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Kawasaki Ninja ZX-4R: 400 cm³ four-cylinder sports motorcycle
Kawasaki Ninja ZX-4R (from 2023) — a compact sports motorcycle with a 399 cm³ four-cylinder engine, which boasts superb handling and high revs. We look at the versions, what the engine offers, and what to check when buying used.
ZX-4R in brief
The ZX-4R was designed as a lower-powered but true superbike character motorcycle. It features a four-cylinder engine that stands out with high revs and a unique sound — such small-displacement four-cylinder bikes are rare in the market.
This motorcycle is fairly new, so the used market is still small. It appeals to riders seeking a sporty look and character without the highest power.
Versions — what's the difference
The ZX-4R comes in several versions: the base ZX-4R, the more feature-rich SE, and the sportier ZX-4RR. The SE often comes with a higher-class suspension and quick-shifter system, while the RR offers more power.
Specific equipment, power version, and potential A2 category restrictions should be verified via documents or VIN, as versions available in Europe differ.
Engine, gearbox, and suspension
The engine is a 399 cm³ liquid-cooled inline four-cylinder, typically around 77 hp (the RR version has a bit more). It pulls energetically and revs particularly lively at high speeds.
The gearbox is a six-speed with a slipper clutch. The motorcycle features ABS, traction control, and several power modes, with handling that is easy and precise.
What to check when buying a used ZX-4R
Since the motorcycle is new, look for the first owner with a full service history. Ask if all manufacturer-recommended checks have been carried out, and if there have been any drops — footprints are left on the pegs and bars.
Check the plastic trim parts, bar ends, exhaust system end, and mirrors. Test the chain, sprockets, brakes, tyres, and electronic systems. Also, inquire about any unapproved modifications.
Trim Levels and Versions
Names and equipment vary by market; we list the main variants.
Ninja ZX-4R
from 2023The base version with a four-cylinder engine.
- 399 cm³ four-cylinder engine
- ABS and traction control
- Multiple power modes
Ninja ZX-4R SE
from 2023The more equipped version.
- Often — a higher-class machine
- Often — a quick-shifter system
- The same engine base
Ninja ZX-4RR
from 2023A sportier, higher-power version.
- A bit more power
- Sportier interior
- Same basic construction
Comparing versions
| ZX-4R | ZX-4R SE | ZX-4RR | |
|---|---|---|---|
| Who it's for | For the core sports experience | For those who want more premium features | For sporty driving |
| Engine | 399 cc, around 77 hp | 399 cc, around 77 hp | 399 cc, a bit more |
| Equipment | Base | Often — higher class | Sportier |
| Price in the used market (relatively) | €€ | €€€ | €€€ |
If you're after an affordable four-cylinder sports bike, the base model will do just fine. The SE and RR are worth considering if you want more premium features and sportier riding.
Pros
- Four-cylinder engine with high revs
- Sporty looks
- Modern electronics
- Lightweight
Cons
- Few used examples available
- Engine performs best at high revs
- Sporty riding position can be tiring on long journeys
Frequently asked questions
Is the ZX-4R suitable for an A2 licence?
This depends on the specific power output of the motorcycle and its documentation. Before buying, check that the power output complies with the A2 limit.
How does the ZX-4R differ from the Ninja 500?
The ZX-4R has a four-cylinder engine, higher revs and a sportier character, while the Ninja 500 is a two-cylinder, more relaxed and versatile bike.
How does the ZX-4RR differ from the standard model?
The RR trim boasts a bit more power and sportier equipment.
Updated 2026-10-21 · Trim levels and equipment vary by market and model year — check the equipment of the specific car. · Translated automatically
