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Thread: 84 atc 70?

  1. #1
    Join Date
    Oct 2007
    Location
    Barnesville Ohio
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    239

    84 atc 70?

    i need to know the stock adj. for the mixture and idle screws it was runnin earlier but bogs now
    TRIKES
    1983 225 DX
    1984 Tri-Zinger
    1984 200 X
    1985 Big Red
    1985 200 X
    1985 Tri-Z
    1985.5 Tri-Z
    1986 Tri-Z

    BIKES
    1978 YZ250
    2010 YZ250F
    2015 WR450F OHIO Street Legal

  2. #2
    Join Date
    Nov 2002
    Location
    Kirkville, NY
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    3,831
    Needle in the 4th position

    air screw 1-1/8 out

    idle screw set at engine speed of 1500 rpm (+/-100)
    1984 Yamaha YT 60 Tri Zinger(current project)
    1983 Yamaha YTM 200 (rear suspension kit)..... long term project
    2004 BMW R1150R
    1972 Honda CT 70
    2007 Lifan 110

  3. #3
    Join Date
    Oct 2007
    Location
    Barnesville Ohio
    --
    239
    thanx alot fox
    TRIKES
    1983 225 DX
    1984 Tri-Zinger
    1984 200 X
    1985 Big Red
    1985 200 X
    1985 Tri-Z
    1985.5 Tri-Z
    1986 Tri-Z

    BIKES
    1978 YZ250
    2010 YZ250F
    2015 WR450F OHIO Street Legal

  4. #4
    KASEY's Avatar
    KASEY is offline weee weeee weeeeeeeeeee ! ! ! The day begins with 3WW
    Join Date
    Jan 2003
    Location
    ARIZONAS BIGGEST TROUBLEMAKER
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    HMMMM,, internet jetting......... one in PA one in ohio,,, good luck,,,

    best thing to do is play with it till it feels right,,, because altitude, humidity ,and temprature makes a big difference,,,,,,,,,,,

  5. #5
    Join Date
    Nov 2002
    Location
    Kirkville, NY
    --
    3,831
    Quote Originally Posted by KASEY View Post
    HMMMM,, internet jetting......... one in PA one in ohio,,, good luck,,,

    best thing to do is play with it till it feels right,,, because altitude, humidity ,and temprature makes a big difference,,,,,,,,,,,
    I agree Kasey, those are just the stock factory settings, a good place to start but doesn't mean it's the final choice.


    oh, for the record, I'm about 10 miles from Ohio
    1984 Yamaha YT 60 Tri Zinger(current project)
    1983 Yamaha YTM 200 (rear suspension kit)..... long term project
    2004 BMW R1150R
    1972 Honda CT 70
    2007 Lifan 110

  6. #6
    Join Date
    Oct 2007
    Location
    Barnesville Ohio
    --
    239
    i knew i would have to play with it i just needed the stock for a better start because i dint know where it was set i do now tho its running perfect again.
    TRIKES
    1983 225 DX
    1984 Tri-Zinger
    1984 200 X
    1985 Big Red
    1985 200 X
    1985 Tri-Z
    1985.5 Tri-Z
    1986 Tri-Z

    BIKES
    1978 YZ250
    2010 YZ250F
    2015 WR450F OHIO Street Legal

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