Blue smoke from the exhaust on a Kawasaki Ninja 400 2023
Is your Kawasaki Ninja 400 2023 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
Kawasaki Ninja 400 2023 — owner breakdown
The Kawasaki Ninja 400 2023 is a Japanese-built midweight 399cc four-stroke machine, catalogued from 2018 to 2024. Checks below are ordered for this bike.
- Engine
- 399 cm³ · four-stroke
- Category
- midweight
- Production years
- 2018–2024
- Newest model year
- 2023
- Mileage to watch
- ≈ 16,000 km
Owner feedback on this model
Ninja 400: pads and brake fluid to watch, and chain tension around 16,000 km.
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.