A scanner has a light and a scanning module for scanning light from a document and generating an image signal of the document. The exhaust pipe is curved after being extended forward from the cylinder head and is then extended rearward in such a manner as to pass by a lateral side of the cylinder above the crankcase, while the resonator is arranged in a space between the exhaust pipe and the cylinder, and is joined to a side surface of the exhaust pipe facing inwardly of the motorcycle. The charger circuit operates to communicate a charge status. The carriage moves the source of electromagnetic radiation to an area for treatment and the radiation shield prevents leakage of radiation to undesired points.