Ktm 390 Duke Common Problems
Known issues to inspect before buying a used Ktm 390 Duke. What to check and how much repairs cost.
Trellis frame cracking near welds
SERIOUSInspect welds around headstock and swingarm pivot points
Fix cost: $300-$800
ABS pump failure and warning light
MODERATETest ABS activation, scan for fault codes
Fix cost: $200-$600
Coolant leak from water pump seals
MODERATELook for white residue below water pump housing
Fix cost: $100-$250
Fuel pump failure causing stalling
SERIOUSCold start behavior, any hesitation or dying at idle
Fix cost: $150-$350
Pre-Purchase Checklist
โCheck service history and oil change intervals
โInspect frame welds with flashlight carefully
โTest ride cold start and highway speeds
โVerify no crash damage on fairings or bars
Decent but needs attentive maintenance and care