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Thread: Carby

  1. #1

    Join Date
    Feb 2011
    Location
    Victoria
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    2

    Default Carby

    I have a '91 Triton 2 WD (petrol) with what I think is a Mikuni-Solex carby. It has a flat spot which may be the secondary diaphragm (guessing) I've been quoted from 7-8 hundred upwards to rebuild, my question, has anyone had any experience with those Chinese copies? I am going to try replacing the secondary diaphragm first, so will report if that fixes the problem, then no doubt will have more questions.
    I haven't been on here since working on daughter in law's TS Magna some years back.

  2. #2

    Join Date
    Feb 2011
    Location
    Victoria
    Posts
    2

    Default

    Replaced the secondary diaphragm, made a big difference, so thought I'd be kind to the old girl and put new rotor, dissie cap, plugs and leads. Now it is missing at low revs.
    Any ideas where to go now.

  3. #3

    Join Date
    Feb 2011
    Location
    New South Wales
    Posts
    625

    Default

    You may have a slight air leak which is causing the air/fuel mixture to be too lean. Once you get the revs up, the dilution effect of the leakage is reduced and it doesn't miss. The air leak can be from the gasket at the base of the carby, or it could be a small vacuum line left off.

  4. #4

    Join Date
    Feb 2011
    Location
    New South Wales
    Posts
    625

    Default

    The air leak could also be a worn throttle butterfly shaft bushing allowing air to enter at that point.

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