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All Bikes/Ktm/390 Duke/Problems
โ† Back to Ktm 390 Duke

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

SERIOUS

Inspect welds around headstock and swingarm pivot points

Fix cost: $300-$800

ABS pump failure and warning light

MODERATE

Test ABS activation, scan for fault codes

Fix cost: $200-$600

Coolant leak from water pump seals

MODERATE

Look for white residue below water pump housing

Fix cost: $100-$250

Fuel pump failure causing stalling

SERIOUS

Cold start behavior, any hesitation or dying at idle

Fix cost: $150-$350

Pre-Purchase Checklist

โ˜Check service history and oil change intervals
โ˜Inspect frame welds with flashlight carefully
โ˜Test ride cold start and highway speeds
โ˜Verify no crash damage on fairings or bars

Decent but needs attentive maintenance and care