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Thread: will a 250R motor fit on a 250es frame

  1. #1
    Join Date
    Dec 2011
    Location
    southeast louisiana
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    15

    will a 250R motor fit on a 250es frame

    I don't have a 250r motor, but i do have a 250es frame. I am not sure about how similar the 250r frames are to the big red 250es frames, or if it's even possible to fit a 250r motor on the big red frame. Any feedback would be appreciated.

  2. #2
    Join Date
    Jan 2012
    Location
    Ferriday, La.
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    112
    Ok I am pretty sure it won't work. Its totally different motors the "es" is drive shaft for one thing lol

  3. #3
    briano is offline Got The Holeshot Arm chair racerJust too addicted
    Join Date
    May 2010
    Location
    Michigan UP
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    1,005
    Do you know what a 250r is? It is a chain drive 2 stroke. Will the motor fit in a Big Red frame, sure but that's all it's going to do since the big red is shaft drive.

  4. #4
    Join Date
    Dec 2011
    Location
    southeast louisiana
    --
    15
    I do know that a 250r is a chain drive two stroke. I should have asked this another way. I know a new swing arm and axel would be needed, but is it possible to convert a big red into a 250R.

  5. #5
    Join Date
    Feb 2010
    Location
    Blossvale NY
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    4,563
    Quote Originally Posted by countrybumpkin View Post
    I do know that a 250r is a chain drive two stroke. I should have asked this another way. I know a new swing arm and axel would be needed, but is it possible to convert a big red into a 250R.
    Not without EXTENSIVE modification.. In other words, you would be much farther ahead to get a 250r frame and build it up that way if you want a 250r. If you want to get the BR going, find a BR engine or even a 250sx engine....

    The 250r and BR couldn't be more different from each other. About the only thing they have in common is the fact they are both Honda trikes... and that's about it. Literally trying to get a square peg to fit in a round hole..

    It would be easier to bolt a Big Block Chevy into a street bike frame than to make a 250r engine work in a Big Red.
    Trikes:
    '85 ATC 350R
    '85 ATC 250R
    '86 ATC 350X
    '85 ATC 350X
    '84 ATC 200ES Big Red
    '84 ATC 125M
    '85 ATC 110
    '85 ATC 70/110

    If you have bought from me or sold to me, please leave me feedback here>>> http://www.3wheelerworld.com/showthr...+RIDE-RED+250r

  6. #6
    Join Date
    Sep 2010
    Location
    Gold Hill, OR
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    1,295
    Quote Originally Posted by countrybumpkin View Post
    I do know that a 250r is a chain drive two stroke. I should have asked this another way. I know a new swing arm and axel would be needed, but is it possible to convert a big red into a 250R.
    Can you turn a lawnmower into a Bugatti Veyron? If you answered yes, you might pull this off.


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