im builting a track bike from a 3tj fzr400 and was wondering can the petrol switch thats on the left side of the front fairing be done away with if so wot needs 2 be do for everything 2 work as normal and as should but 2 get rid of the switch?

You can disgard switch on;y if you disconect the fuel sender under the tank this is two wires on a green connector block..... then all will be fine