FUEL TANK STRUCTURE OF STRADDLE VEHICLE

A fuel tank structure of a straddle vehicle includes a fuel tank which accumulates fuel supplied from a fuel filler port, a fuel tray which is provided above the fuel tank so as to surround the fuel filler port, and a gas-liquid separator which is connected to the fuel tank and separates the fuel into gas and liquid. The gas-liquid separator is spaced apart from the fuel tank and provided on the fuel tray.