What causes Throttle body/TBW erratic idle issues on the Ktm 390 Adventure?

Cold start idle stability, no hunting or stalling Estimated fix cost: $100-$300

What causes WP suspension premature wear/leaking forks on the Ktm 390 Adventure?

Oil stains on fork legs, inspect seals closely Estimated fix cost: $200-$500

Slack, tight spots, worn sprocket teeth condition Estimated fix cost: $150-$250

All warning lights functional, no error codes present Estimated fix cost: $300-$800

Known issues to inspect before buying a used Ktm 390 Adventure. What to check and how much repairs cost.

MODERATE

Cold start idle stability, no hunting or stalling

Fix cost: $100-$300

MODERATE

Oil stains on fork legs, inspect seals closely

Fix cost: $200-$500

MINOR

Slack, tight spots, worn sprocket teeth condition

Fix cost: $150-$250

SERIOUS

All warning lights functional, no error codes present

Fix cost: $300-$800

☐Check service history, valve clearances done

☐Test ride cold start idle behavior

☐Inspect frame for crash damage or welds

☐Verify ABS and traction control functioning correctly

Decent but needs attentive maintenance schedule