摩托车发动机系动力机械产品,气缸盖、曲轴箱、气缸体等零部件以及机体内的润滑油与外壳,进行必要和可靠的密封,是确保发动机正常工作的首要条件。用于发动机的密封装置一般分为2种:静密封装置和动密封装置。它们在使用与维修过程中故 Motorcycle Engine Power machinery products, cylinder head, crankcase, cylinder block and other parts as well as the body of the lubricating oil and the shell, the necessary and reliable seal, is to ensure the normal operation of the engine of the first condition. Seals used in the engine are generally divided into two types: static seal and dynamic seal. They are in use and maintenance process