Kawasaki Ninja ZX 4RR
- Production years
- 2023–2027
- Brand
- Kawasaki
Choose model year
Model year
1 / 3
Selected year: 2025
Technical specifications
Specifications may vary by market.
- Engine capacity
- 399 cm³
- Power
- 76 hp (57 kW)
- Wet weight
- 188 kg
- Seat height
- 800 mm
Overview
The 2027 Kawasaki Ninja ZX 4RR is a sportbike from the 2023–2027 model family. Its 399 cm³ liquid-cooled, four-stroke inline-four produces 74 hp (55 kW) and 39 Nm of torque; wet weight is 188 kg.
Peak torque arrives at 11,000 rpm, so reaching it means keeping the engine revving. The 800 mm seat height may make flat-footing harder for shorter riders, while the 188 kg wet weight takes effort to maneuver when stationary. ABS is fitted, and the front fork’s spring preload and the rear shock’s compression, rebound, and spring preload are adjustable.
Specifications
Engine
Engine
- Aspiration
- Naturally aspirated
- Bore
- 57 mm
- Engine capacity
- 399 cm³
- Compression ratio
- 12.3
- Cooling system
- Liquid
- Engine type
- In-line four, four-stroke
- Fuel system
- Injection
- Ignition
- Digital
- Lubrication system
- Forced lubrication, wet sump
- Starting
- Electric
- Stroke
- 39.1 mm
- Valves per cylinder
- 4
Performance and transmission
Performance and transmission
- Acceleration 0 100 kmh
- 4.6 s
- Acceleration 0 60 mph
- 4.2 s
- Power
- 76 hp (57 kW)
- Torque
- 39 Nm at 13,000 rpm
- Clutch
- Wet multi-disc
- Final drive
- Chain
- Gearbox
- 6
- Transmission type
- Manual
Dimensions and weight
Dimensions and weight
- Dry weight
- 166 kg
- Fuel capacity
- 15.1 L
- Fuel tank material
- Metal
- Ground clearance
- 135 mm
- Overall height
- 1,110 mm
- Overall length
- 1,989 mm
- Overall width
- 765 mm
- Seat height
- 800 mm
- Wet weight
- 188 kg
- Wheelbase
- 1,379 mm
Chassis and suspension
Chassis and suspension
- Frame
- Trellis, high-tensile steel
- Front suspension
- 37mm inverted fork with SFF-BP internals and spring preload adjustability
- Front wheel travel
- 119 mm
- Rake
- 23.5 °
- Rear suspension
- Horizontal Back-link, BFRC lite gas charged shock w/ piggyback reservoir, adjustable compression, rebound and spring preload
- Rear wheel travel
- 124 mm
- Trail
- 97 mm
Brakes and wheels
Brakes and wheels
- Abs
- Yes
- Front brakes diameter
- 290 mm
- Front tyre
- 120/70-17
- Rear brakes
- Single disc. ABS.
- Rear brakes diameter
- 220 mm
- Rear tyre
- 160/60-17
Model years
2027
Power: 76 hp (57 kW) → 74 hp (55 kW)
| Specification | ||||
|---|---|---|---|---|
| Engine capacity | 399 cm³ | 399 cm³ | 399 cm³ | 399 cm³ |
| Power | — | 76 hp (57 kW) | 76 hp (57 kW) | 74 hp (55 kW) |
| Torque | — | 39 Nm | 39 Nm | 39 Nm |
| Dry weight | 166 kg | 188 kg | 188 kg | 188 kg |
| Seat height | 800 mm | 800 mm | 800 mm | 800 mm |
| Fuel capacity | 15.1 L | 15.1 L | 15.1 L | 15.1 L |
Pros and cons
Advantages
Adjustable suspension
Front preload and rear compression, rebound, and preload adjustments let riders tune the suspension to their preferences.
ABS braking
ABS is fitted, with dual 290 mm front discs and a four-piston caliper.
Inline-four engine
The 399 cm³ four-cylinder layout gives this sportbike a distinct engine configuration, with peak torque at 11,000 rpm.
Things to consider
Chain final drive
The chain needs periodic cleaning, lubrication, and adjustment.
Seat height
At 800 mm, the seat may make it harder for shorter riders to put both feet flat on the ground.
Rider fit
Rider fit calculator
Calculated in your browser
Don't know it? Leave this empty and we'll estimate it from your height.
Estimated from your height: 79 cm
How to measure
Stand barefoot with your back to a wall. Hold a book firmly between your legs, then measure from the floor to the top edge of the book.
Estimated ground reach
Both feet likely flat
You should have a stable stance at a stop, although seat width and suspension setup still matter.
Seat height
800 mm
Approx. loaded height
770 mm
Estimate assumes about 30 mm of suspension sag. Seat width, footwear, luggage and suspension settings can change real reach. Always sit on the motorcycle before buying.
Fuel range calculator
Enter your expected fuel consumption to estimate the distance on a full tank, with or without a fuel reserve.
Tank 15.1 L at 5.5 L/100 km
Lower consumption = longer range.
Estimated range
275 km
With 10% reserve
247 km
This is a planning estimate, not a measured result. Speed, route, weather, load and riding style can change real consumption.
FAQ
What is the weight of Kawasaki Ninja ZX 4RR?
The Kawasaki Ninja ZX 4RR weighs 188 kg (wet weight) and 166 kg (dry weight). For model year 2025.
What are the specs of Kawasaki Ninja ZX 4RR?
The Kawasaki Ninja ZX 4RR has the following key specifications (specs) for model year 2025: 399 cc; 76 hp (57 kW); 39 Nm; 188 kg (wet weight); seat height 800 mm; fuel tank 15.1 L. Specification table
How much horsepower does Kawasaki Ninja ZX 4RR have?
The Kawasaki Ninja ZX 4RR makes 76 hp (57 kW), with a torque of 39 Nm at 13,000 rpm. For model year 2025.
What is the seat height of Kawasaki Ninja ZX 4RR?
The Kawasaki Ninja ZX 4RR has a seat height of 800 mm. For model year 2025.
What is the fuel tank capacity of Kawasaki Ninja ZX 4RR?
The Kawasaki Ninja ZX 4RR has a fuel tank capacity of 15.1 L. For model year 2025.
Does the Kawasaki Ninja ZX 4RR meet the numerical A2 limits?
The Kawasaki Ninja ZX 4RR does not meet the numerical A2 limits at full power: 57.0 kW, 0.30 kW/kg. This does not confirm licence eligibility for every version and market. For model year 2025.
Is there a restricted version of the Kawasaki Ninja ZX 4RR?
The Kawasaki Ninja ZX 4RR may have a restricted version in some markets; check the exact version and its homologation. For model year 2025.
