Fuel escaping at altitude
I'm having problems with fuel blowing back through the breather tube when I get above 8000 ft.
The bike is a G650 X Challenge with a Touratech 17 litre Safari tank (plumbed in as per Touratech instuctions, i.e. with 2 hoses coming from the OE tank to the TT tank) the fuel seems to be syphoning back from the OE tank into the TT tank and then blowing out of the TT tank breather, all over me and a nice hot engine
Any ideas for a fix please chaps as I'm in Bolivia and for the next 3 weeks I'm going to be above said altitude.