Ducati Monster S4r vs Kawasaki Z900
Side-by-side comparison for used motorcycle buyers
Ducati Monster S4r vs Kawasaki Z900. Ducati Monster S4r: 113 hp @ 9,500 rpm hp, 192 kg (wet/curb weight) weight, top speed 240 km/h, Motoryk rating 7.8/10. Kawasaki Z900: 125 hp @ 9,500 rpm hp, 214 kg (wet/curb weight) weight, top speed 225 km/h (estimated; electronically influenced), Motoryk rating 8.5/10.
Performance at a Glance
Green = winner per metric · Bars are relative to the higher value
Ducati Monster S4r
Kawasaki Z900
Horsepower (hp)
113 hp
125 hp
Torque (Nm)
103 Nm
98.6 Nm
Top Speed (km/h)
240 km/h
225 km/h
Weight (kg) — lower is better
192 kg
214 kg
Type
Naked
Naked
Horsepower
113 hp @ 9,500 rpm
125 hp @ 9,500 rpm
Torque
103 Nm @ 7,750 rpm
98.6 Nm @ 7,700 rpm
Top Speed
240 km/h
225 km/h (estimated; electronically influenced)
Weight
192 kg (wet/curb weight)
214 kg (wet/curb weight)
Fuel
7.5 L/100km (estimated real-world average)
5.5–6.5 L/100km (approx. 15–18 km/L, typical real-world average)
Fairing
No
No
Individual Reviews
Ducati Monster S4r
7.8/10
"An intoxicating machine for riders who respect their spanners."
Pros
+Testastretta engine is breathtaking
+Head-turning Italian drama
+Chassis balance near-perfect
Cons
−Desmo service costs are brutal
−Marginal urban heat management
−Electrical reliability genuinely questionable
Kawasaki Z900
8.5/10
"The used streetfighter benchmark that rivals struggle to beat at this money."
Pros
+Fantastic power-to-price ratio
+Chassis feedback genuinely excellent
+Parts and servicing affordable
Cons
−Pre-2020 forks underwhelming
−Vibes above 8,000rpm noticeable
−Wind protection essentially nonexistent
Top 10 Accessories
Picks that work on either bike.
