How to install oil seal on the rear axle of Wuyang Honda 100 Little Princess?

To install the oil seal of Wuyang Honda Princess's rear axle, first remove the axle, and then press the oil seal in by hand, or gently press the oil seal in with a tool of appropriate thickness, and then install the axle. When installing the rear axle, it is necessary to disassemble the gearbox, remove the rear wheel, exhaust pipe and other parts, or go to the motorcycle repair or repair place for installation and replacement.