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Thread: TRI-Z 250 Need HELP!

  1. #1
    Join Date
    May 2009
    Location
    Talladega, AL.
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    3

    TRI-Z 250 Need HELP!

    I recently purchased a 85 1/2 Tri Z ... I dont know what the half means but someone tell me please... ANYWAY I have the bottom end for it. But there is no top end

    What do you guys suggest? I know where an 83 Yami YZ 250 cylinder and head is but my question is do I have to hook up the YPVS or can I just put the cylinder on the TRI-Z bottom end?

  2. #2
    Join Date
    Jan 2006
    Location
    conesus lake NY
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    11,894
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    I would find a top end for a tri z... it will be alot easyer...

  3. #3
    Join Date
    May 2009
    Location
    Talladega, AL.
    --
    3
    Those are very hard to find, but I will sift through these boards some more and try to find some info.

  4. #4
    Join Date
    Mar 2008
    Location
    Stockholm/Sweden
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    64
    I used an yz top-end for my tri-z
    I locked the ports in fully open position, whith a little home made bracket (not to hard)
    But since the hoses connect differently on the yz top, I used the original tri-z, but maybe there is a simple sollution for that to
    *1985 Yamaha Tri-z 360 big bore Ohlins with powervalves, 38-carb, boyesen reeds and pro-circuit exhaust!
    *1985 Honda ATC 350x "stock"
    *1981 Yamaha Tri-moto 175 "stock"
    *1982 Yamaha rz350 with Jolly-moto exhaust
    *2004 Kawasaki sixdirtysix Stuntbike
    *1987 Pontiac Trans-Am
    *1996 Pick-Up

  5. #5
    Join Date
    May 2009
    Location
    Talladega, AL.
    --
    3

    Ypvs

    Quote Originally Posted by Swamp trike View Post
    I used an yz top-end for my tri-z
    I locked the ports in fully open position, whith a little home made bracket (not to hard)
    But since the hoses connect differently on the yz top, I used the original tri-z, but maybe there is a simple sollution for that to
    I am new to the yz/tri-z ypvs thing, so you're saying that you made a bracket to close off the ypvs? The YPVS is on the cylinder right?

  6. #6
    Join Date
    Mar 2008
    Location
    Stockholm/Sweden
    --
    64
    Quote Originally Posted by Bansheeboybv View Post
    I am new to the yz/tri-z ypvs thing, so you're saying that you made a bracket to close off the ypvs? The YPVS is on the cylinder right?
    Yes it's on the cylinder, and I locked the valve in an open position
    Last edited by Swamp trike; 06-03-2009 at 07:22 AM.
    *1985 Yamaha Tri-z 360 big bore Ohlins with powervalves, 38-carb, boyesen reeds and pro-circuit exhaust!
    *1985 Honda ATC 350x "stock"
    *1981 Yamaha Tri-moto 175 "stock"
    *1982 Yamaha rz350 with Jolly-moto exhaust
    *2004 Kawasaki sixdirtysix Stuntbike
    *1987 Pontiac Trans-Am
    *1996 Pick-Up

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