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Thread: 83 250r running weird any thoughts?

  1. #31
    Join Date
    Mar 2010
    Location
    Slidell, LA
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    4,738
    One of two things. Someone switched to a richer needle or more likely, the needle and needle jet are worn out and need to be replaced.
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  2. #32
    Join Date
    Feb 2010
    Location
    fredericton nb canada
    --
    71
    Ok for now should I adjust the air mix screw any different from the 1.5 turns out where I'm giving it less fuel?

  3. #33
    Join Date
    Mar 2010
    Location
    Slidell, LA
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    4,738
    No, I would try to find a suitable replacement for that needle and needle jet. Are there numbers on that needle by chance?
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  4. #34
    Join Date
    Feb 2010
    Location
    fredericton nb canada
    --
    71
    Yeah I think there was something written on it I'm gonna pull it apart again and take another look

  5. #35
    Join Date
    Jan 2012
    Location
    Carthage NY 250r rules
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    2,355
    I would change crank seals just to be on the safe side.
    250r rules

  6. #36
    Join Date
    Feb 2010
    Location
    fredericton nb canada
    --
    71
    Oh really would crank seals cause this kinda issue too

  7. #37
    Join Date
    Mar 2010
    Location
    Slidell, LA
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    4,738
    Quote Originally Posted by seth6025 View Post
    Oh really would crank seals cause this kinda issue too
    yes, that's why I told you to pressure test the motor....that test checks the crank seals.
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  8. #38
    Join Date
    Feb 2010
    Location
    fredericton nb canada
    --
    71
    Oh ok thanks. I will get something rigged up to check that

  9. #39
    Join Date
    Sep 2016
    Location
    Ny
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    39
    I'm curious if you had a bad seal or not

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