05 06 CRF 450R ENGINE SWAP
  • BORMZ
    Posts: 1
    Joined: Tue Jun 27, 2017 10:49 am

    05 06 CRF 450R ENGINE SWAP

    by BORMZ » Tue Jun 27, 2017 11:03 am

    I have an 05 CRF450r . Will an 06 engine swap out directly?
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    JimDirt
    Posts: 4406
    Joined: Sat Nov 25, 2006 6:31 pm

    Re: 05 06 CRF 450R ENGINE SWAP

    by JimDirt » Wed Jun 28, 2017 7:10 am

    Welcome to the site !! \:D/

    From what i understand , they changed the swingarm mount location on the engine in 06 to tilt the engine down to lower the center of gravity , in doing so , the header was changed and the engine mounts themselves , so i do not believe it would be a "direct" bolt in , basically , the internals of the engine are the same with the exception of a change in cam profile , but the cases have different mounting locations ....hopefully Ken chimes in to confirm .... with that said , i would think if you had the motor mounts and the header from the 06 it should then work , as i believe the frame mounts for the engine are in the same location between the 2 years and only removable engine mounts and engine cases and header were changed ...
    2020 CRF450R
    2006 CRF450X
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    Weiser , Idaho
  • treyAlejos
    Posts: 1
    Joined: Thu Sep 28, 2017 8:52 am

    Re: 05 06 CRF 450R ENGINE SWAP

    by treyAlejos » Thu Sep 28, 2017 9:16 am

    I have an 05 CRF450r . Will an 06 engine swap out directly?
    i have an 05 450r to im tryin to swap my engine what did you do?
  • mxsnow
    Posts: 9
    Joined: Thu Jul 11, 2013 3:16 pm

    Re: 05 06 CRF 450R ENGINE SWAP

    by mxsnow » Thu Sep 28, 2017 11:47 am

    I have a 2007 frame with a 2005 motor and an unknown carb,at least that's what the numbers tell me,the 05 motor fits fine.

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