SUZUKI GS650M Katana 1983. SUZUKI XN85 Turbo 1983. SUZUKI GS1000S Katana 1982. Genuine NOS Suzuki OEM Part. This original OEM Suzuki cam chain is a NOS (New Old Stock) item, in the original Suzuki packaging. The cam chain is used in multiple model applications & has 120 links. For cross reference purposes the Suzuki part number. Will fit the following model range. SUZUKI GS1100S Katana 1983.