Abstract: A motorcycle provided with a central trunk and left and right trunks at the rear portion of the vehicle body. The vehicle body frame of this motorcycle is composed of a main vehicle body frame at the front and a rear vehicle body frame that can be detachably mounted to this main vehicle body frame. The rear vehicle body frame constitutes a trunk assembly jointly with a central trunk, a left trunk, a right trunk and other equipments such as lamps, and after the above-mentioned trunk assembly has been formed preliminarily as one unit outside of a main assembly line, it is detachably mounted to the main vehicle body frame on the main assembly line. Accordingly, the work on the main assembly line becomes little and simple, and a productivity is improved. Upon replacement of a rear wheel tire, it is only necessary to dismount the entire trunk assembly together with the rear vehicle body frame without individually dismounting a large number of equipments.

Abstract: A rear structure for a motor cycle having a driver's seat and a rear rider's seat, comprises a rear trunk for receiving therein articles, a pair of armrests for bearing rear driver's elbows in a natural posture. The rear trunk includes a backrest for bearing at least a part of the rear driver's back. The armrests are provided independently of said rear trunk. In addition, various utility containers are provided in the rear structure.

Abstract: A supplementary light device for use with a motorcycle including a fairing covering at least front and front lower areas of a main frame structure thereof and having a bifurcated and depending part extending downwardly on either side of the main frame structure. The supplementary light device is adapted to be incorporated integrally in the bifurcated and depending part of the fairing.

Abstract: In a two-rider motorcycle having front and rear seats, a pair of speakers are arranged, at opposite lateral sides of the frame body, on a receptacle mounted on the frame body at the back of the rear seat. The speakers each have its front surface directed forwardly upwardly of the frame body.