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2021 Ktm 790 Adventure R

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

All reported categories

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

Limited mileage data: 0 of 22 reports include usable mileage. There isn’t enough coverage to show a useful chart.

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Engine. Review the 11 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Fuel/propulsion System. Review the 8 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes. Review the 5 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

1 crash reports0 fire reports0 injury reports

Vehicle Speed Control complaints

1 reports
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Mileage unknown · May 11, 2026
Electrical SystemService BrakesVehicle Speed Control

I recently discovered that the brake light does not activate when applying the front brake lever. I became aware of the issue only after noticing that the motorcycle’s cruise control system would no longer engage. Upon researching the cruise control malfunction, I found numerous reports from owners indicating that failed front …

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I recently discovered that the brake light does not activate when applying the front brake lever. I became aware of the issue only after noticing that the motorcycle’s cruise control system would no longer engage. Upon researching the cruise control malfunction, I found numerous reports from owners indicating that failed front or rear brake pressure switches were the root cause. In almost all cases, the faulty brake pressure switch prevented the brake light from functioning properly. Online searches reveal widespread owner reports across multiple model years describing identical failures related to defective brake pressure switches. These failures impact both brake light operation and cruise control functionality. The safety implications are extremely serious. Motorcyclists may unknowingly operate their motorcycles without functioning brake lights, significantly increasing the risk of rear-end collisions. Owners may be completely unaware their brake lights are not functioning. In my case, I only discovered the defect because the cruise control stopped working. Had that not occurred, I may have continued riding without realizing my brake light system had failed. I also found reports indicating that other owners filed complaints with NHTSA and were subsequently contacted regarding dealership repairs facilitated through KTM. This suggests the issue may already be known within the manufacturer and regulatory system. Given the repeated reports across multiple KTM models and years, I respectfully request that NHTSA investigate this defect and issue a safety recall . Brake light failure caused by defective brake pressure switches presents a substantial and potentially life-threatening safety hazard to motorcycle operators and surrounding traffic. Good faith repairs by KTM should be mandated for all owners.

NHTSA ODI #11737074

Official recalls

0

No recalls in this snapshot.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.