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 Posted: 05-08-2010 03:07 pm
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chrisl
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Joined: 09-21-2006
Location: Perth, Australia
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Am halfway through replacing the gaskets, o-rings etc on the 40mm Dellortos on my MK1 - one down, one to go.

Fuel is leaking out of one of the barrels/auxiliary venturi of the carb that I haven't got to yet, dripping through the air filter and on to the oil filter. There is also leaks from the accelerator pump underneath. Neither are massive, just a slow drip.

I am pretty sure that the leak underneath is as a result of a perished pump diaphragm.

Any ideas about what might be causing the leak via the AV?

I suspect the needle might be worn or not seating properly, or the float might have a bit of fuel in it, causing a bit of a free flow. 

Both seem like an easy fix, but should I look for anything else while I'm at it?

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