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Kawasaki Z 400: A2 category naked motorcycle — engines and versions
The Kawasaki Z 400 — a compact naked motorcycle with a twin-cylinder engine, produced since 2019. It's suitable for the A2 category, and in this article, we'll look at its tech and what to check when buying used.
Z 400 in brief
The Z 400 — a lightweight, straightforward motorcycle that's enjoyable for both beginners and those seeking an affordable city bike. Its design is reminiscent of larger Z series models.
Technically, it's a close relative of the Ninja 400 — it uses the same engine and frame, but is naked, has a higher handlebar position, and offers more comfort for daily riding.
Who's the Z 400 for?
Thanks to its low weight and compact size, the Z 400 is city-friendly, and its engine power is sufficient for both urban and highway riding. It's ideal for A2 category riders, as the power doesn't exceed 35 kW.
This model is popular for training and as a first motorcycle, but there are also experienced riders looking for a lightweight 'second' bike.
Engine and transmission
The engine — around 400 cm³ twin-cylinder, liquid-cooled, around 45 hp. It's smooth, economical, and pulls well from mid-range revs.
The gearbox — six-speed, chain-driven. A slipper clutch helps smooth downshifts, and ABS is standard.
What to check when buying a used Z 400
Check the chain, sprockets, and tyres — these are likely to be the most worn parts. Look for signs of a drop: scuffed rear footpegs, bent handlebar ends, and scratched pegs.
Request the service manual. Ensure that the oil, coolant, and brake fluid have been changed, and that the engine starts without issues.
Check for signs that the motorcycle was used for intensive sport riding or rental. Inspect all control switches and lighting.
Versions
Names and equipment vary by market and year; we list the versions most commonly found in Europe.
Z 400
2019 and laterBase version with ABS.
- Naked style and compact size
- ABS and slipper clutch with slip function
- LED headlights
Z 400 Performance
Later versionsEnhanced with additional packages.
- Often — additional extras and trim
- Different colour scheme
- Check the list according to the documents
Ninja 400 (giminaitis)
2018 and laterThe sporty version of the same engine.
- Full fairing
- Sportier handling
- The same engine and frame
Z 650 (didesnis brolis)
2017 onwardsA larger naked bike from the Z series.
- Approximately a 650 cm³ twin-cylinder engine
- Often — A2-compliant versions
- More expensive and larger than the Z 400
Z 400 compared to related models
| Z 400 | Z 400 Performance | Ninja 400 | |
|---|---|---|---|
| Who it's for | For daily use and learning | With accessories | For a sportier style |
| Engine | Around 400 cc, around 45 hp | Around 400 cc, around 45 hp | Around 400 cc, around 45 hp |
| Body style | None | None | Full |
| Category | A2 | A2 | A2 |
| Price in the used market (relatively) | Mid-range | Mid-range | Mid-range |
For most buyers, the standard Z 400 is more than enough. If you prefer a sportier look, check out the Ninja 400, and the Performance version is worth considering only if you really need the extra features.
Pros
- Light and easy to handle
- Suitable for A2 category
- Economical engine
- Wide range of parts and accessories
Cons
- Limited power for high-speed driving with a passenger
- Limited space for a passenger
- Wind protection for long journeys
Frequently asked questions
Is the Z 400 suitable for beginners?
Yes, it's one of the top choices for a first motorcycle: light, predictable, with ABS. It qualifies for the A2 category.
How does the Z 400 differ from the Ninja 400?
The engine and frame are the same, but the Z 400 is naked, while the Ninja has full bodywork and a more aggressive stance. The Z 400 is more comfortable in the city.
Is it suitable for long trips?
It's fine for shorter trips, but less comfortable for long journeys due to limited wind protection and passenger space. You can add a windscreen and luggage for extra comfort.
Updated 2026-10-21 · Trim levels and equipment vary by market and model year — check the equipment of the specific car. · Translated automatically
