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Thread: atc90 seat pan and is atc110 interchangeable

  1. #1
    Join Date
    Apr 2008
    Location
    Biloxi, MS
    --
    149

    atc90 seat pan and is atc110 interchangeable

    ok, first off i need a seat pan for a 1973 atc90. i'm pretty sure the atc110's won't work so can somebody please provide pictures of the seat pan that would be correct? i will likely have to fabricate one out of aluminum or something.

    next, i know that a lot of parts interchange between the atc90 and the atc110 with the stickier area being the plastic/seat. will the early atc110 plastic fit my 1977 atc90? will the seat pans be the same between the early 110's and later 90's?

  2. #2
    Join Date
    Dec 2004
    Location
    Baltimore, MD
    --
    6,088
    The later atc90s and the earlier atc110 will switch back and forth no problem. Basically the only seat that will work on the early atc90 is the seat and pan up to 1974. 75 and later seats and pans won't work.

  3. #3
    Join Date
    Sep 2003
    Location
    Elizabethtown PA
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    1,581
    the 74 and older atc 90's do not have a metal seat pan. The foan just sits against the fenders.
    JASON LISKEY

    1985 atc 250r ---- finsh line axle,.fmf exhaust and rictor privateer silencer, prm grab bar.
    2008 KTM 525xc quad ----- HMF exhaust, HRE chromoly stem,
    86 trx 250r --- with after market chromoly frame and everything else done to it
    01 400ex --- with 86 trx 250r motor
    87 250x + 93 300ex both 350x powered
    2 = 86 atc 350x's
    86 atc 250r
    83 atc 185s --- from retired guy not ridden since 87
    Bandito framed 110 with 85 motor and yellow us90 fenders + tank

  4. #4
    Join Date
    Apr 2008
    Location
    Biloxi, MS
    --
    149
    Quote Originally Posted by jason85atc250r View Post
    the 74 and older atc 90's do not have a metal seat pan. The foan just sits against the fenders.
    then how does the foam attach to the fender? i know it has the metal plate on each side but how does it attach in the rear? with another metal plate? is the foam the same through all the atc90 years or is the 70-74 foam different as well? anybody got pictures that they can show how it attaches?
    Last edited by n10sivern; 12-03-2008 at 03:06 AM.

  5. #5
    Join Date
    Dec 2004
    Location
    Baltimore, MD
    --
    6,088
    The first generation us90, 69-74 all use the same seat. 75 and later atc90/110 use almost the same seat the big difference being that those early seats had 2 small flaps that bolted onto the sides of the fenders towards the front to hold the seat front on, I think that was 75-77. I'm pretty sure the 78-82 seats we just bolt on and no flaps to attach the seats in the front. I believe the 83 and later seats were the ones that wrapped around the tank, but not 100% sure about the 83.

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