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 inside the right side electrical controls housing. This grip is constructed of flimsy plastic. There are many instances of the same thing happening to other riders as evidence by forum posting such as this; http://www.triumphrat.net/thunderbird-cruiser-chat/183312-busted-throttle.html I consider this a design defect in the selection of materials for this safety critical application.
The worst 2012 Triumph Thunderbird problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
- Acceleration1
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
- Acceleration1
Recalls 1
Wheels
- What is wrong
- 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.
- Remedy
- 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.
Recall number 13V032000 · Recall details
Technical service bulletins for the 2012 Triumph Thunderbird 97
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Dealer notice announcing the availability of Daignostic software and dealers should begin using it...
- Dealer notice advising to check for an immobiliser software update before replacing any TPMS components on...
- Dealer notice announcing the availability of Triumph Diagnostic Tool 2026-07 and dealers should begin...
- Dealer notice announcing the availability of Triumph Diagnostic Tool 2026-06.1 and dealers should begin...
- Dealer notice announcing the availability of Technical Bulletin 264.
- Dealer notice announcing the availability of Triumph Diagnostic Tool version 2026-06 and dealers should...
- Technical Bulletin 264 provides instructions that relates to: Triumph Diagnostic Tool
- Dealer notice advising the availalbility of TDT version 2026-05.2 which resolves the ABS as Not Connected...
- Dealer notice announcing the availability of Diagnostic software 2026-05.1 and dealers should begin using...
- Dealer notice reminding of Motorcycle Cleaning, prohibited use of High-Pressure & Steam Cleaning equipment.
What 2012 Triumph Thunderbird owners say
Most recent owner complaints, unedited.
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Questions about the 2012 Triumph Thunderbird
Is the 2012 Triumph Thunderbird reliable?
Owners have filed 1 complaint about the 2012 Triumph Thunderbird, fewer than a typical Thunderbird model year.
What is the most common problem with the 2012 Triumph Thunderbird?
Acceleration and speed control, with 1 complaint.
How many recalls does the 2012 Triumph Thunderbird have?
1 recall, covering wheels.
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