Suzuki GS1100S parts for repair and restoration
Contemporary 1983 coverage identifies the Suzuki GS1100S as a Katana; Suzuki history uses GSX1100S for its earlier Katana. If you have a 1982 machine, confirm its market and complete model code before choosing parts. Year coverage differs by component.
Drive chain
The 630HT × 96 rear chain is shown for GS1100S 1982–1983 and sold individually. For a 1982 Katana, confirm the complete model and market code first, then check the chain series, link count, master-link style and sprockets on your bike.
Clutch plate
The 39-1251 clutch plate covers GS1100S 1983, replaces Suzuki reference 21441-49210 and is sold individually. Identify the plate type and quantity needed for your clutch stack.
Valve-cover gasket
The 12-3020 valve-cover gasket covers GS1100S 1983 and is sold individually. It replaces Suzuki reference 11173-49224-H17; match the cover outline and bolt pattern before ordering.
Choosing parts for your GS1100S
Identify the Katana: Contemporary sources identify the 1983 GS1100S as a Katana. For a 1982 machine, check the complete model and market code; do not assume GS1100S and GSX1100S are interchangeable designations.
Check the chain: The 630HT × 96 chain is shown for GS1100S 1982–1983. For a 1982 Katana, confirm the full model code, chain series, link count, master-link style and sprockets on your motorcycle.
Match the 1983 engine parts: The 39-1251 clutch plate and 12-3020 valve-cover gasket cover GS1100S 1983. Match each reference and shape to the fitted part before ordering.
Model and parts references: Suzuki GS1100S 1983 parts fiche; 1983 Suzuki GS1100S Katana road test; Suzuki GSX1100S Katana history.
Building a custom GS1100S?
For a custom GS1100S build, browse universal handlebars and grips or mirrors and adaptors. Verify clamp fit, control reach, mirror threads and steering clearance on the motorcycle. Universal accessories can require modification.
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Suzuki GS1100S Parts questions
How do I identify a 1982 Katana before ordering parts?
Suzuki sources identify the GS1100S Katana in 1983 and use GSX1100S for an earlier Katana. Check the frame or market code on your motorcycle; do not assume the two model codes mean the same application.
Which chain fits the Suzuki GS1100S?
The 630HT × 96 rear chain is shown for GS1100S 1982–1983 and sold individually. If your Katana is a 1982, confirm the full model code and compare the fitted chain and sprockets before ordering.
Is the GS1100S clutch plate sold as a set?
No. The 39-1251 clutch plate is sold individually and covers GS1100S 1983. Check the clutch stack and order the number of plates needed.
Which year does the GS1100S valve-cover gasket cover?
The 12-3020 gasket covers GS1100S 1983 and replaces Suzuki reference 11173-49224-H17. Match the reference and cover shape before ordering.