The contact owns a 2026 Harley-Davidson FLHX. The contact stated that while riding the motorcycle at approximately 20 MPH, the engine throttle suddenly revved. The contact pulled the throttle and pressed the brake to stop the motorcycle, but the motorcycle accelerated forward and crashed into the rear of the vehicle ahead. The contact was thrown from the motorcycle and landed on the curb. The Police and Emergency Services were called to the scene, and the contact was transported to the hospital nearby. The contact sustained lacerations to the head, left wrist, and left knee. The contact remained hospitalized for five days. A Police report was filed at the scene, and the motorcycle was towed away. The cause of the failure was not yet determined. The manufacturer and local dealer were notified of the crash. The contact stated that prior to the crash, the motorcycle had received a software update associated with the throttle failure. During the first failure, the clutch was applied, and the motorcycle was in neutral, then went into gear 1; the display indicated that the tires needed air and the turn signals failed to turn off. The failure mileage was 100.
The worst 2026 Harley-Davidson FLHX problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
- Acceleration1
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
- Acceleration1
Recalls 2
Engine and engine cooling: engine: engine control module (ecu/ECM)
- What is wrong
- Harley-Davidson Motor Company (Harley-Davidson) is recalling certain 2026 FLHXLSE, FLTRXSTSE, FLHXSTSE, FLHXSE, FLHXL, FLTRXP, FLTRX, FLTRXL, and FLHX motorcycles. The engine control module (ECM) may communicate the incorrect gear position of neutral when the transmission is actually in gear.
- Risk
- The motorcycle can experience unintended forward motion, increasing the risk of an injury.
- Remedy
- Dealers will replace the gear position sensor, free of charge. Owner notification letters are expected to be mailed November 16, 2026. Owners may contact Harley-Davidson customer service at 1‑800‑258‑2464. Vehicle Identification Numbers (VINs) involved in this recall became became searchable on on November 6, 2025. Harley-Davidson's number for this recall is 0194.
Recall number 26V730000 · Recall details
Engine and engine cooling: exhaust system: emission control: crankcase (PCV)
- What is wrong
- Harley-Davidson Motor Company (Harley-Davidson) is recalling certain 2024-2026 FLTRX, FLHX, 2025-2026 FXBR, FLFB, 2025 FLHXU, 2026 FLTRXL, FLTRT, FLHXL, and FLHLT motorcycles built with an Airbox Baseplate (part number 29000373). The airbox backplate breather port may be blocked, allowing pressure to build up inside the crankcase.
- Risk
- When the dipstick is removed while the crankcase is pressurized, oil may eject from the fill spout, increasing the risk of injury.
- Remedy
- Dealers will inspect the breather port, and if the port is blocked, repair the blockage, free of charge. Owner notification letters were mailed May 14, 2026. Owners may contact Harley-Davidson customer service at 1‑800‑258‑2464. Vehicle Identification Numbers (VINs) involved in this recall became searchable on April 16, 2025. Harley-Davidson's number for this recall is 0193.
Recall number 26V270000 · Recall details
Technical service bulletins for the 2026 Harley-Davidson FLHX 18
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Digital technician II - updates and release notes
- 2023 to 2026 center-cooled touring license plate light holder.
- Digital technician II - updates and release notes
- Digital technician II - updates and release notes
- Skyline os version 5057D software update
- Digital technician II - updates and release notes
- Exhaust smoke, oil carry-over or milky oil (M8 models with transmission-mounted breather)
- Skyline os version 5057D software update
- Digital technician II - updates and release notes
- Aftermarket exhaust header debris
What 2026 Harley-Davidson FLHX owners say
Most recent owner complaints, unedited.
Compare the 2026 Harley-Davidson FLHX
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Questions about the 2026 Harley-Davidson FLHX
Is the 2026 Harley-Davidson FLHX reliable?
Owners have filed 1 complaint about the 2026 Harley-Davidson FLHX, fewer than a typical FLHX model year.
What is the most common problem with the 2026 Harley-Davidson FLHX?
Acceleration and speed control, with 1 complaint.
How many recalls does the 2026 Harley-Davidson FLHX have?
2 recalls, covering engine and engine cooling.
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