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: Equipment and accessories are shown. Show all
| SMT-COM01 | 2023-12-11. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Dealer notice announcing the availability of Diagnostic software 2023-06 and dealers should begin using it immediately. |
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| SMT-COM01 | 2023-02-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Dealer notice reminding of the new California Prop 65 regulation. |
| SMTCOM03 | 2023-02-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Dealer notice announcing the availability of Technical Bulletin 225. |
| 22714 | 2023-01-03. Service bulletin. EQUIPMENT:ELECTRICAL. Dealer notice announcing the availability of Diagnostic software 2022-11 and dealers should begin using it immediately. |
| 22651 | 2023-01-03. Service bulletin. EQUIPMENT:ELECTRICAL. Dealer notice announcing the availability of Diagnostic software 2022-10 and dealers should begin using it immediately. |
| SMTCOM03 | 2022-09-26. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Dealer notice announcing the availability of Technical Bulletin 225. |
| 20757 SVC | 2022-05-31. Service bulletin. EQUIPMENT. New tools are required for technicians to complete all required work on new Triumph models. |
| 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-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-COM05-19APRI | 2021-05-24. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Dealer notice announcing the availability of new service tools for the listed model. |
| SMT-COM02-09APRI | 2021-05-24. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Dealer notice announcing the availability of Technical Bulletin 216 & 217. |
| SMT-COM04-27JANU | 2021-02-22. Service bulletin. SERVICE BRAKES; EQUIPMENT. Dealer notice announcing the availability of a new service tool for the listed model. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.