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KTM 390 Adventure R problems

Owners have filed 25 complaints about the KTM 390 Adventure R with NHTSA across model years 2025 to 2026. More of them are about the electrical system than anything else.

Every KTM 390 Adventure R year, graded

The grade compares each year against the rest of this model's own run — never against another car. Click any bar or row to open that year's report.

22 3
25 26
Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded
Year Grade Complaints Crashes Fires Median miles Most reported
2026 — 3 0 0 — Electrical System
2025 — 22 3 0 — Engine & Cooling

What breaks on a KTM 390 Adventure R

Across every model year on file. Follow a row for that part's complaints and the year it was worst.

Electrical System 7 28.0%

Worst in 2025

Engine & Cooling 6 24.0%

Worst in 2025

Fuel & Propulsion 4 16.0%

Worst in 2025

Lights 3 12.0%

Worst in 2025

Body & Structure 2 8.0%

Worst in 2025

Acceleration & Cruise Control 2 8.0%

Worst in 2025

Other & Unspecified 1 4.0%

Worst in 2025

Complaints filed over time

Every complaint about every KTM 390 Adventure R, by the month it reached NHTSA.

Aug 2025 peak 9 Sep 2026

Compare the KTM 390 Adventure R

Side by side on complaint history. Remember that raw totals track how many were sold as much as how good they were.

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