Qj Motor Sf450r vs Kawasaki Ninja H2r
Side-by-side comparison for used motorcycle buyers
Qj Motor Sf450r vs Kawasaki Ninja H2r. Qj Motor Sf450r: 47 hp @ 9,500 rpm — estimated hp, 195 kg (wet/curb weight) — estimated weight, top speed 175 km/h — estimated, Motoryk rating 7.0/10. Kawasaki Ninja H2r: 310 hp @ 14,000 rpm (with ram-air effect; 300 hp without) hp, 216 kg (curb/wet weight) weight, top speed 400+ km/h (manufacturer-tested; electronically limited in some configurations), Motoryk rating 8.5/10.
Performance at a Glance
Green = winner per metric · Bars are relative to the higher value
Qj Motor Sf450r
Kawasaki Ninja H2r
Horsepower (hp)
47 hp
310 hp
Torque (Nm)
43 Nm
165 Nm
Top Speed (km/h)
175 km/h
400 km/h
Weight (kg) — lower is better
195 kg
216 kg
Type
Supersport
Supersport
Horsepower
47 hp @ 9,500 rpm — estimated
310 hp @ 14,000 rpm (with ram-air effect; 300 hp without)
Torque
43 Nm @ 7,500 rpm — estimated
165 Nm @ 12,500 rpm
Top Speed
175 km/h — estimated
400+ km/h (manufacturer-tested; electronically limited in some configurations)
Weight
195 kg (wet/curb weight) — estimated
216 kg (curb/wet weight)
Fuel
4.5 L/100km (approx. 22 km/L) — estimated
Estimated 8–12 L/100km under track conditions (no official real-world figure; track-only use)
Fairing
Yes
Yes
Individual Reviews
Qj Motor Sf450r
7.0/10
"Solid budget sportbike if you accept the reliability uncertainty."
Pros
+Punchy parallel-twin delivery
+Solid chassis and suspension
+Aggressive looks, reasonable ergonomics
Cons
−Limited long-term reliability data
−Parts sourcing can be slow
−Resale value unproven
Kawasaki Ninja H2r
8.5/10
"Spectacular machine, but only for serious, wealthy track obsessives."
Pros
+Unmatched supercharged engineering showcase
+Chassis inspires genuine confidence
+Bulletproof Kawasaki build quality
Cons
−Crippling ongoing maintenance costs
−Track-only limits usability severely
−Previous abuse nearly guaranteed
Top 10 Accessories
Picks that work on either bike.
