2012 Triumph Thunderbird problems, complaints & recalls
Most-reported problem areas: Vehicle Speed Control (1)
Safety recalls (1)
Wheels 2013-01-29 · campaign 13V032000 · 250 vehicles
Defect: Triumph Motorcycles (Triumph) is recalling certain model year 2011-2012 Daytona 675 and Street Triple motorcycles and 2012 Thunderbird and Thunderbird Storm motorcycles. The wheels were assembled with bearings of an unknown quality.
Risk: Wheel bearings of poor quality could fail unexpectedly, increasing the risk of a motorcycle crash.
Fix: Triumph will notify owners, and dealers will replace the affected bearings free of charge. Owners may contact Triumph at 1-678-854-2010 for more information.
Service bulletins (95)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Electrical System 2026-09-22 · COM2_35786 · Service Bulletin/Repair Instructions
dealer notice announcing the availability of daignostic software and dealers should begin using it immediately.
Electrical System 2026-07-14 · COM1-35109 · Service Bulletin/Repair Instructions
dealer notice announcing the availability of triumph diagnostic tool 2026-07 and dealers should begin using it immediately.
Electrical System 2026-06-23 · COM2 - 34886 · Service Bulletin/Repair Instructions
dealer notice announcing the availability of triumph diagnostic tool 2026-06.1 and dealers should begin using it immediately.
Electrical System 2026-05-19 · COM6 - 34491 · Service Bulletin/Repair Instructions
dealer notice announcing the availability of triumph diagnostic tool version 2026-06 and dealers should begin using it immediately.
Unknown Or Other 2026-05-19 · COM5 - 34490 · Service Bulletin/Repair Instructions
dealer notice announcing the availability of technical bulletin 264.
Unknown Or Other 2026-05-18 · TB264 · Service Bulletin/Repair Instructions
technical bulletin 264 provides instructions that relates to: triumph diagnostic tool - new motorcycle connection and diagnostics workflow, triumph diagnostic tool - end of support for microsoft windows 10.
Showing the 6 most recent of 95 bulletins. Search all of them free at nhtsa.gov.
What owners report
2013-12-05 · Vehicle Speed Control · 3,640 mi“while riding home in rush hour traffic the heated throttle grip suddenly broke causing the engine to drop immediately to idle. i had to quickly take evasive maneuvers to avoid causing an accident as other vehicles on the road were not expecting my motorcycle to suddenly slow to a stop. the grip broke where the throttle cable attaches to the grip in…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.