... to us! seriseBore diameter(mm)Variant structure6180010~320Z,2Z,RZ,2RZ6190010~280Z,2Z,RZ,2RZ,N,NR,ZN,RZN1600010~260 600010~260Z ... ,2Z,RZ,2RZ,RS1,2RS1,N,NR,ZN,RZN620010~220Z,2Z,RZ,2RZ,RS1,2RS1,N ... ,NR,ZN,RZN630010~190Z,2Z,RZ,2RZ,RS1,2RS1,N,NR,ZN,RZN640010~100N,NRMotorcycles, ...