2017 Triumph Street Cup problems, complaints & recalls
Most-reported problem areas: Fuel/Propulsion System (1) · Electrical System (1)
Safety recalls (2)
Electrical System:wiring 2019-02-27 · campaign 19V133000 · 12,654 vehicles
Defect: 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.
Fix: 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.
Exterior Lighting:hazard Flashing Warning Lights 2017-07-03 · campaign 17V426000 · 636 vehicles
Defect: Triumph Motorcycles America, LTD (Triumph) is recalling certain 2017-2018 Triumph Street Cup motorcycles. The wiring harness for the hazard warning lights may be pulled and strained during normal steering action.
Risk: The pulled wires may cause the wires to pull loose from the connector resulting in a loss of the hazard warning lights, reducing the motorcycles visibility when hazard warning lights are wanted, increasing the risk of a crash.
Fix: Triumph will notify owners, and dealers will extend the wiring length by installing a supplemental harness, free of charge. The recall began July 18, 2017. Owners may contact Triumph customer service at 1-678-854-2010. Triumph's number for this recall is Safety Recall 549.
Service bulletins (123)
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 123 bulletins. Search all of them free at nhtsa.gov.
What owners report
2024-05-02 · Unknown Or Other“kick stand spring came off of the bike. kick stand was dragging and engine ignition was cut off by the safety switch. i lost control of the bike mid-turn d/t wheel rear drag. i did not crash d/t decades of riding experience., but did leave my traffic lane. examination of the vehicle showed inadequate spring retention tabs that were badly worn. …”
2021-06-24 · Electrical System“my bike started to have some problems while riding, especially when turning right the engine will just cut off so i stopped riding because it was kind of scary. the bike did not start at all unless the handlebar was turned all the way to the left only, trying over and over, it looks like there is a short just like the recall. i was finally able t…”
2018-09-07 · Fuel/Propulsion System · 2,087 mi“the oem locking fuel cap does not tighten securely. i was riding at highway speed 44.8 miles and two days after filling with gasoline. the fuel cap came off and i was soaked with gasoline. fortunately i was going fast enough the fuel did not get on the exhaust, just my clothing. had the fuel vapors ignited from the hot exhaust, i would have been e…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.