not sure if this has been covered before.
here goes

first remove side pannel to get to the fuel pump.
turn off fuel and ignition
unplug fuel pump and remove the fuel lines
unclip and remove pump




remove rubber casing


unscrew single screw in plastic cap and remove


place new contacts out and check where everything goes


get your soldering iron and unsolder the black wire attached to the contacts


remove the 2 screws that hold the contacts on


remove the contacts


replace with new contacts, noting which wire goes to which screw


re-solder black wire to contacts


replace plastic cap and rubber sleeve


re-join all the pipe work


put back on the bike and hopefully it will all work