The Beta long range tank/seat is GREAT. It turns your trials bike into a great single track trail monster. You can ride for hours and hours, plus take a rest on the easy bits.
Below are the instructions for installing the tank. However, I made an extra connection so I coule remove the tank/seat quick and easy. What I did with mine was to install an extra fuel line connection on the outside of the bike, between the bike an the tank. See the pictures.
Click on any picrture to see it in large size.