Service bulletins for the 2024 Triumph Speed 400
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.
70 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Transmission and driveline are shown. Show all
| SB638 | 2026-01-05. Service bulletin. POWER TRAIN. Service Bulletin 638 advises dealers to measure and replace the camshaft drive chain tensioner. |
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| COM3 - 32748 | 2026-01-05. Service bulletin. POWER TRAIN. Dealer notice announcing the availability of Service Bulletin 638. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.