A multi-configurable tour-pack and backrest assembly for a motorcycle is presented. The multi-configurable tour-pack and backrest assembly is adaptable to provide backrest support to a driver and at least one passenger. The multi-configurable tour-pack and backrest assembly comprises a frame structure, a slide deck housing, a left side pivoting means, a right side pivoting means, a left sliding mechanism, a right sliding mechanism and a control interface. The slide deck housing is mounted with a slide deck rail, a tour-pack and a backrest. The backrest and the tour-pack are designed to move along the slide deck rail to achieve a plurality of seating configurations such as a passenger supporting configuration and a driver supporting configuration. The control interface allows the multi-configurable tour-pack and backrest assembly to move between the passenger supporting configuration and the driver supporting configuration to provide the backrest support to the driver and the passenger.