2025 Triumph Daytona 660

Problems, recalls and owner-reported issues

Engine and engine cooling is the leading concern among 3 owner complaints filed for this model year.

Primary concernEngine and engine cooling2 reports · 67% of complaints
Owner complaints3Filed with NHTSA
Recall relationship1 safety recallNHTSA campaign records

What owners report most often

  1. Engine and engine cooling2
  2. Engine1

Recalls and investigations

  1. Engine and engine cooling, engine, oil/lubricationAug 19, 2025

    Triumph Motorcycles America, Ltd. (Triumph) is recalling certain 2024-2025 Daytona 660 motorcycles. The engine may fail due to internal damage from a disruption of oil flow.

    Engine failure increases the risk of a crash.

    Dealers will increase the engine oil capacity and install a redesigned dipstick, free of charge. Owner notification letters were mailed September 10, 2025. Owners may contact Triumph customer service at 1-678-854-2010. Triumph's number for this recall is SRAN 640.

    Campaign 25V531000 on NHTSA.gov

Representative owner complaints: engine and engine cooling

2 reports, newest first. Show all

  1. Engine and engine cooling, Apr 27, 2026

    The contact owns a 2025 Triumph Daytona 660. The contact received notification of NHTSA Campaign Number: 25V531000 (Engine and Engine Cooling); however, the part to do the recall repair was not yet available. The local dealer was contacted, but the vehicle was not repaired. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the issue. The contact had not experienced a failure.

  2. Engine and engine cooling, Sep 16, 2025

    The contact owns a 2025 Triumph Daytona 660. The contact stated that while driving 70 MPH, the vehicle experienced a loss of automotive power. There was no warning light illuminated. The contact pulled over, and the vehicle was towed to a local dealer where it was diagnosed, and the contact was informed that the failure could not be duplicated. The vehicle was not repaired. The contact referenced NHTSA Campaign Number: 25V531000 (ENGINE AND ENGINE COOLING); as a possible cause for the failure. The manufacturer was not notified of the failure. The approximate failure mileage was 4,163.