The contact owns a 2020 Triumph Bonneville T120 Black. The contact stated while the motorcycle was idling, the handlebars felt extremely hot to the touch before the motorcycle shut off. In addition, the headlights had overheated and melted. No warning light was illuminated. The local dealer was contacted, but the motorcycle was not diagnosed or repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 3,000.
The worst 2020 Triumph Bonneville T120 Black problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
- Electrical1
- Steering1
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
- Electrical1
- Steering1
Recalls
No recalls on record for this model year.
Technical service bulletins for the 2020 Triumph Bonneville T120 Black 86
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.
See all 86 bulletins for the 2020 Triumph Bonneville T120 Black
What 2020 Triumph Bonneville T120 Black owners say
Most recent owner complaints, unedited.
Compare the 2020 Triumph Bonneville T120 Black
Other model years
20162020
Questions about the 2020 Triumph Bonneville T120 Black
Is the 2020 Triumph Bonneville T120 Black reliable?
Owners have filed 1 complaint about the 2020 Triumph Bonneville T120 Black, close to a typical Bonneville T120 Black model year.
What is the most common problem with the 2020 Triumph Bonneville T120 Black?
Electrical system, with 1 complaint. Next is steering (1).
How many recalls does the 2020 Triumph Bonneville T120 Black have?
No recalls on record.
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