Motorcycle and fault information storage method thereof

The invention relates to a motorcycle and a fault information storage method thereof, and the method comprises the steps that a first controller which detects fault information sends a required storage space of the fault information to a second controller, and the second controller determines a third controller according to the required storage space and the remaining storage space of a plurality of controllers, a control instruction is sent to the first controller, and the control instruction is used for pointing and controlling the first controller to send the fault information to the third controller; the first controller sends fault information to the third controller according to the control instruction, and the third controller receives and stores the fault information. The problems that the fault information storage space of a single motorcycle controller is limited and a large amount of fault information cannot be stored are solved, the utilization rate of the storage space and the storage capacity of