheeler riders group

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