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Thread: problem with my 350x

  1. #1
    Join Date
    Mar 2005
    Location
    pennsylvania
    --
    0

    Question problem with my 350x

    I have a question about my 1986 honda 350x.
    When I am riding it and got it topping out it breaks up bad but only at top end.
    When I am tooling around low and mid range is fine.
    I rebuilt the carb with no luck.
    If anybody has any advice it would be greatly appreciated

  2. #2
    Join Date
    Oct 2002
    Location
    Fresno Ca
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    2,695
    do you have any mods? or changed the jetting? It sounds like its WAY rich on top.

  3. #3
    Join Date
    Jul 2005
    Location
    arizona
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    550
    my 250r was doing that, kinda sputtering in high rpm's. it was because i had a crappy plug, bad gas, old carb etc. i cleaned the carb, checked reeds, put in new gas, new plug, and it hasnt sputtered since. you could have a problem with jetting , but im an idiot when it comes to that. im sure some of the 350x guys here know whats going on.

  4. #4
    Join Date
    Oct 2002
    Location
    Fresno Ca
    --
    2,695
    Clean your airfilter, check your jetting, and make shure that your sparkplug is tight, a loose spark plug cand do that.

  5. #5
    Join Date
    Nov 2004
    Location
    OH.
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    2,487
    Don't forget to check your intake rubber for cracks.

  6. #6
    Join Date
    Oct 2002
    Location
    Fresno Ca
    --
    2,695
    Quote Originally Posted by seadoo650
    Don't forget to check your intake rubber for cracks.

    That wouldnt cause it to sputter at high rpm's

  7. #7
    Join Date
    May 2002
    Location
    Southeastern Wisconsin
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    3,658
    Quote Originally Posted by NOS_350X
    That wouldnt cause it to sputter at high rpm's
    I think he's refering to the lean condition it could create. A severe case would make it break up.

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