KAWASAKI Ninja ZX-4RR vs 2024 QJ MOTOR SRK 550 RR

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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.

Top on paper
KAWASAKI Ninja ZX-4RR
85 pts
2024 QJ MOTOR SRK 550 RR
15 pts

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

KAWASAKI Ninja ZX-4RR
44.2 pts
Best fit here
2024 QJ MOTOR SRK 550 RR
54.8 pts

Touring / long rides

Best fit here
KAWASAKI Ninja ZX-4RR
88.3 pts
2024 QJ MOTOR SRK 550 RR
14.3 pts

Sporty riding

Best fit here
KAWASAKI Ninja ZX-4RR
99 pts
2024 QJ MOTOR SRK 550 RR
25 pts

New rider friendly

KAWASAKI Ninja ZX-4RR
27.8 pts
Best fit here
2024 QJ MOTOR SRK 550 RR
60.7 pts

Seat height (cm)

Figures are as in the database; boots, suspension sag and road surface change how tall the bike feels.

  • KAWASAKI Ninja ZX-4RR 80 cm Tallest seat here
  • 2024 QJ MOTOR SRK 550 RR 77 cm Lowest seat here

Spread in this comparison: about 3 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 60 hp (2024 QJ MOTOR SRK 550 RR) up to 79.1 hp (KAWASAKI Ninja ZX-4RR).
  • Torque spans 55 Nm (2024 QJ MOTOR SRK 550 RR) up to 76.4 Nm (KAWASAKI Ninja ZX-4RR).
  • Weight spans 186 kg (2024 QJ MOTOR SRK 550 RR) to 188 kg (KAWASAKI Ninja ZX-4RR).
  • Displacement spans 400 cc (KAWASAKI Ninja ZX-4RR) to 550 cc (2024 QJ MOTOR SRK 550 RR).

Reader votes so far — total 1: KAWASAKI Ninja ZX-4RR (1); 2024 QJ MOTOR SRK 550 RR (0).

Specification KAWASAKI Ninja ZX-4RR QJ MOTOR SRK 550 RR
Brand KAWASAKI QJMOTOR
Model KAWASAKI Ninja ZX-4RR QJ MOTOR SRK 550 RR
Engine size 400cc 550cc
Power 79.1hp 60hp
Torque 76.4nm. 55nm.
Cylinders / valves 4 cylinders, 16 valves Twin cylinder, 8 valves
Weight 188kg 186kg
Front brake Twin 290 mm discs, ABS Disc ø320mm(double)(ABS)
Rear brake Single 220 mm disc, ABS Disc ø260mm(ABS)
Seat height (cm) 80cm 77cm
Front tyre 110/70-17 120/70-ZR17
Rear tyre 150/60-17 160/60-ZR17
Cooling Liquid cooling Liquid cooling
Front suspension SFF-BP internal parts and adjustable spring preload/4.7 inches, 37 mm inverted fork Telescopic Upside-Down
Rear suspension Horizontal Back-link, BFRC lite gas-charged shock with piggyback reservoir, adjustable compression, rebound, and spring preload/4.9 inches Telescopic coil spring oil damped
Motorcycle type Supersport Supersport
Top speed 235km/h 220km/h
Fuel capacity / consumption 15 L – 6 L/100km 15 L – 5.5 L/100km
Service network
Service quality
Parts availability
Price $9399 Price not listed.
Brand price lists View KAWASAKI price list View QJMOTOR price list
Extra features

Electronic Riding Aids

Economical Riding Indicator, Kawasaki Traction Control (KTRC) (3 modes), Kawasaki Quick Shifter (KQS) (dual-direction), Power Modes

Special Features

4.3" Full-color TFT Display, Smartphone Connectivity via RIDEOLOGY THE APP

-Power Modes

-Smartphone Connectivity

-Horizontal Back-link Rear Suspension

-TFT Display

Opinions

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2023 KAWASAKI Ninja ZX-4RR vs 2024 QJ MOTOR SRK 550 RR: Which One is Better for You?

2023 KAWASAKI Ninja ZX-4RR and 2024 QJ MOTOR SRK 550 RR offer comparable performance in terms of engine capacity, but usage preferences and driving styles could influence the choice. Additionally, 2023 KAWASAKI Ninja ZX-4RR, with its 79.1hp, stands out for users seeking speed and performance.

1. Cylinder Capacity and Performance

2023 KAWASAKI Ninja ZX-4RR and 2024 QJ MOTOR SRK 550 RR are close in engine capacity. 2024 QJ MOTOR SRK 550 RR, with its 550cc, provides slightly better performance, while 2023 KAWASAKI Ninja ZX-4RR, with its 400cc, offers a more economical and balanced option.2024 QJ MOTOR SRK 550 RR, with its 550cc engine capacity, is ideal for users seeking high performance and acceleration. Experienced riders may prefer it for long-distance journeys.

2. Torque Power

2023 KAWASAKI Ninja ZX-4RR, with its 76.4Nm torque, delivers powerful performance. A high torque value ensures superior acceleration and advantage on steep inclines. 2024 QJ MOTOR SRK 550 RR, with its 55Nm torque, offers a more balanced ride for city use. 2023 KAWASAKI Ninja ZX-4RR is ideal for users requiring rapid acceleration. Moderate torque power is suitable for both city use and short-distance trips.

3. Top Speed

2023 KAWASAKI Ninja ZX-4RR (Süpersport) and 2024 QJ MOTOR SRK 550 RR (Süpersport) have very similar maximum speed values. 2023 KAWASAKI Ninja ZX-4RR offers a slight advantage with a top speed of 235 km/h. However, this difference might not be noticeable for most users.

4. Cooling System

2023 KAWASAKI Ninja ZX-4RR features a Liquid-Cooled system, while 2024 QJ MOTOR SRK 550 RR offers a Liquid-Cooled system. Both models deliver equal performance in their cooling systems.

5. Design and Comfort

2023 KAWASAKI Ninja ZX-4RR and 2024 QJ MOTOR SRK 550 RR are close in weight, offering similar experiences for different usage scenarios. Additionally, 2023 KAWASAKI Ninja ZX-4RR, with a seat height of 80cm, is more suitable for taller riders, offering greater comfort.2024 QJ MOTOR SRK 550 RR, with a seat height of 77cm, provides a more ergonomic ride for average-height riders.

Conclusion

2024 QJ MOTOR SRK 550 RR emerges as the winner of this comparison based on total points. 2023 KAWASAKI Ninja ZX-4RR and 2024 QJ MOTOR SRK 550 RR offer comparable performance in terms of engine capacity. 2023 KAWASAKI Ninja ZX-4RR, with higher torque, excels in rapid acceleration and steep climbs. 2023 KAWASAKI Ninja ZX-4RR and 2024 QJ MOTOR SRK 550 RR offer very similar top speed values. Both models have similar cooling systems, offering comparable performance for long journeys. In conclusion, 2024 QJ MOTOR SRK 550 RR stands out in terms of technical specifications and overall performance. However, depending on your riding preferences and usage needs, both models offer unique advantages.

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Frequently asked questions

What is the top speed of KAWASAKI Ninja ZX-4RR vs QJ MOTOR SRK 550 RR?

KAWASAKI Ninja ZX-4RR is listed at 235 km/h vs 220 km/h for QJ MOTOR SRK 550 RR.

Which has more horsepower, KAWASAKI Ninja ZX-4RR or QJ MOTOR SRK 550 RR?

KAWASAKI Ninja ZX-4RR has 79 hp compared with 60 hp on the QJ MOTOR SRK 550 RR.

Which is better, KAWASAKI Ninja ZX-4RR or QJ MOTOR SRK 550 RR?

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.