2023 TRIUMPH BONNEVILLE T120
3 recalls — 1 complaints — 28 TSBs
26V078000 Feb 11, 2026
ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
Defect Description
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... Read more
Consequence
Overheated wiring increases the risk of a crash or fire.
Remedy
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. Tri... Read more
24V785000 Oct 21, 2024
ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS/RECEPTACLES
Defect Description
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 ... Read more
Consequence
Overheated wiring increases the risk of a fire or crash.
Remedy
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.
23V146000 Mar 6, 2023
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC
Defect Description
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.
Consequence
The detachment of the LHS brake disc can reduce brake performance, increasing the risk of a crash.
Remedy
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.
Complaint Statistics
1 total complaints
Top Reported Components
| Component | Complaints |
|---|---|
| ENGINE | 1 |
ENGINE
Feb 28, 2025
Incident date: Oct 19, 2024
While operating my 2015 Hyundai ELANTRA, the engine cuts out.. it just stalls out of nowhere without any signs or warnings its about to happen. As well as approximately 50% of the time the engine stalls the power steering also stops working. At this point I have to coast to the side of the road, put... Read more
Technical Service Bulletins — 2023 TRIUMPH BONNEVILLE T120
28 manufacturer communications from 20 unique bulletins. TSBs describe known problems and recommended fixes from the manufacturer.
Most Affected Components
| Component | Bulletins |
|---|---|
| 118000 ELECTRICAL SYSTEM:SOFTWARE | 10 |
| 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL | 5 |
| 110000 ELECTRICAL SYSTEM | 4 |
| 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM) | 2 |
| 280100 BACK OVER PREVENTION:SOFTWARE | 2 |
| 353000 EQUIPMENT:ELECTRICAL | 2 |
| 071100 FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY | 1 |
| 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM | 1 |
SMT-COM-01
Apr 3, 2024
118000 ELECTRICAL SYSTEM:SOFTWARE
Dealer notice announcing the availability of Diagnostic software 2024-03 and dealers should begin using it immediately.
SMT-COM-04
Mar 25, 2024
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Dealer notice announcing the availability of Service Bulletin 615.
SMT-SB-615
Mar 25, 2024
110000 ELECTRICAL SYSTEM
Service Bulletin 615 instructs dealers to to fit a new wire alignment clip that has been introduced for the wires entering the female connector of the alternator lead.
SMT-SB-615
Mar 25, 2024
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Service Bulletin 615 instructs dealers to to fit a new wire alignment clip that has been introduced for the wires entering the female connector of the alternator lead.
SMT-COM-02
Mar 18, 2024
118000 ELECTRICAL SYSTEM:SOFTWARE
Dealer notice announcing the availability of Diagnostic software 2024-04 and dealers should begin using it immediately.
Parts
Feb 15, 2024
118000 ELECTRICAL SYSTEM:SOFTWARE
Dealer notice announcing the availability of Diagnostic software 2024-02 and dealers should begin using it immediately.
SMTCOM01
Jan 17, 2024
118000 ELECTRICAL SYSTEM:SOFTWARE
Dealer notice announcing the availability of Diagnostic software 2024-01 and dealers should begin using it immediately.
SMT-COM03
Dec 23, 2023
110000 ELECTRICAL SYSTEM
Dealer notice announcing the availability of Diagnostic software 2023-08 and dealers should begin using it immediately.
SMT-COM01
Dec 10, 2023
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Dealer notice announcing the availability of Diagnostic software 2023-06 and dealers should begin using it immediately.
SMT-COM03
Jun 4, 2023
110000 ELECTRICAL SYSTEM
Dealer notice announcing the availability of Diagnostic software 2023-02 and dealers should begin using it immediately.
SMT-TB230
Jun 4, 2023
110000 ELECTRICAL SYSTEM
Technical Bulletin 230 provides instructions that applies to Electronic Systems Commissioning and Motorcycle Unlocking, Introduction of New Instrument Hardware, Triumph Diagnostic Tool 2023-02 Update - Calibrations Removed From Service and
SMT-COM03
May 22, 2023
118000 ELECTRICAL SYSTEM:SOFTWARE
Dealer notice advising of a bug notification affecting calibration download function on certain systems.
SMT23891
Mar 20, 2023
280100 BACK OVER PREVENTION:SOFTWARE
Dealer notice announcing the availability of Diagnostic software 2023-01.3 and dealers should begin using it immediately.
SMT-COM01
Mar 5, 2023
118000 ELECTRICAL SYSTEM:SOFTWARE
Dealer notice announcing the availability of Diagnostic software 2023-02.1 and dealers should begin using it immediately.
SMT-COM02
Mar 4, 2023
280100 BACK OVER PREVENTION:SOFTWARE
Dealer notice announcing the availability of Diagnostic software 2023-02 and dealers should begin using it immediately.
Technical Bullet
Nov 19, 2022
118000 ELECTRICAL SYSTEM:SOFTWARE
Dealer notice announcing the availability of Diagnostic software 2022-11.1 and dealers should begin using it immediately.
SMT-COM05
Jul 22, 2022
118000 ELECTRICAL SYSTEM:SOFTWARE
Dealer notice announcing the availability of Diagnostic software 2022-08.1 and dealers should begin using it immediately.
SMT-COM04
Jul 20, 2022
118000 ELECTRICAL SYSTEM:SOFTWARE
Dealer notice announcing the availability of Diagnostic software 2022-08 and dealers should begin using it immediately.
SMT-COM01
Jul 13, 2022
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Dealer notice reminding of the new California Prop 65 regulation.
SMT-COM01
Jul 13, 2022
063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
Dealer notice reminding of the new California Prop 65 regulation.
SMTCOM06
Jun 30, 2022
060000 ENGINE AND ENGINE COOLING
For all motorcycles fitted with screw-on type reservoir caps, dealers are advised to ensure that the cap is correctly tightened with all reservoir elements seated correctly.
SMTCOM06
Jun 30, 2022
071100 FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY
For all motorcycles fitted with screw-on type reservoir caps, dealers are advised to ensure that the cap is correctly tightened with all reservoir elements seated correctly.
SMTTB225
Jun 21, 2022
061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
Technical Bulletin 225 provides instructions that applies to Triumph Diagnostic Tool 2022-07 Update - ECM Status Report Feature - Beta A, Triumph Diagnostic Tool 2022-07 Update - Introduction of New Headlight ECM Hardware, Triumph Diagnosti
SMTCOM04
Jun 21, 2022
118000 ELECTRICAL SYSTEM:SOFTWARE
Dealer notice announcing the availability of Diagnostic software 2022-07 and dealers should begin using it immediately.
SMTTB225
Jun 21, 2022
061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
Technical Bulletin 225 provides instructions that applies to Triumph Diagnostic Tool 2022-07 Update - ECM Status Report Feature - Beta A, Triumph Diagnostic Tool 2022-07 Update - Introduction of New Headlight ECM Hardware, Triumph Diagnosti
SMTCOM03
Jun 21, 2022
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Dealer notice announcing the availability of Technical Bulletin 225.
22714
Apr 11, 2022
353000 EQUIPMENT:ELECTRICAL
Dealer notice announcing the availability of Diagnostic software 2022-11 and dealers should begin using it immediately.
22651
Jan 11, 2022
353000 EQUIPMENT:ELECTRICAL
Dealer notice announcing the availability of Diagnostic software 2022-10 and dealers should begin using it immediately.
TRIUMPH BONNEVILLE T120 — All Years Overview
Complete safety history for the TRIUMPH BONNEVILLE T120 across all model years (2022–2024).
7
Total Recalls
2
Total Complaints
0
Investigations
0
Reported Crashes
0
Reported Fires
0
Reported Deaths