A body cover being formed by joining together a plurality of cover members including a maintenance cover which is detachably disposed on the side of the power unit. A pedal which is actuated by an individual operating the vehicle wherein the overall body frame is covered without modifying the structure and arrangement of the pedal. A suspension system wherein a swing arm type or an independent suspension type may be used in the vehicle. A light structure for a tail light wherein attaching lighting components such as a light emitting section are attached to a substrate formed in part of a lid of a utility box attached to a rear part of a vehicle. The lighting components such as the substrate are directly assembled in the concave section, and a lens is attached to the concave section by welding.