Dave,
We bought some fluorescent dye at the local auto store,
made specifically for detecting gasoline leaks. You use a
black light to see the dye. Among other things, we found
leaks in a side plate of both carbs, which were fixed by
tightening a few screws.
regards,
Terry Seaver
N135TD
DJA727@aol.com wrote:
> Hi fellow Europa experts,
>
> I have about 1.7 hours on my 914 engine and have had it up to 4,000 rpm so
> far. I just discovered today that the starboard carburetor has leaked some
> fuel into the catch bowl that sits underneath. I have the hose connected to
> that bowl and it has evidence of fuel.
>
> Does anyone have an idea of what might cause this? It can't be normal. I have
> a fuel pressure gauge in the line out of the fuel pumps and with the engine
> shut down and one electric fuel pump on, I get about 4.8 psi. With the second
> pump also on, the pressure rises to about 6.3 psi. The pressure regulator is
> supposed to keep the fuel at 3.5 psi above airbox pressure. Then the engine
> is not running, the airbox pressure should be atmospheric and I would expect
> the fuel pressure to read 3.5 psi with one or two pumps running. The engine
> is under warranty, so I will probably have to contact Rotax.
>
> Any ideas?
>
> Thanks,
>
> Dave Anderson
> Mini U2
> A227
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