T140v Carb Jetting.

Discussion in 'Vintage Classics' started by Tigertodd73, Oct 9, 2017.

  1. Tigertodd73

    Tigertodd73 Member

    Jun 10, 2016
    9
    8
    Kilmarnock
    Hi all.

    I have my 73 t140v bonnie running rich lower speeds and lean higher speeds. I feel as though there just isn’t the power there that should be. As if it is struggling to sit at 70/80 mph and takes a while to get there. I’m running norton silencers and exhaust are straight through with the head having been widened. What jets should I be running on the wassell carbs. I bought the carbs brand new.

    Any help would be much appreciated.
    Cheers. Tiger.
     
  2. darkman

    darkman Crème de la Crème

    Oct 26, 2015
    7,632
    1,000
    Southcoast of the UK Earth
    As a guide you should have 190/210 main, 106 needles and a size 3 slide.
     
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  3. Tigertodd73

    Tigertodd73 Member

    Jun 10, 2016
    9
    8
    Kilmarnock
    Cheers Darkman. Will check sizes from boxes tomorrow.
     
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