2024 QJ MOTOR SRK 450 RC vs KAWASAKI Z400
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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 450 RC 78.5 cm Lowest seat here
- KAWASAKI Z400 78.5 cm Lowest seat here
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 Z400) up to 52 hp (2024 QJ MOTOR SRK 450 RC).
- Torque spans 37.2 Nm (KAWASAKI Z400) up to 43 Nm (2024 QJ MOTOR SRK 450 RC).
- Weight spans 167 kg (KAWASAKI Z400) to 173 kg (2024 QJ MOTOR SRK 450 RC).
- Displacement spans 400 cc (KAWASAKI Z400) to 450 cc (2024 QJ MOTOR SRK 450 RC).
Reader votes so far — total 1: 2024 QJ MOTOR SRK 450 RC (0); KAWASAKI Z400 (1).
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| Specification | QJ MOTOR SRK 450 RC | KAWASAKI Z400 |
|---|---|---|
| Brand | QJMOTOR | KAWASAKI |
| Model | QJ MOTOR SRK 450 RC | KAWASAKI Z400 |
| Engine size | 450cc | 400cc |
| Power | 52hp | 45hp |
| Torque | 43nm. | 37.2nm. |
| Cylinders / valves | Twin cylinder, 8 valves | Twin cylinder, 8 valves |
| Weight | 173kg | 167kg |
| Front brake | Hydr.Disc ø300mm(double(ABS) | 310 mm petal discs. Single balanced actuation, dual-piston caliper |
| Rear brake | Hydr.Disc ø240mm(ABS) | 220 mm single petal disc. Dual-piston caliper |
| Seat height (cm) | 78.5cm | 78.5cm |
| Front tyre | 110/70R17 | 110/70R17 M/C 54H |
| Rear tyre | 150/60R17 | 150/60R17 M/C 66H |
| 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 | Naked |
| Top speed | 195km/h | 185km/h |
| Fuel capacity / consumption | 14.5 L – 5.2 L/100km | 14 L – 3.5 L/100km |
| Service network | ||
| Service quality | ||
| Parts availability | ||
| Price | Price not listed. | $5399 |
| Brand price lists | View QJMOTOR price list | View KAWASAKI price list |
| Extra features | -TFT Display |
-New Slipper Clutch -Economical Riding Indicator |
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2024 QJ MOTOR SRK 450 RC vs 2023 KAWASAKI Z400: listed specifications
The 2024 QJ MOTOR SRK 450 RC and 2023 KAWASAKI Z400 differ on the listed specifications: the SRK 450 RC has more displacement, peak power and torque, and the higher listed top speed, and the Z400 has a lower listed weight.
Engine displacement
SRK 450 RC has a larger listed engine displacement (450 cc vs 400 cc).
Peak power
SRK 450 RC has a clear listed power advantage (52 hp vs 45 hp).
Torque
SRK 450 RC has a clear listed torque advantage (43 Nm vs 37.2 Nm).
Listed top speed
SRK 450 RC has a modest listed top-speed advantage (195 km/h vs 185 km/h).
Cooling
Both motorcycles are listed as liquid-cooled.
Weight and seat height
Z400 has a modest listed weight advantage (167 kg vs 173 kg). SRK 450 RC and Z400 have very similar seat heights (78.5 cm vs 78.5 cm).
Conclusion
The measurable differences are therefore concentrated in displacement, peak power, torque, listed top speed and weight, while seat height remains relatively close.
Frequently asked questions
What is the top speed of QJ MOTOR SRK 450 RC vs KAWASAKI Z400?
QJ MOTOR SRK 450 RC is listed at 195 km/h (121 mph) vs 185 km/h (115 mph) for KAWASAKI Z400.
Which has more horsepower, QJ MOTOR SRK 450 RC or KAWASAKI Z400?
QJ MOTOR SRK 450 RC has 52 hp compared with 45 hp on the KAWASAKI Z400.
Which is lighter, QJ MOTOR SRK 450 RC or KAWASAKI Z400?
KAWASAKI Z400 is lighter at 167 kg vs 173 kg for QJ MOTOR SRK 450 RC.
Which is better, QJ MOTOR SRK 450 RC or KAWASAKI Z400?
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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