[Noel]

Hi,

I had the same problem tracked it down to fine dust particles in tank, in line fuel filter didn't pick up the particles, thus particles accumulating in carby bowl / stopping fuel needle from sealing-thus fuel poring out via overflow line. Also the PWK carby can such up dust/mud via vent lines. Also check your float level. Do you have any fuel overflow venting out
I also live in Newcastle, I have a 07 250 ec my carby setting are as follow I can get about 90-100 klm out of a tank and I ride Nerong/Walleroo .
MJ185
Needle - CEK, 3rd clip
PJ-45.

Bike has never fouled a plug, when warm starts first time ever time

I made up an extended PC cover (25mm Aluminium insert) and the bike now has a lot more torque, less hard reving.
My mate had a 04 300ec had roughly the same carby settings but got better KLM's than I did out of a tank.

Noel