Here are some of the models and years that this chain will fit: (please check that it is correct for your individual application)
CB650 80-81
CB650C Custom 80-81
CB650SC Nighthawk 1982
Suzuki
GT380 72-77
Yamaha
SR500 78-82
XJ550 Maxim 81-83
XJ550R Seca 1981
XJ550R Seca 82-83
FZ600 86-88