Blue smoke from the exhaust on a KTM 990 Duke 2026
Is your KTM 990 Duke 2026 showing "Blue smoke from the exhaust"? Here's the most likely cause, the checks to run, and the parts that fit your bike.
Technical bulletin
KTM 990 Duke 2026 — owner breakdown
The KTM 990 Duke 2026 is a Austrian-built large-displacement 947cc four-stroke machine, catalogued from 2024 to 2026. Checks below are ordered for this bike.
- Engine
- 947 cm³ · four-stroke
- Category
- large-displacement
- Production years
- 2024–2026
- Newest model year
- 2026
Catalog data and community feedback — indicative markers, not a workshop manual.
⚠️ This tool helps you understand what's going on with your motorcycle; it doesn't replace the inspection or judgment of a certified mechanic. If in persistent doubt, if a safety-critical part is involved (braking, steering, bearings, transmission), or if the problem keeps recurring, have the diagnosis confirmed at a workshop before doing any work.