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Thread: ATC TRX Swingarm?

  1. #1
    Join Date
    Jun 2004
    Location
    Oregon
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    ATC TRX Swingarm?

    Are the swingarms between the atc and trx the same lenght? And will they they all bolt up? no matter the years? Im looking at a 89 TRX swinger for 20 bucks..It needs paint but it looks good..The guy says the trx swingers are 4 inches longer then the atcs...Is this true? I personally think this dude is full of it!! lol
    1986 ATC 250R
    Ported w/ Cool head
    LED pipe and silencer.
    Vforce3
    Keihin PWK 38mm
    Works Ultra Cross Shock
    LSR +2 Axle
    American Star Racing +4 Swinger
    LED Intake
    Hi-Flite desert seat
    OEM clutch 89 upgrade
    2021 YFZ450Rse Rossier R5 Titanium Header AIS Delete FCI Vortex ECU


  2. #2
    Join Date
    Aug 2002
    Location
    New York
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    1,098
    God no...

    The 88-89 TRX is 1 inch shorter that the ATC. The only "bolt on" swing arm is the 86-87. The newer swinger doesn't have the rear motor mount. It's a solid bar...see pic.

    The 88-89 is also aluminum, so I don't know why you would paint it. If he has an aftermarket swing arm and you are willing to weld on some frame mounts, then 20 sounds like a deal, but it isn't a stock replacement.
    Attached Thumbnails Attached Thumbnails assembly 4.jpg  

  3. #3
    wanta86r's Avatar
    wanta86r is offline At The Back Of The Pack Arm chair racerAt the back of the pack
    Join Date
    Nov 2004
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    mn
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    385
    exactly what chris said

  4. #4
    3leggeddog's Avatar
    3leggeddog is offline The sun shines on a dogs ass every now and then Got the holeshot
    Join Date
    Nov 2004
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    ohio
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    2,534
    yeap,just like chris said.i experimented with this setup last year on my mx r.it was horrible.way too much traction!i thought the tight turning radius would be great,well it was,but it wheelied everywhere.i have no idea how chris rides that big bore with that swinger....well i guess on the ice,it's ok,lol.

    its a great looking mod,make the atc look newer,and was actually fun.i could burp up th gear wheeles like a 350x in 1st gear.
    Full Walsh CRF 450 hybrid 250r

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