2022-2025 KTM 390 Duke Problems: 3 Known Issues
2022-2025 model years · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated October 2026
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Preview the XT6 exampleAccording to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2022-2025 KTM 390 Duke has 3 documented known issues, with 3 rated critical. The most serious are Faulty ECU programming causes engine stall at low RPM on the 2024+ third-generation bike - NHTSA recall 25V825 ($0-$0 repair), Ride-by-wire e-throttle moisture ingress causes throttle failure and forced idle - NHTSA recall 26V196 (expansion of 25V598) ($0-$0 repair) and Fuel tank cap seal cracks and leaks fuel - model year 2024 global recall ($0-$0 repair).
All 3 Known Issues
NHTSA Recalls3 recalls
FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP
KTM North America, Inc. is recalling certain 2024 390 Duke, 250 Duke, 990 Duke, Husqvarna Vitpilen 401, and Husqvarna Svartpilen 401 motorcycles. The seal on the fuel filler cap may develop cracks and leak fuel.
ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE
KTM North America, Inc. (KTM) is recalling certain 2024 Husqvarna Vitpilen 401, Husqvarna Svartpilen 401, 2024-2025 390 Duke, 2025 390 SMC R, 390 Enduro R, 390 Adventure X, and 390 Adventure R motorcycles. The engine control software may cause the engine to stall at low rpms, resulting in a loss of power.
VEHICLE SPEED CONTROL:THROTTLE
KTM North America, Inc. is recalling certain 2022-2023 390 Duke and 2022-2024 RC 390 motorcycles. Water may enter the throttle (e-throttle) control unit and cause it to fail, resulting in loss of drive power while riding.
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Frequently Asked Questions
What are the most common KTM 390 Duke problems?
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2022-2025 KTM 390 Duke has 3 documented issues. The most frequently reported are: Faulty ECU programming causes engine stall at low RPM on the 2024+ third-generation bike - NHTSA recall 25V825, Ride-by-wire e-throttle moisture ingress causes throttle failure and forced idle - NHTSA recall 26V196 (expansion of 25V598), Fuel tank cap seal cracks and leaks fuel - model year 2024 global recall. Of these, 3 are rated critical and should be addressed promptly.
Is the KTM 390 Duke reliable?
The 2022-2025 KTM 390 Duke has 3 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 3 issues are rated critical: Faulty ECU programming causes engine stall at low RPM on the 2024+ third-generation bike - NHTSA recall 25V825 and Ride-by-wire e-throttle moisture ingress causes throttle failure and forced idle - NHTSA recall 26V196 (expansion of 25V598) and Fuel tank cap seal cracks and leaks fuel - model year 2024 global recall. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common KTM 390 Duke problems?
Repair costs for known KTM 390 Duke issues range from $0 to $0, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Faulty ECU programming causes engine stall at low RPM on the 2024+ third-generation bike - NHTSA recall 25V825, typically costs $0-$0 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What year KTM 390 Duke is the most reliable?
Reliability varies across model years of the KTM 390 Duke. Based on documented issues, problems are most commonly reported in earlier model years. Au7o recommends checking the specific known issues for your target year before purchasing, and having a pre-purchase inspection performed by a qualified mechanic. Our known issues database covers the 2022-2025 KTM 390 Duke with 3 documented issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports.
What is the 2024-2025 KTM 390 Duke Faulty ECU programming causes engine stall at low RPM on the 2024+ third-generation bike - NHTSA recall 25V825?
KTM's U.S. KTB2513 bulletin identifies certain 2024–2025 390 Duke motorcycles whose original ECU software can cause a low-rpm stall and loss of drive power. Eligibility is VIN-specific. The manufacturer's international announcement also lists model year 2026. Repairs typically run $0-$0. Severity: high.
What is the 2022-2023 KTM 390 Duke Ride-by-wire e-throttle moisture ingress causes throttle failure and forced idle - NHTSA recall 26V196 (expansion of 25V598)?
NHTSA recall 26V196 (KTM KTB2606) includes certain U.S. 2022–2023 390 Dukes built January 18, 2022–July 26, 2023. Moisture can damage connections inside the electronic throttle control. Conflicting throttle signals then cause the ECU to command idle, reducing power. Cycling the i… Repairs typically run $0-$0. Severity: high.
What is the 2024 KTM 390 Duke Fuel tank cap seal cracks and leaks fuel - model year 2024 global recall?
KTM announced an all-market recall on 13 November 2025 for affected model-year 2024 Duke motorcycles, including the 390 Duke. Material deviations in some tank-cap seals may cause small cracks and fuel leakage around the cap. The campaign replaces the seal preventively; visible le… Repairs typically run $0-$0. Severity: high.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public motorcycle data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.