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Engine & cooling

KTM RC 390 Engine problems by year

1 complaints filed with NHTSA about the KTM RC 390's engine & cooling. Stalling, loss of power, oil consumption, overheating, head gaskets, timing chains and engine failure.

Engine complaints by model year

YearEngine complaintsCrashesInjuriesRecalls
20241000

Latest RC 390 engine complaints

2024 KTM RC 390Electrical systemEngine & coolingFuel system

While commuting to work on 5/26/26, around 5:30 am, I felt my vehicle decelerate, and the throttle became unresponsive. I shifted into neutral and coasted for a little while, working the throttle from limit to limit to feel its responsiveness. After a few cycles, it seemed to be acting normally. If I had reacted differently, been going faster, been in the middle of negotiating a turn, or a complex maneuver, this could have ended badly, resulting in me dropping the bike, potentially causing property damage, injuring...

Read the full complaint

myself, and others. No warning lights or messages were displayed regarding this issue. I have dropped off the vehicle at an authorized service center on 5/28/26, after finding recall information online about throttle issues. I am not aware if they could recreate the issue. This only happened once, on that day, I continued commuting on the bike until dropped off for service.

Filed Incident Electrical system · Engine · Fuel / propulsion systemNHTSA 11740809

Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data

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