Service bulletins for the 2025 Triumph Trident 660
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.
47 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Transmission and driveline are shown. Show all
| TU2_29450 | 2024-12-19. Service bulletin. POWER TRAIN. Technical update advising dealers that if the battery has been disconnected then Triumph Shift Assist (TSA) will be disabled and provides instructions on how to enable TSA. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.