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Thread: Educate me on the 200X?

  1. #1
    Join Date
    Apr 2003
    --
    132

    Educate me on the 200X?

    I don't know much about this motor. I'm looking into doing a "Greenhuman 200X/ATC70 conversion." I have a suspension frame that's begging for more hp.
    what is the difference between the 200X and 200S?
    what model years am I looking for?
    Is one year better than another?
    Are these clutch motors?
    How many speed tranny do they have?

    I will be buying a repair manual. I just thought I'd ask these questions first. Thanks for any input anyone has.
    '73 ATC 70 fully restored
    '82 ATC 70 88cc kit, full suspension PK Racing frame
    '83 ATC 70 125m motor, electric start, lots o chrome,ipod system
    http://www.glamisdunes.com/invision/...p?showforum=50

  2. #2
    Join Date
    Jun 2004
    Location
    geraldton, west australia
    --
    1,068
    yes manual clutched motors
    and 5 gears.
    the difference between X and S is that the X is kick start, has a better performance cam and the whole engine is more performance orientated.
    LIVELOVERIDEDIE


    1981 Honda Atc 124R-Racer project
    2005 Giant STP 1- rollin' on 26's

  3. #3
    HaggLE is offline At The Back Of The Pack Arm chair racerAt the back of the pack
    Join Date
    Jan 2005
    Location
    Newcastle, Australia
    --
    330
    Many parts are interchangable between them but a 200s motor would be good because it is pull start. Kick start on a 70 is hard work, there isnt much room.

    Attached is a pic of the motors that he is importing to use now. Very similar to a 200x motor except its electric start, bore is 69mm standard and the stroke is shorter. The cam has roller bearings and the whole thing is brand new.
    Attached Thumbnails Attached Thumbnails project.jpg  

  4. #4
    Join Date
    Jan 2005
    Location
    Slatington PA
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    4,372
    Here are the specs.


    --------------------------------------------------------------------------------

    ATC200S
    Frame number JH3TB0539EK300001~
    Engine number TB05E-2300001~
    Engine type 4 stroke, Air cooled
    Displacement 192 cc
    Bore x Stroke 65 x 57.8 mm
    Compression ratio 7.8 to 1
    Compression 142 - 170 psi
    Transmission speeds 5 speed
    Clutch Type Automatic
    Oil Capacity 1.43 Qt
    Carburetion 22 mm Keihin
    Starting system Recoil Starter

    ATC200X
    Frame number JH3TB0527EC300001~
    Engine number TB05E-6100001~
    Engine type 4 stroke, Air cooled
    Displacement 192cc
    Bore x Stroke 65 x 57.8 mm
    Compression ratio 9.6 to 1
    Compression 142 - 170 psi
    Transmission speeds 5 speed ........ 86 went to 6 spd
    Clutch Type Manual
    Oil Capacity 1.3 Qt
    Carburetion 24 mm Keihin
    Starting system Kick Starter
    Last edited by Huffa; 02-16-2005 at 07:44 AM.

  5. #5
    Join Date
    Apr 2003
    --
    132
    Greenhuman uses a 200X motor for the 70 correct? So that would be with a kick starter.

    does the kickstarter kick forward or backwards?
    83-85 200X 5spd
    85-87 200x 6spd?
    is there any other difference between the years?
    which year does Greenhuman prefer to use?
    does anyone have any pics of the 200X installed in a 70?
    any pics would be great
    '73 ATC 70 fully restored
    '82 ATC 70 88cc kit, full suspension PK Racing frame
    '83 ATC 70 125m motor, electric start, lots o chrome,ipod system
    http://www.glamisdunes.com/invision/...p?showforum=50

  6. #6
    Join Date
    Feb 2005
    Location
    Federal Way, Wa
    --
    8
    Where can we get more info on that motor?

    And the 200x kicks forward. The motors were changed in 86 (they mount differently) and they have more HP.

  7. #7
    Join Date
    Nov 2003
    Location
    Oswego, IL
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    1,858
    how much are the motors in the pics?
    1974 atc 90 project underway cuzzztom

    1985 atc 110 for sale

    84 200s all original got off the first and only owner
    new carb
    maybe putting my 200x cam in it but not sure

    old trike
    1985 200x
    12.1 piston
    oil cooler kit
    white bors cam
    super trapp exhaust
    uni clamp on air filter
    350x front end

  8. #8
    Join Date
    Dec 2004
    Location
    Central CA
    --
    459
    Where did those motors come from??
    86 250R
    86 250R
    86 250R
    85 250R
    82 250R
    86 350X
    81 185X
    85 250SX
    87 200X


    Sitting on my can can, doing the pan-o-ram..

  9. #9
    Join Date
    Jun 2004
    Location
    Brazil, Indiana
    --
    1,389
    i wanna know what "greenhuman" is..sounds like someone on here..also what motors were those in the pic?? plz tell me they arent 200x motors..they look small..and whats up with that one leaning over?
    trikes owned:
    85' 200m - sold
    84' 200x - sold
    83' 185s - sold
    82' 185s - sold
    85' 350x !!! - selling

  10. #10
    84250r is offline Clean enough to eat a potpie off of Teaching quads a lesson
    Join Date
    Oct 2002
    Location
    Michigan
    --
    2,718
    I've seen a 70 with a 200x motor in it. It looked awesome but it would wheelie over backwards,lol. The kickstart didn't seem to be a problem.
    R.I.P Raven

    2006 Yamaha Banshee Special Edition
    1996 Honda CBR 600 F3

  11. #11
    Join Date
    Apr 2003
    --
    132
    I figured that if the kickstart kicks forward that it wouldn't be a problem with the rear fender. The 200X motor will be going into this 70 frame . I have a longer wheel base and supespension so that should help keep the wheelies under control
    '73 ATC 70 fully restored
    '82 ATC 70 88cc kit, full suspension PK Racing frame
    '83 ATC 70 125m motor, electric start, lots o chrome,ipod system
    http://www.glamisdunes.com/invision/...p?showforum=50

  12. #12
    Join Date
    Jun 2004
    Location
    geraldton, west australia
    --
    1,068
    greenhuman is user on this board and he hails from the land down under. that 200x engine "tipped over" is a horizontal version of the 200x. the kickstart of the 200x wouldnt be a problem as they kick forward.
    LIVELOVERIDEDIE


    1981 Honda Atc 124R-Racer project
    2005 Giant STP 1- rollin' on 26's

  13. #13
    Join Date
    Aug 2002
    Location
    Jamul, CA. near San Diego
    --
    1,605
    nacnac,

    last time i checked with you there where 37 members of your posse.....any new members?

    ............seen a suspension 70 come up in the trader couple weeks ago...prices are hovering around $1300/$1500 for a beater.......

    just wondering if one of your posse snatched it up, cause when I called on it at about 9am fri morn IT WAS GONE!!!!!

    anyway im locked and loaded for the next one to surface....hopefully i can be #38 in the pack
    Gordons Well...#1 in this World, Home of "The Nick", "The Mutt", "The Husq" and "the Alky"

  14. #14
    Join Date
    Apr 2003
    --
    132
    sorry you can't be #38, you can be #43
    We had a 70 Regatta last weekend at Glamis. You should have see all of us ride up to and inside the fence at Boardmanville. Jeanie (owner BMV) let all of us park along the fence. I will post pics in an other thread soon.
    '73 ATC 70 fully restored
    '82 ATC 70 88cc kit, full suspension PK Racing frame
    '83 ATC 70 125m motor, electric start, lots o chrome,ipod system
    http://www.glamisdunes.com/invision/...p?showforum=50

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