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KTM

390 Duke

KTM's 390 Duke leverages WP suspension and a 370-lb chassis to deliver the sharpest handling in the entry-level naked class — approachable enough for beginners yet rewarding beyond them. The 5,600-mile valve check interval is significantly shorter than most competitors; factor this into ownership cost before comparing against the Z400 or MT-03.

CategoryNaked
Used range$3,500–$5,000
Open recalls0
Best forBeginner
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373cc single
Engine
370 lbs
Weight
32.3 in
Seat
$5,999
MSRP
Used range$3,500–$5,000

Too few clean used examples are moving yet to price this one confidently.

Used price, ownership cost, and rider-fit estimates are editorial. Verify before purchasing.

Rider fit

Best-use signals

Beginner9/10
Commuting8/10
Touring2/10
Off-road0/10
Two-up1/10
Sport5/10

Buying intel

Known strengths

  • Best-in-class chassis with WP suspension provides sharp handling for a small-displacement bike
  • Light weight (370 lbs) and torquey single-cylinder engine make it fun in tight corners
  • Aggressive styling and premium components (TFT display, LED lighting) at an entry-level price

Buying intel

Common issues

  • Single-cylinder vibration is noticeable at highway cruising speeds
  • Seat padding is minimal, limiting comfort on rides longer than an hour

Buying intel

Inspection checklist

No notes are in the MVP data yet.

Buying intel

Maintenance notes

  • Valve clearance inspection every 5,600 miles (shorter interval than most competitors)
  • Oil change interval every 3,000 miles

Years to buy

Best years

No best-year signal has been added yet.

Years to inspect

Watch list

  • 2025
    Watch
    KTM's 390 Duke leverages WP suspension and a 370-lb chassis to deliver the sharpest handling in the entry-level naked class — approachable enough for beginners yet rewarding beyond them. The 5,600-mile valve check interval is significantly shorter than most competitors; factor this into ownership cost before comparing against the Z400 or MT-03.

Recall snapshot

0 open campaigns

Last checked May 24, 2026 through MANUAL.

Configuration

2025 390 Duke

naked motorcycle with 373cc single.