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Thread: is there difference between 85 and 86 R frames?

  1. #1
    Join Date
    May 2009
    Location
    Fresno OH
    --
    146

    is there difference between 85 and 86 R frames?

    just wondering if there is any difference in the two frames between 1985 and 86 250r. i have an 86 that there is a lot of little things bad on it and thinking about just re doing a good 85 frame i have.
    I do vinyl cutting on the side...lettering, decals, and window stickers or whatever you may want to put them on....ill cut anything dont be affriad to ask
    currently have: 85 atc250sx(200xfront conv)
    85 atc70 flat tracker x2
    86 atc250R
    85 atc250r
    79-85 atc110

  2. #2
    Join Date
    Jul 2005
    Location
    Manheim, PA
    --
    5,817
    Not from what i know.

  3. #3
    Mosh is offline I'm the one with all the 2 stroke around here! The day begins with 3WW
    Join Date
    Jun 2005
    Location
    na
    --
    5,702
    Yes.
    The rake is different. The 85 was raked back more than the 86.

    The front motor mounts have to be used for the year of frame you use. The tailight had a bolt on bracket for the 86, and the 85 had pegs welded to the frame for the taillight.
    The rest of the differences were not really performance related, and all other parts will swap over.
    Last edited by Mosh; 05-19-2010 at 02:02 PM.

  4. #4
    Join Date
    Mar 2008
    Location
    South Georgia
    --
    81
    on the 85 frame the shock resi is part of the frame and on the 86 it bolts to the frame thats the only other thing that comes to mind other then what mosh already posted.
    1987 200X (wifes ride)
    1986 250R "Firestorm" link to build http://www.3wheeler.org/vb/showthread.php?t=34442
    (2) 1985 250r's
    1985 Tri Z
    1985 Big Red
    1985 ATC 70 "Copperhead Road" currently being built link to build http://3wheelerworldforums.com/showthread.php?t=101128
    (4) 1984 ATC70's
    1984 250R
    1985 125M (near mint)
    1983 200

  5. #5
    Join Date
    Sep 2006
    Location
    Northwest Indiana
    --
    1,893
    86 frames had an extra gusset plate added that wraps around and under the steering stem. There are LOTS of small evolutionary changes made to them. When we built my buddies 86 344R a few years back, we spent lots of time comparing them side by side, and were amazed at the seemingly small, yet apparently worthwhile changes between the two......Not saying one is any better than the other though.

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