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Thread: what is the best carb for a tri-z?

  1. #1
    Join Date
    Oct 2003
    Location
    Watertown, New York 13601
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    3,382

    what is the best carb for a tri-z?

    What is the best carb and size for a tri-z to get more perfomance? I dont think my stock one is worth a trailprotrailprotrailprotrailpro.
    1985 YAMAHA TRI-Z 250 sold

    2006 YFZ 450

  2. #2
    Join Date
    May 2003
    Location
    Houston, Texas
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    2,409
    Yeah me too! Let me know where you can get it and what brand is recommended if anyone can find one they still make.

    Thanks,

    Darius

    SEND ME PM HERE - CLICK HERE

    1986 ATC 250r, 1986 Tri Z, 1990 LT 500R "Quadzilla"


    Dirtbikes:

    1994 KTM 550 MXC (yes its a two stroke...66 hp stock!)
    1988 Yamaha DT

  3. #3
    Join Date
    Oct 2003
    Location
    Watertown, New York 13601
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    Quote Originally Posted by Darius1502
    Yeah me too! Let me know where you can get it and what brand is recommended if anyone can find one they still make.

    Thanks,

    Darius
    Get your own thread. j/k
    1985 YAMAHA TRI-Z 250 sold

    2006 YFZ 450

  4. #4
    Join Date
    Jun 2002
    Location
    Mississippi
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    38MM keihin AIRSTRYKER is the choice for most 250cc 2 strokes
    83 ATC70
    85 ATC70
    85 200x vintage racer
    86 500r
    Lots of parts

    My 500R


  5. #5
    Join Date
    Jan 2003
    Location
    Ashland City, TN
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    Find a 34mm round slide Mikuni off ebay. It's what I'm working on.
    Trikes:
    1973 Honda ATC70-orange!
    (2)1985 ATC70
    1985 Big Red 250
    1985 250R

  6. #6
    Join Date
    Jun 2002
    Location
    Mississippi
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    Quote Originally Posted by SSJ3Goku
    Find a 34mm round slide Mikuni off ebay. It's what I'm working on.
    why so small? go for performance 8)
    83 ATC70
    85 ATC70
    85 200x vintage racer
    86 500r
    Lots of parts

    My 500R


  7. #7
    Join Date
    Jan 2003
    Location
    Ashland City, TN
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    2,576
    Stock is 32, and we are talking about a Tri-Z here. There's no reason to go insane and spend all that money, lol.
    Trikes:
    1973 Honda ATC70-orange!
    (2)1985 ATC70
    1985 Big Red 250
    1985 250R

  8. #8
    Tri-Z Pilot's Avatar
    Tri-Z Pilot is offline Check my feedback before buying from me Got the holeshot
    Join Date
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    Central PA
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    Nah all you need is a 34mm or 36mm, 38mm is just over kill. I would go with a 36mm, so that you gain some power on top, but still have good low end power for the woods, (Depends on where you ride though). Call someone like Duncan Racing, or Kehin, or mikuni, and tell them what kind of riding you do, and what kind of performance gains you are looking for, they should help.
    Current Rides-Soon to be 85 350X, 84 200X
    PastRides
    86 250SX 85 Tri-Z (yellow) 85 Tri-Z (silver) 86 200x 01 Blaster 99 Blaster 85 ATC250R 86 ATC250ES 84 Tri-Zinger 60 ATC500R Project
    Originally Posted by atctim
    I prefer to be called a "3 wheeled American" I find the term "Trike People" very offensive and derogatory!
    SOON MY PRECIOUS!

  9. #9
    Join Date
    May 2003
    Location
    Houston, Texas
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    Sorry to high jack the thread TW....us Tri Z guys have to stay together!!

    Besides you always ask the stuff I am wondering about.

    What should we ask next?

    Peace,

    darius

    SEND ME PM HERE - CLICK HERE

    1986 ATC 250r, 1986 Tri Z, 1990 LT 500R "Quadzilla"


    Dirtbikes:

    1994 KTM 550 MXC (yes its a two stroke...66 hp stock!)
    1988 Yamaha DT

  10. #10
    Join Date
    Sep 2002
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    Rittman, Ohio
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    Ive never been disappointed with the stock carb when its set up properly.

  11. #11
    Join Date
    Oct 2003
    Location
    Watertown, New York 13601
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    3,382
    So a 36mm will work good? I just want some more power out of my z
    1985 YAMAHA TRI-Z 250 sold

    2006 YFZ 450

  12. #12
    Join Date
    May 2002
    Location
    Texas
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    2,670
    My stock carb works very well with the UNI Pod Filter and Bill's pipe. I have a 38mm flatslide Mikuni laying around that used to be on my 84 KXT. I want it on the Z, but I hate to change when the stock works so well.
    1986 Tecate
    1984 Tecate
    1985 Tri-Z
    1986 ATC350X
    1985 ATC250R (2)
    1985 ATC125M (2)
    1982 ATC70 - Original Owner

    175 TriMoto Frame with Pro-Tec Rear Suspension

    3-Wheelin' since '82

  13. #13
    Join Date
    Oct 2003
    Location
    Watertown, New York 13601
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    3,382
    You shure you dont want to sell it. :-D
    1985 YAMAHA TRI-Z 250 sold

    2006 YFZ 450

  14. #14
    Join Date
    Jun 2002
    Location
    Mississippi
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    i have a 34 mm flat slide pj keihin that was STOCK on a trx that i would sell you. i actually run a 41mm pwk on my t3. i have plenty of bottom end power to ride trails. i have even rode trails with a passenger on it
    83 ATC70
    85 ATC70
    85 200x vintage racer
    86 500r
    Lots of parts

    My 500R


  15. #15
    Join Date
    Oct 2003
    Location
    Watertown, New York 13601
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    Quote Originally Posted by 200x Basket
    i have a 34 mm flat slide pj keihin that was STOCK on a trx that i would sell you. i actually run a 41mm pwk on my t3. i have plenty of bottom end power to ride trails. i have even rode trails with a passenger on it
    sent you a PM :-D
    1985 YAMAHA TRI-Z 250 sold

    2006 YFZ 450

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