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  • #1

    Black smoke

    Recently I upgrade my Carb main jet 110 to 112.5. engine running good but when i put it main stand and give full throttle it gives
    black. i tune my bike but nothing happen. What should I do..??
    plz help
    Tags: None
  • #2
    Re: Black smoke

    Thread Approved

    Black smoke means that your engine is running a rich mixture. If you have done it only recently, you will soon experience reduced fuel economy too.

    Unless you have other mods running eg. free flow exhaust OR K&N air filter, I would suggest that you go back to using the stock 110 main jet.
    Advice is a form of nostalgia.
    Dispensing it is a way of fishing the past from the disposal, wiping it off, painting over the ugly parts and recycling it for more than it's worth.

    Antz Travelz!! | South India Exploration Ride | Leh Triplog (Work in progress)

    Comment

    • #3
      Re: Black smoke

      Originally posted by antz.bin View Post
      Thread Approved

      Black smoke means that your engine is running a rich mixture. If you have done it only recently, you will soon experience reduced fuel economy too.

      Unless you have other mods running eg. free flow exhaust OR K&N air filter, I would suggest that you go back to using the stock 110 main jet.
      Thanx but i currently run to stock jet 110. i have done upjetting without change airfilter.
      Is it possible done upjetting without k&n.
      I want to increase mid and high range torque..??
      Pls guys help me..

      Comment

      • #4
        Re: Black smoke

        Originally posted by royal racer View Post
        Thanx but i currently run to stock jet 110. i have done upjetting without change airfilter.
        Is it possible done upjetting without k&n.
        I want to increase mid and high range torque..??
        Pls guys help me..
        To improve top-end response, you need a better breathing engine (i.e. K&N / Cosworth Air Filter AND a Free Flow exhaust). To improve low/mid range you need more fuel burning inside (bigger jet / bigger block / both)

        You should probably get professional help or you would end up ruining everything. What bike is it that we are talking about??

        Look around, use google search, you will find answers to most of your questions before you even ask them.
        Advice is a form of nostalgia.
        Dispensing it is a way of fishing the past from the disposal, wiping it off, painting over the ugly parts and recycling it for more than it's worth.

        Antz Travelz!! | South India Exploration Ride | Leh Triplog (Work in progress)

        Comment

        • #5
          Re: Black smoke

          Originally posted by antz.bin View Post
          What bike is it that we are talking about??
          Look around, use google search, you will find answers to most of your questions before you even ask them.
          i am using bullet electra350 uce engine.

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