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Pulsar 200 having high exhaust backfires !!

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  • #1

    Pulsar 200 having high exhaust backfires !!

    Hi Bikers, my pulsar 200 is having a high exhaust back fire form its new tuning. But the bike is give excellent performance and throttle response. Please advise me, should change the tuning or its okay with the bike ?

    Advance Regards.
    Vaisakh SP
    Tags: None
  • #2
    Query approved and moved.
    (Been There Done That) x 3.25

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    • #3
      Welcome to XBhp!!

      what new tuning did you go for?? more details please.
      Twist your wrist and feel the shift!!

      My own thoughts - Throttle

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      • #4
        Originally posted by Vaisakh_SP View Post
        Hi Bikers, my pulsar 200 is having a high exhaust back fire form its new tuning. But the bike is give excellent performance and throttle response. Please advise me, should change the tuning or its okay with the bike ?

        Advance Regards.
        Vaisakh SP
        You're running on too lean AFR. Get it retuned to normal, otherwise fry your valves.
        Last edited by abhichotu.abhi; 11-04-2010, 07:18 PM.

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        • #5
          Originally posted by abhichotu.abhi View Post
          You're running on too rich AFR. Get it retuned to normal, otherwise fry your valves.
          Rich mix doesn't fry valves. Neither does it cause backfires. Its caused by either lean mix or by faulty spark plugs.

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          • #6
            Originally posted by pavanchirmade View Post
            Rich mix doesn't fry valves. Neither does it cause backfires. Its caused by either lean mix or by faulty spark plugs.
            Sometimes RICH mixture does causes afterfires (exceptional cases). But, here I think, you're right. He is running too lean.
            Last edited by abhichotu.abhi; 11-04-2010, 07:26 PM.

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            • #7
              Too lean mix,i had faced this problem while tuning my bike,re-tune it.
              -------------------------------
              Without Knowledge, Skill cannot be focused. Without Skill, Strength cannot be brought to bear and without Strength, Knowledge may not be applied. - Alexander the Great's Chief Physician

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              • #8
                Originally posted by abhichotu.abhi View Post
                Sometimes RICH mixture does causes afterfires (exceptional cases).
                I second that very rich mixture can cause that.

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                • #9
                  MY Fuel injected 220 had this problem initially. All i did was fueled up at a good buck from then on.Once in a while when it misfired, i remove the spark plugs, clean it with a cloth, install back.I had no more mis fires.
                  My BiKe DoEsN't LeAk OiL, iT mArK's ItS TeRriToRy !

                  sigpic

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                  • #10
                    Thank you so much people. I think am running on too lean AFR !!
                    Change my turning first !

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