2017 Triumph Trophy Se A1 problems, complaints & recalls
Most-reported problem areas: Electrical System (2) · Service Brakes (1) · Power Train (1)
Safety recalls (1)
Engine 2020-03-17 · campaign 20V150000 · 1,585 vehicles
Defect: Triumph Motorcycles America, LTD (Triumph) is recalling certain 2013-2017 Trophy SE A1 and 2013 Trophy SE A1 Launch motorcycles. The ignition switch wiring may be damaged due to the improper routing of the front brake hose, possibly resulting in inoperable headlights or taillights or an engine stall.
Risk: A sudden loss of vehicle lighting or an engine stall increases the risk of a crash.
Fix: Triumph will notify owners, and dealers will inspect and reroute the brake hose, as necessary, free of charge. The recall began April 13, 2020. Owners may contact Triumph customer service at 1-678-854-2010. Triumph's number for this recall is SRAN574.
Service bulletins (103)
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 103 bulletins. Search all of them free at nhtsa.gov.
What owners report
2022-03-28 · Power Train“second gear slips in the shaft drive. upon shifting into second gear and applying throttle, the vehicle will "slip" a "tooth" causing a terrible lurch and an enormous safety issue. this issue has been going on since about 2,000 miles on my 2017 triumph trophy es and is now "out of warranty". people on various newsgroups have been reporting this iss…”
2019-10-06 · Engine · 16,700 mi“this is a continuation of complaint 11266466. i have looked online and found numerous reports of the triumph trophy ignition switch wiring failures, including at least one other complaint made to nhtsa this year (11185821). i have also visited a web site for triumph trophy owners (triumph-trophy.com) and found several discussions of exactly this …”
2019-10-05 · Electrical System · 16,700 mi“earlier today i was riding my 2017 triumph trophy se motorcycle on a city street when the bike suddenly shut off completely in the middle of a left turn. i was able to get to the side of the road and discovered that the engine and all electrical systems would shut of whenever the handle bars were turned to the left. it acts exactly as though i ha…”
2019-06-05 · Electrical System · 21,500 mi“i was backing up my motorcycle (while it was running) and as i turned the handlebars to the right, all electrical shut off (the engine included). this continued to happen every time i turned the handlebars to the right, and got progressively worse, from only happening when turning full right to barely to the right of center, but i was able to make …”
2018-08-07 · Service Brakes · 6,000 mi“i was riding my 2017 triumph trophy se motorcycle on the highway when the pivot bolt that holds the gear shift pedal to the body of the motorcycle sheared off. as a result i was stuck in fifth gear. this is a very dangerous situation for a motorcyclist since there is no way to slow the bike down and then accelerate smoothly from low speed or stop…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.