... , Yamaha, and Kawasaki,ect. 2.Rubber material: NBR, FKM, SILICONE, ACM motorcycle oil seals 1. Quality Standard : ISO 9001:2008 2 ... , Yamaha, and Kawasaki,ect. 4.Rubber material: NBR,FKM ,SILICONE,ACM,PTFE. The following is the type of oil seal our ...