Service bulletins for the 2021 Triumph Speed 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.
84 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Electrical system are shown. Show all
| SMT-COM03 | 2023-05-30. Service bulletin. ELECTRICAL SYSTEM. Dealer notice announcing the availability of Diagnostic software 2023-02 and dealers should begin using it immediately. |
|---|---|
| SMT-COM05 | 2023-02-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Dealer notice announcing the availability of Diagnostic software 2022-08.1 and dealers should begin using it immediately. |
| SMT-COM04 | 2023-02-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Dealer notice announcing the availability of Diagnostic software 2022-08 and dealers should begin using it immediately. |
| SMTCOM04 | 2023-02-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Dealer notice announcing the availability of Diagnostic software 2022-07 and dealers should begin using it immediately. |
| Technical Bullet | 2023-01-03. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Dealer notice announcing the availability of Diagnostic software 2022-11.1 and dealers should begin using it immediately. |
| 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. |
| SMT-COM03-11MAY2 | 2021-06-14. Service bulletin. ELECTRICAL SYSTEM. Dealer notice informing that the Apple iPhone handsets will have limited functionality with the My Triumph Connectivity System on the listed model. An instrument software update will be available soon that will fix this issue. |
| SMT-COM06-20APRI | 2021-05-24. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT. Dealer notice providing more information on the new technology LiOn battery that comes equipped on the listed model. |
| SMT-TB216-09APRI | 2021-05-24. Service bulletin. ELECTRICAL SYSTEM. Technical Bulletin 216 provides instructions that applies to Electronic Systems Commissioning and Motorcycle Unlocking. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.