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Thread: 85 200x top end on a 185 motor

  1. #1
    Join Date
    Jan 2003
    Location
    Ripley Tn
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    1,363

    85 200x top end on a 185 motor

    Hey i have a whole 85 200x tha ti tore town but im putting a 185 motor and the 185 motor has got a bad top end pistom fired and the 200x motor is good and runs like a champ can it bolt. Can it work put a 85 200x top end on a old 185 motor
    85 Atc 70
    86 Atc 125m
    85 atc 350x
    86 atc 250r
    86 Atc 250r TT build
    85 Big Red bought brand NEW
    2012 Honda Goldwing Gl1800

  2. #2
    Join Date
    Jan 2003
    Location
    Ripley Tn
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    1,363
    no body this cant be done
    85 Atc 70
    86 Atc 125m
    85 atc 350x
    86 atc 250r
    86 Atc 250r TT build
    85 Big Red bought brand NEW
    2012 Honda Goldwing Gl1800

  3. #3
    Join Date
    May 2003
    Location
    Shediac, New Brunswick
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    1,126
    yeah the 200x topend will bolt on the 185 bottom... but if the 200x is fine why not just use it? ....
    '04 450r, hr +3 stroker, s2 hotcam
    '84 Honda 200x
    slow restro


    Previous rides 82 Yamaha yt175, 85 Yamaha 225DR, 84 Honda 200M, Ski-doo Olympic 340

  4. #4
    yeah the 200x topend will bolt on the 185 bottom... but if the 200x is fine why not just use it? .
    yes,I was going to say the same thing.
    84 Honda Big Red w/plow
    85 Honda 200X
    88 Honda CR 125
    86 350x(in process of building)
    :trikesown :Beerchug :trikesown

  5. #5
    jmsmilin's Avatar
    jmsmilin is offline At The Back Of The Pack Arm chair racerAt the back of the pack
    Join Date
    Oct 2003
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    396
    a 200x motor will fit a 185?
    RIDES:

    Current OG rides:
    ~1993 300EX 1 owner (just sold)
    ~1993 TRX90 matches the 300
    ~1996 Z50R the FIDDY
    ~1992 YSR50 (sold)

    ~ATC 70 (w/suspension), ATC 185S (w/susp), 250SX, 350X, etc, etc, ALL SOLD!

    WTB: small machines - ATC70s w/ suspension, TRX90, z50, CRF/XR70/110, CT70, CT90, SL70 etc.

    Favorite riding spots:
    1. Twin Buttes, San Angelo TX
    2. Turkey Bay, LBL KY & Linton Beach in Bumpus Mills
    3. Sunnyside ATV, Wrens GA

  6. #6
    Join Date
    Aug 2004
    Location
    Ab Canada
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    4,368
    yea a 200 motor will bolt into a 185 frame..and a xmotor is the same size as a 200 right? the only diffrense berween the 185 and 200s is the torqq and the frame of the 185 is like a inch shorter
    1985 Tri-Z-

    Quote Originally Posted by mywifeknowseverything
    Just hit the Freakin Gas and Hold on!!!!!

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