Results 1 to 6 of 6

Thread: who made a big bore kit for the 350x?

  1. 01-20-2006, 09:24 PM #1
    trainingwheeler's Avatar
    trainingwheeler
    trainingwheeler is offline At The Back Of The Pack Arm chair racerFirst time rider
    Join Date
    Sep 2004
    Location
    Upper Black Eddy , pa
    --
    245

    who made a big bore kit for the 350x?

    anyone know who made a big bore kit for the 350x? how big ? whats the biggest?
    1973 atc90k1
    cobra exhaust,1978 thumb throttle ,& pegs
    '80 honda 110
    '84 yamaha 200 x2
    '85 yamaha 225 dx 4sale
    '85 tecate 3 basketcase
    '85 honda 200x
    '02 blaster race quad getting full rebuild
    '88 suzuki quadzilla sold miss it
    '00 honda XR650R supermoto
    Reply With Quote Reply With Quote
  2. 01-20-2006, 10:01 PM #2
    Tri-ZNate's Avatar
    Tri-ZNate
    Tri-ZNate is offline Twinkle Toes The day begins with 3WW
    Join Date
    Sep 2004
    Location
    springville, PA
    --
    6,185
    www.Powroll.com. Their largest is a 430cc stroker kit.

    And then you could probably add in their 396cc bore kit.
    Nate

    The Myth, The MAN, The Legend
    R.I.P HRR

    Quote Originally Posted by honda250sx View Post
    Fact: Dr. Death is Bob from Enzyte.
    Reply With Quote Reply With Quote
  3. 01-20-2006, 10:16 PM #3
    NOS_350X's Avatar
    NOS_350X
    NOS_350X is offline Trikein' Away Teaching quads a lesson
    Join Date
    Oct 2002
    Location
    Fresno Ca
    --
    2,695
    Four Stroke Tech i belive made a 520 X one time.(i rember reading it in a oldschool mag) I would say good luck trying to get them to make one again. http://fourstroketech.net/
    Reply With Quote Reply With Quote
  4. 01-20-2006, 11:31 PM #4
    jason85atc250r's Avatar
    jason85atc250r
    jason85atc250r is offline Power User Roostin Away
    Join Date
    Sep 2003
    Location
    Elizabethtown PA
    --
    1,581
    i know TC racing made a 520 cc 350x engine. you would have to send him your engine to do it.

    the powroll 430 would be a good rliable one that would last forever.
    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
    Reply With Quote Reply With Quote
  5. 01-21-2006, 04:36 PM #5
    Hornetpowerspor's Avatar
    Hornetpowerspor
    Hornetpowerspor is offline At The Back Of The Pack Arm chair racerAt the back of the pack
    Join Date
    Mar 2005
    Location
    Michigan
    --
    294
    Curtis Sparks made them in the day. I have one that is a 465cc,( I'd have to double check) The crank has been stroked, and it uses a XR500 piston. It was originally built by Curtis Sparks. As far as I know they are still in business, but not positive.
    250R


    Looking for headlight frame for an 87 Tecate. PM me if you have one.[/B]
    Reply With Quote Reply With Quote
  6. 01-21-2006, 08:46 PM #6
    deathman53
    deathman53 is offline Power User Teaching quads a lesson
    Join Date
    Jun 2003
    Location
    englishtown NJ
    --
    2,676
    curtis sparks in still around and even bigger. unfortunitly they aren't interested in working on 250r's, 350x's, 200x's. Don't expect them to be very willing to service your engine when its needs it. They will tell you, that they don't the materials and stuff in stock, thats what I got when I asked about a 86 200x pipe.
    Reply With Quote Reply With Quote
//ArrowChat Integreation Code //