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Need help with carby

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  • Need help with carby

    My postie has been sitting for a while so I decided to freshen it up with a carby rebuild kit (it had been dripping out the bottom of the vent tubes). I managed to get everything back together but fuel is now pouring out of the carby overflow lines. I have taken the carby apart numerous times now trying to work out what is going wrong but no luck yet.

    I checked the float valve, which doesn't seem to have much travel in its movement, so it doesn't seem that the float is able to depress the valve very much. I have checked if there is an alternate configuration for the float and the valve (in case I had installed something back to front) but they only seem to fit one way.

    Any clues as to what is wrong?

    There is also a screw in the bottom of the float bowl (on the exhaust pipe side of the motor) that is shown on a parts diagram, but I can't find any reference to what it is or what it does. When I rebuilt the carby I screwed it all the way in - should it be screwed back out partially?

    Thanks for any suggestions!

  • #2
    Any clues as to what is wrong?
    ... Thanks for any suggestions!
    I have no 'clues' ... What I'd do:

    I'd yank the Carb' out... It's 'easy' on/your Postie?
    I'd set/it level in/my vice + feed it/fuel from above.
    I'd/then fiddle with/it 'til it's sorted: Then/it back/in.
    The More I Learn... The Less I Know.
    That Which Doesn't Change... Stays The Same.
    Those That Don't Fall... Just Aren't Trying Hard Enough.
    Genius or Idiot... Sadly it's Defined by the Mediocre Masses... With their Hindsight.
    Dicklaimer... The Text above is to be Evaluated by a Responsible Person... Prior to Any Action Being Taken.

    *George Carlin*What We Do*No Bravery*Tell the Truth*911*Genetic Armageddon*Carbon Tax*Interplanetary Climate Change*Fracking*Shock Doctrine*Extinction Protocol*


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