In a Masport mower
B&S Quantum XM 50
Model 12F802 Type 0842 -02
Code 95051059

I had a fuel starvation problem and cleaned carby removing junk from the bowl and main jet. Re-assembled and the machine ran well but overnight flooded/leaked badly.

Replaced the seat and needle valve with new parts as seat possibly looked suspect so was a likely culprit. New gasket too.

Left it for some time and found a fuel leak from the port arrowed in the pic below. This is open and does not look as though it has had a plug in it.

Can anyone help with any suggestions please? This has caused me a great deal of angst as I have had the thing apart so many times.

Thanks folks, I'd be most grateful for any ideas.

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