YAMAHA DT100 FZR400 MX100 RT100 Factory Rear Sprocket Nut 90179-08639 / 90179-08168

YAMAHA  Factory Rear Sprocket Nut   OEM Ref. # 90179-08639 / 90179-08168  NOS  New Old Stock.  B40/C

Fits

DT100C 1976 100 DT100 Dual Purpose 
DT100D 1977 100 DT100 Dual Purpose 
DT100E 1978 100 DT100 Dual Purpose 
DT100F 1979 100 DT100 Dual Purpose 
DT100G 1980 100 DT100 Dual Purpose 
DT100H 1981 100 DT100 Dual Purpose 
DT100J 1982 100 DT100 Dual Purpose 
DT100K 1983 100 DT100 Dual Purpose 
FZR400U 1988 400 FZR400 Street 
MX100A 1974 100 MX100 Off-Road 
MX100B 1975 100 MX100 Off-Road 
MX100F 1979 100 MX100 Off-Road 
MX100G 1980 100 MX100 Off-Road 
MX100H 1981 100 MX100 Off-Road 
MX100J 1982 100 MX100 Off-Road 
MX100K 1983 100 MX100 Off-Road 
RT100A 1990 100 RT100 Off-Road 
RT100B 1991 100 RT100 Off-Road 
RT100D 1992 100 RT100 Off-Road 
RT100E 1993 100 RT100 Off-Road 
RT100F 1994 100 RT100 Off-Road 
RT100K 1998 100 RT100 Off-Road 
RT100L 1999 100 RT100 Off-Road 
RT100M 2000 100 RT100 Off-Road