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Thread: 86 atc 250r idle adjustment isnt working?

  1. #1
    Join Date
    Oct 2012
    Location
    Finlayson, Minnesota
    --
    1,066

    86 atc 250r idle adjustment isnt working?

    Just rebuilt my R.. It idles great.. but its maxed out on the throttle and the idle needs to go just a tad higher but the adjustment on the carb does nothing. Does the idle adjustment thing go bad?
    1986 250r - Fully rebuilt from the ground up!
    - http://www.3wheelerworld.com/showthr...ATC-250r-Build
    1985 Tri Z - Next project!
    1982 250r - Sold
    1983 Auto X - Sold
    1984 Auto X - Sold
    1985 200M - Sold
    1985 YTM 125 - Sold
    1985 185 - Sold
    1984 185 - Sold


    1/21/2013 - RIP Grandpa Rosa, great man, will be missed.. Love you

    Check out my feedback:

    http://www.3wheelerworld.com/showthr...k-for-CodyRosa

  2. #2
    Outlaw #24's Avatar
    Outlaw #24 is offline At The Back Of The Pack Arm chair racerAt the back of the pack
    Join Date
    May 2013
    Location
    Iowa
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    364
    If I remember right the chock knob is the idle adjuster on the 86. the little screw on the side is the air screw? Just saying! look on the top of the chock knob!

  3. #3
    Join Date
    Oct 2012
    Location
    Finlayson, Minnesota
    --
    1,066
    I took it apart.. never seen on of these other than on my cousins cr125.. when i spun it, it didnt do anything so i compressed the spring and saw a little nut inside there.. turn it by hand then the adjuster started to grab. Idles like a champ now =)
    1986 250r - Fully rebuilt from the ground up!
    - http://www.3wheelerworld.com/showthr...ATC-250r-Build
    1985 Tri Z - Next project!
    1982 250r - Sold
    1983 Auto X - Sold
    1984 Auto X - Sold
    1985 200M - Sold
    1985 YTM 125 - Sold
    1985 185 - Sold
    1984 185 - Sold


    1/21/2013 - RIP Grandpa Rosa, great man, will be missed.. Love you

    Check out my feedback:

    http://www.3wheelerworld.com/showthr...k-for-CodyRosa

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