Cylinder Boring & Honing Machine is mainly used for maintaining the cylinder of motorcycle , etc . Place the cylinder to be bored under the base plate or on the plane of the base of the machine after the center of the cylinder hole is determined , and the cylinder is fixed , maintenance of boring boring and honing can be carried out . The cylinder of the motorcycles with diametersφ39~72 mm and depths within 160 mm can all be bored and honed . If the suitable fixtures are fitted , other cylinder bodies with corresponding requirements can also be bored and honed .