Problem to get gas level transmitter gas proof.

martin_csr wrote: By gordone: I also have a oring set, can try with a new one, but they are circle form and are also thicker...

The thickness of the o-ring doesn't really matter. It just needs to fit into the groove & seal against the tank. I used one from my HF o-ring kit. There were a couple of sizes that would work. Installing a round o-ring into an oblong groove takes some dexterity, but it can be done.

Nessism wrote: The sensor on my 750 leaked from around the rubber grommet. I took the sensor and soaked it in a cup of gasoline for a couple of hours and the rubber swelled up and hasn't leaked since.