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Thread: 85atc250sx will crank but won't started help please

  1. #1
    Join Date
    May 2008
    Location
    ga.
    --
    2

    85atc250sx will crank but won't started help please

    hi guys, new here got a problem need some help . I bought a 85 honda atc250sx from a buddy. it 's run before i clean the carb but won't start up now . i m getting fuel,getting fire. compress good . vavles set to tdc at compress side as say per serice manual says but getting popping and air out of carb went try to crank .please need help thanks, clluke

  2. #2
    Join Date
    Jun 2006
    Location
    Willow, Alaska
    --
    1,337
    Sounds like your timings off a tooth or so or 180 degress out.

    -Nick
    1988 Chevy Silverado 5.9L Cummins : 1986 ATC250R : 2012 Polaris RZR 570 :

    98% of Americans say 'OH $#!T!!' before going into a ditch on an icy road. The other 2% are Alaskans, and they say 'Here, hold my beer and watch this!!'

  3. #3
    Join Date
    May 2008
    Location
    ga.
    --
    2
    Timming lines matching up. What is all the jet setting for the carb .The book only as the 2turn out setting on fine tune.Just wanting to know if jet are set wrong . My boy and me are trying to fix it (A daddly ,son think!). We didn't write ant setting down.

    thank clluke

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