Leaking Carb.

Discussion in 'Technical Help' started by Tone1958, Jul 27, 2023.

  1. Tone1958

    Tone1958 Member

    Apr 6, 2016
    19
    8
    Stevenage
    #1 Tone1958, Jul 27, 2023
    Hi all been off here for a while. Trying to get the 2002 Bonnie ready for mot and numerous issues keep cropping up.
    Latest one is the L/h carb is leaking, I changed the float bowl seals but seems to be the same.
    I can't locate where exactly it's leaking from.
    Is this a common issue that has cropped up previously? Hoping it is as I have spent ages trying to find the source.
     
  2. Linx

    Linx Well-Known Member

    Mar 14, 2020
    198
    93
    Stratford Upon Avon, UK
    #2 Linx, Jul 28, 2023
    Leaking carbs are usually caused by sticking float valves. Sometimes a tap with a small hammer will free it off.
     
  3. Adie P

    Adie P Crème de la Crème

    Jul 7, 2018
    3,692
    1,000
    MID DEVON
    #3 Adie P, Jul 28, 2023
    Have you tried testing the float bowl (off the bike) for possible porosity? It would, I imagine, be pretty rare but not unheard of. Early carbs (AMAL et al.) were made of mazac and this can, I think, become porous if not well cast.
     
  4. Samsgrandad

    Samsgrandad Senior Member

    Dec 15, 2019
    684
    243
    Somerset
    #4 Samsgrandad, Jul 30, 2023
    Is it leaking or flooding? Have you checked the float height?
     
  5. Tone1958

    Tone1958 Member

    Apr 6, 2016
    19
    8
    Stevenage
    #5 Tone1958, Jul 31, 2023
    Thanks all will give all those suggestions a go.
     
  6. Tone1958

    Tone1958 Member

    Apr 6, 2016
    19
    8
    Stevenage
    #6 Tone1958, Aug 1, 2023
    Only went and worked. Lump of wood and a tap from the hammed, sorted many thanks to those who commented appreciate it.
     
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