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Thread: 85 250r car issues

  1. #1
    Join Date
    Jan 2019
    Location
    US
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    12

    85 250r car issues

    85 250r was running little rich cutting out little bit on low end .once got to wot.it hauled ass .ran best with idle screw almost all way out and air screw 3/4 out ..repacked stock silencer and now it bogs .stock silencer had no packing in it .carb is stock 34 mm klien main 142 and pilot at 52 .stock cylinder bored .35 over factory exhaust. Any help would b appreciated?

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  2. #2
    Join Date
    Mar 2010
    Location
    Slidell, LA
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    4,558
    Quote Originally Posted by slippery View Post
    85 250r was running little rich cutting out little bit on low end .once got to wot.it hauled ass .ran best with idle screw almost all way out and air screw 3/4 out ..repacked stock silencer and now it bogs .stock silencer had no packing in it .carb is stock 34 mm klien main 142 and pilot at 52 .stock cylinder bored .35 over factory exhaust. Any help would b appreciated?

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    Is this on the big bore you have asked about before?
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  3. #3
    Join Date
    Jan 2019
    Location
    US
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    Yes sir

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  4. #4
    Join Date
    Mar 2010
    Location
    Slidell, LA
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    4,558
    Now that I re-read your comments you say it’s a stock cylinder bored. Is it stock or big bore?
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    Need something blasted or polished or both? Send me a PM

  5. #5
    barnett468 is offline FACT ! I have no edit button Arm chair racerThe day begins with 3WW
    Join Date
    Jan 2013
    Location
    minnesota
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    5,914
    You need to be far more specific for people to help you best.


    Quote Originally Posted by slippery View Post
    85 250r was running little rich cutting out little bit on low end
    exactly what do you mean by "cutting out"?


    Quote Originally Posted by slippery View Post
    ran best with idle screw almost all way out
    exactly what do you mean by "ran best"

    The idle speed screw only sets the idle speed, it has absolutely zero to do with how a bike runs when the throttle is being opened.


    Quote Originally Posted by slippery View Post
    and air screw 3/4 out
    is this where it had the highest idle speed?


    Quote Originally Posted by slippery View Post
    .stock silencer had no packing in it..repacked stock silencer and now it bogs
    exactly what do you mean by "bogs"?


    Quote Originally Posted by slippery View Post
    bored .35 over
    exactly how did you determine this. i have never seen a .35 over piston for anything unless it was custom made.

  6. #6
    barnett468 is offline FACT ! I have no edit button Arm chair racerThe day begins with 3WW
    Join Date
    Jan 2013
    Location
    minnesota
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    Quote Originally Posted by glamy View Post
    I`m a pro porter .35 ....38 whatever it takes........my piston is clean no smeggma on it "like" yours ......Barns........Barns ........BARNS ........shut up !
    Please stop drinking Pine-Sol, it's bad fer da brain.
    .

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