2024 QJ MOTOR SRK 550 RR vs KAWASAKI Ninja 400
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Scores, summary & seat (optional) Estimates and auto text from specs — open if you want them.
Technical score (estimate)
Weighted mix of power, torque, power-to-weight, top speed and lighter weight within this comparison only. Not a real-world verdict — riding style and roads matter.
Usage fit (estimate)
Rough scores for city riding, touring, sporty riding and new riders — mix of specs and bike category. Same caveats as the technical score: traffic, skill and tyres matter.
City / commute
Touring / long rides
Sporty riding
New rider friendly
Seat height (cm)
Figures are as in the database; boots, suspension sag and road surface change how tall the bike feels.
- 2024 QJ MOTOR SRK 550 RR 77 cm Lowest seat here
- KAWASAKI Ninja 400 78.5 cm Tallest seat here
Spread in this comparison: about 1.5 cm.
Rough guide: comfortable flat-foot reach often needs inseam roughly in the same ballpark as seat height (varies a lot by ergonomics).
Auto summary from specs
Generated from the numbers in the comparison — not a review.
- Power spans 45 hp (KAWASAKI Ninja 400) up to 60 hp (2024 QJ MOTOR SRK 550 RR).
- Torque spans 37.2 Nm (KAWASAKI Ninja 400) up to 55 Nm (2024 QJ MOTOR SRK 550 RR).
- Weight spans 168 kg (KAWASAKI Ninja 400) to 186 kg (2024 QJ MOTOR SRK 550 RR).
- Displacement spans 400 cc (KAWASAKI Ninja 400) to 550 cc (2024 QJ MOTOR SRK 550 RR).
All values look the same; turn off the filter.
| Specification | QJ MOTOR SRK 550 RR | KAWASAKI Ninja 400 |
|---|---|---|
| Brand | QJMOTOR | KAWASAKI |
| Model | QJ MOTOR SRK 550 RR | KAWASAKI Ninja 400 |
| Engine size | 550cc | 400cc |
| Power | 60hp | 45hp |
| Torque | 55nm. | 37.2nm. |
| Cylinders / valves | Twin cylinder, 8 valves | Twin cylinder, 8 valves |
| Weight | 186kg | 168kg |
| Front brake | Disc ø320mm(double)(ABS) | 310 mm petal discs. Single balanced actuation dual-piston caliper. |
| Rear brake | Disc ø260mm(ABS) | 220 mm single petal disc. Dual-piston caliper. |
| Seat height (cm) | 77cm | 78.5cm |
| Front tyre | 120/70-ZR17 | 110/70R17 |
| Rear tyre | 160/60-ZR17 | 150/60R17 |
| Cooling | Liquid cooling | Liquid cooling |
| Front suspension | Telescopic Upside-Down | 41mm telescopic fork |
| Rear suspension | Telescopic coil spring oil damped | Bottom-Link Uni-Trak, gas-charged, preload adjustable |
| Motorcycle type | Supersport | Supersport |
| Top speed | 220km/h | 205km/h |
| Fuel capacity / consumption | 15 L – 5.5 L/100km | 14 L – 4 L/100km |
| Service network | ||
| Service quality | ||
| Parts availability | ||
| Price | Price not listed. | $5899 |
| Brand price lists | View QJMOTOR price list | View KAWASAKI price list |
| Extra features | -TFT Display |
-Slipper Clutch -Economic Riding Indicator |
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2024 QJ MOTOR SRK 550 RR vs 2023 KAWASAKI Ninja 400: listed specifications
The 2024 QJ MOTOR SRK 550 RR and 2023 KAWASAKI Ninja 400 differ on the listed specifications: the SRK 550 RR has more displacement, peak power and torque, and the higher listed top speed, and the Ninja 400 has a lower listed weight.
Engine displacement
SRK 550 RR has a clearly larger listed engine displacement (550 cc vs 400 cc).
Peak power
SRK 550 RR has a clear listed power advantage (60 hp vs 45 hp).
Torque
SRK 550 RR has a clear listed torque advantage (55 Nm vs 37.2 Nm).
Listed top speed
SRK 550 RR has a modest listed top-speed advantage (220 km/h vs 205 km/h).
Cooling
Both motorcycles are listed as liquid-cooled.
Weight and seat height
Ninja 400 is notably lighter on the listed weight (168 kg vs 186 kg). SRK 550 RR has a lower listed seat height (77 cm vs 78.5 cm).
Conclusion
The measurable differences are therefore concentrated in displacement, peak power, torque, listed top speed, weight and seat height.
Frequently asked questions
What is the top speed of QJ MOTOR SRK 550 RR vs KAWASAKI Ninja 400?
QJ MOTOR SRK 550 RR is listed at 220 km/h (137 mph) vs 205 km/h (127 mph) for KAWASAKI Ninja 400.
Which has more horsepower, QJ MOTOR SRK 550 RR or KAWASAKI Ninja 400?
QJ MOTOR SRK 550 RR has 60 hp compared with 45 hp on the KAWASAKI Ninja 400.
Which is lighter, QJ MOTOR SRK 550 RR or KAWASAKI Ninja 400?
KAWASAKI Ninja 400 is lighter at 168 kg vs 186 kg for QJ MOTOR SRK 550 RR.
Which is better, QJ MOTOR SRK 550 RR or KAWASAKI Ninja 400?
It depends on your riding style. Compare top speed, weight, fuel use and price in the table on this page, then vote for the bike you prefer.
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