Triumph TF 450-RC, TF 450-X +2 more: Powertrain

Affects Triumph TF 450-RC, TF 450-X, TF 450-C, TF 450-E · 2025–2026 — about 171 vehicles.

The hazard

Issue: On certain motorcycles, a problem inside the engine could cause it to stall while riding. Safety Risk: A sudden loss of engine power could increase the risk of a crash. Corrective Actions: Triumph will notify owners by mail and advise you to take your motorcycle to a dealership to replace the cylinder head.

What to do

Contact your dealer; the remedy details were not included in the filing.

Critical — crash/injury risk now High — injury risk; see remedy Moderate — fix at next service Low — minor / informational