Fuel tank supporting structure of motorcycle

Provided is a motorcycle. The motorcycle comprises a motorcycle body and a fuel tank. The fuel tank supporting structure comprises a motorcycle body framework, a front side fixed part, a back side fixed part and a tank support. The motorcycle body framework comprises a main framework. A center part, in the width direction of the motorcycle body, of the main framework extends backwards from the back part of a head pipe. The fuel tank is arranged on the main framework. The front side fixed part is arranged to elastically support the front end part of the fuel tank on the main framework. The back side fixed part is arranged to elastically support the back end part of the fuel tank on the main framework. The tank support forks and extends to the left side and the right side of the motorcycle body from the main framework and is used for supporting the left side part and the right side part of the fuel tank.