YT9080-03-01 鞍座易损环 Saddle seat vulnerable ring
3697677 飞轮壳 Flywheel Housing
3696142X 气门弹簧 Valve spring
6458171X 曲轴前油封 Front oil seal of the crankshaft
5714714X 主轴瓦 Main crankshaft bearing
6307134X 活塞压缩环 Piston compression ring
