With full tank of gas and quick stops and starts gas spills from the tank. It's impossible to make the tank any tighter. Gasket is in place.
The worst 2017 Triumph Bonneville T100 problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
- Fuel system1
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
- Fuel system1
Recalls 1
Electrical system: wiring
- What is wrong
- Triumph Motorcycles America, LTD (Triumph) is recalling certain 2016-2019 Bonneville T120 and Bonneville T120 Black, 2017-2019 Bonneville T100 and T100 Black, 2017-2018 Street Cup and Street Scrambler, and 2016-2018 Street Twin motorcycles. The clutch cable may contact the main harness cover and cause damage to wiring within the main harness. This may lead to a loss of electrical power to various electrical circuits.
- Risk
- Loss of electrical power may cause the headlight or indicator lighting to malfunction or the engine to stall, increasing the risk of a crash.
- Remedy
- Triumph will notify owners, and dealers will replace the original securing guide for the clutch cable and main harness with an updated one, free of charge. The recall began March 27, 2019. Owners may contact Triumph customer service at 1‑678‑854‑2010. Triumph's number for this recall is SRAN560.
Recall number 19V133000 · Recall details
Technical service bulletins for the 2017 Triumph Bonneville T100 122
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 2017 Triumph Bonneville T100 owners say
Most recent owner complaints, unedited.
Compare the 2017 Triumph Bonneville T100
Other model years
Questions about the 2017 Triumph Bonneville T100
Is the 2017 Triumph Bonneville T100 reliable?
Owners have filed 1 complaint about the 2017 Triumph Bonneville T100, close to a typical Bonneville T100 model year.
What is the most common problem with the 2017 Triumph Bonneville T100?
Fuel and propulsion system, with 1 complaint.
How many recalls does the 2017 Triumph Bonneville T100 have?
1 recall, covering electrical system.
VIN decoder
See the problems and recalls for an exact car
Buying a used 2017 Triumph Bonneville T100?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history