Sorry, the bike is a 1999 Mille and only just got it, while I am a 1951 grumpy old git who forgot his manners after nearly blowing himself and the garage up today trying to sort the fuel leak. I take it that I could temporarily plug the offending pipe where it emerges from the fuel tank. When I blow up the pipe then air comes out of one of the overflow holes in the filler area and when I block this off and blow again then I hear noise from within the tank.My other bike is a 2003 Ducati Multistrada as I like Italian Vtwin Stallions.