When downshifting from 3rd gear, the transmission frequently bypasses 2nd gear and goes into neutral. This is true neutral, not a false neutral, as the neutral light comes on in the instrument panel. This situation is very dangerous and could lead to loss of control of the motorcycle. When downshifting from 3rd gear, the expectation is the motorcycle will be in 2nd gear when the clutch is released. When this problem occurs, a loss of control can occur when the motorcycle does not slow as expected, potentially leading a rider to overshoot a corner, intersection, etc. This problem can occur whenever the motorcycle is in motion and attempting to downshift from 3rd gear to 2nd gear. This has happened numerous times since I bought the bike in 2019. When I brought the bike in for this concern, two different times, the dealer couldn't find anything wrong.
The worst 2015 Triumph Trophy SE A1 problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
- Transmission2
Problems by type
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- Transmission2
Recalls 1
Electrical system: wiring
- What is wrong
- 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.
- Remedy
- 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.
Recall number 20V150000 · Recall details
Technical service bulletins for the 2015 Triumph Trophy SE A1 104
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 2015 Triumph Trophy SE A1 owners say
Most recent owner complaints, unedited.
When downshifting from 3rd gear, the transmission frequently bypasses 2nd gear and goes into neutral. This is true neutral, not a false neutral, as the neutral light comes on in the instrument panel. Some online research indicates this is a common problem with triumph trophy and tiger 1200cc models as evident by these two user group threads: http://www.tiger-explorer.com/index.php?topic=8177.0 http://www.triumph-trophy.com/index.php/topic,4740.8.html this situation is very dangerous and could lead to loss of control of the motorcycle. When downshifting from 3rd gear, the expectation is the motorcycle will be in 2nd gear when the clutch is released. When this problem occurs, a loss of control can occur when the motorcycle does not slow as expected, potentially leading a rider to overshoot a corner, intersection, etc. This problem can occur whenever the motorcycle is in motion and attempting to downshift from 3rd gear to 2nd gear.
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Questions about the 2015 Triumph Trophy SE A1
Is the 2015 Triumph Trophy SE A1 reliable?
Owners have filed 2 complaints about the 2015 Triumph Trophy SE A1, close to a typical Trophy SE A1 model year.
What is the most common problem with the 2015 Triumph Trophy SE A1?
Transmission and drivetrain, with 2 complaints.
How many recalls does the 2015 Triumph Trophy SE A1 have?
1 recall, covering electrical system.
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