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Fuel leaking from throat of M14P Carburettor

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heaysr(at)telus.net
Guest

Posted: Mon Jan 09, 2012 9:09 pm Post subject: Fuel leaking from throat of M14P Carburettor

Fuel is leaking from the throat of the carb on the M14P in my Yak 55M. It seems to increase in the colder weather, below 10 deg C  (50 deg F). The drip rate has increased on about 1 drip per second at 5 deg C. Any ideas as to what could be causing this and the fix? The fuel shut off valve (obviously) stops the leak when in the off position.  

   

Royden Heays  

604-619-0653  

   

   

   

   

        [quote][b]

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Dale

Joined: 30 May 2007
Posts: 178

Posted: Tue Jan 10, 2012 4:19 am Post subject: Re: Fuel leaking from throat of M14P Carburettor

Try tightening the bolts on the diaphram.  You could also have a corroded orface in diaphram port or a defective diaphram.   Most likely one of these.  Fuel issues with diaphram will cause fuel to leak out the ram air sensor tubes located around the inlet of the carb venturi.

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