2023 Triumph Bonneville T120

Problems, recalls and owner-reported issues

Electrical system is the leading concern among 1 owner complaints filed for this model year. This is the 2nd highest complaint count among 3 Bonneville T120 model years with reports.

Complaints by model year
  1. 1
Primary concernElectrical system1 reports · 100% of complaints
Owner complaints1Filed with NHTSA
Recall relationship3 safety recallsNHTSA campaign records

What owners report most often

  1. Electrical system1

Recalls and investigations

  1. Electrical system, alternator/generator/regulatorFeb 11, 2026

    Triumph Motorcycles America, Ltd. is recalling certain 2022-2024 Bonneville T100, Bonneville T120, Bonneville T120 Black, 2024 Bonneville T120 DGR, 2022 Street Twin, Street Scrambler, Street Twin Goldline, Street Scrambler Sandstor, 2023-2024 Speed Twin 900, and Scrambler 900 motorcycles. The wiring between the alternator and main harness connector may short circuit and overheat.

    Overheated wiring increases the risk of a crash or fire.

    Dealers will replace the current 2-piece connector body with a single in-line crimped connector solution for each of the three wires from the alternator assembly, free of charge. Owner notification letters were mailed March 19, 2026. Owners may contact Triumph customer service at 1-678-854-2010. Triumph's number for this recall is SRAN 641. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov February 18, 2026. Motorcycles included in this recall that were previously repaired under recall 24V785 will need to have the new remedy performed.

    Campaign 26V078000 on NHTSA.gov

  2. Electrical system, wiring, connectors/plugs/receptaclesOct 21, 2024

    Triumph Motorcycles America, Ltd. (Triumph) is recalling certain 2022-2024 Bonneville T100, T120, T120 Black, 2022 Triumph Street Scrambler, Street Scrambler Sandstorm, Street Twin, Street Twin Goldline, 2023-2024 Scrambler 900, and Speed Twin 900 motorcycles. The wiring between the alternator and main harness connector may short circuit and overheat.

    Overheated wiring increases the risk of a fire or crash.

    Dealers will install a new wire alignment clip, free of charge. Owner notification letters were mailed November 18, 2024. Owners may contact Triumph customer service at 1-678-854-2010. Triumph's number for this recall is SRAN 627.

    Campaign 24V785000 on NHTSA.gov

  3. Service brakes, hydraulic, foundation components, discMar 6, 2023

    Triumph Motorcycles America, Ltd. (Triumph) is recalling certain 2023 Bonneville T120 and Bonneville T120 Black motorcycles. The left-hand side (LHS) brake disc may be improperly secured and can detach.

    The detachment of the LHS brake disc can reduce brake performance, increasing the risk of a crash.

    Dealers will install a replacement damper and also replace the disc bolts, free of charge. Owner notification letters were mailed March 24, 2023. Owners may contact Triumph's customer service at 1-678-854-2010. Triumph's number for this recall is SRAN 606.

    Campaign 23V146000 on NHTSA.gov

Representative owner complaints: electrical system

1 report, newest first. Show all

  1. Electrical system, Feb 28, 2025

    The contact owns a 2023 Triumph Bonneville T120. The contact received notification of NHTSA Campaign Number: 24V785000 (ELECTRICAL SYSTEM); however, there are no local dealers on the island to repair the recall. The contact stated that there was an abnormal sound coming from the engine while starting the motorcycle. The manufacturer was made aware of the issue but provided no assistance. The failure mileage was approximately 100. Parts distribution disconnect.