Service bulletins for the 2021 Triumph Street Twin
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
83 on file from NHTSA, as of 2026-10-19.
By type
By component
| 20733 SVC | 2022-05-31. Service bulletin. ELECTRICAL SYSTEM. Triumph has released diagnostic software version 2022-01 |
|---|---|
| 20680 SVC | 2022-05-31. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Triumph has released Technical Bulletin 222 including 8 subjects across a range of models. |
| SMT-COM01-13APRI | 2022-05-23. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Dealer notice announcing the availability of Diagnostic software 2022-03.1 and dealers should begin using it immediately. |
| SMTCOM01 | 2022-04-25. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; UNKNOWN OR OTHER. Dealer notice announcing the availability of Diagnostic software 2022-02 and dealers should begin using it immediately. |
| SMTCOM0118 | 2022-02-14. Service bulletin. EQUIPMENT; UNKNOWN OR OTHER. Dealer notice announcing the availability of new service tools that will be shipped automatically. |
| SB529 | 2022-02-01. Service bulletin. EQUIPMENT:ELECTRICAL:ANTENNA; UNKNOWN OR OTHER. Internal investigations have identified a need to reroute and secure the immobiliser antenna cable in the headstock area to prevent potential cable damage. |
| SMT-SB589-18MAY2 | 2021-06-14. Service bulletin. FUEL SYSTEM, GASOLINE. Service Bulletin 589 addresses the dealers to realign the clip on the fuel hose. |
| SMT-COM05-18MAY2 | 2021-06-14. Service bulletin. EQUIPMENT. Dealer notice announcing the availability of Service Bulletin 589. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.