Kawasaki Z650rs vs Kawasaki Z900rs
Side-by-side comparison for used motorcycle buyers
Kawasaki Z650rs vs Kawasaki Z900rs. Kawasaki Z650rs: 67 hp @ 8,000 rpm hp, 187 kg (curb weight) weight, top speed 185 km/h (estimated), Motoryk rating 7.8/10. Kawasaki Z900rs: 111 hp @ 8,500 rpm hp, 214 kg (wet/curb weight) weight, top speed 220 km/h, Motoryk rating 8.5/10.
Performance at a Glance
Green = winner per metric · Bars are relative to the higher value
Kawasaki Z650rs
Kawasaki Z900rs
Horsepower (hp)
67 hp
111 hp
Torque (Nm)
64 Nm
98.5 Nm
Top Speed (km/h)
185 km/h
220 km/h
Weight (kg) — lower is better
187 kg
214 kg
Type
Classic
Classic
Horsepower
67 hp @ 8,000 rpm
111 hp @ 8,500 rpm
Torque
64 Nm @ 6,700 rpm
98.5 Nm @ 6,500 rpm
Top Speed
185 km/h (estimated)
220 km/h
Weight
187 kg (curb weight)
214 kg (wet/curb weight)
Fuel
4.5 L/100km (approx. 22 km/L typical real-world average)
5.5 L/100km (approximately 18 km/L)
Fairing
No
No
Individual Reviews
Kawasaki Z650rs
7.8/10
"A genuinely pretty bike that's actually fun to ride."
Pros
+Bulletproof parallel-twin engine
+Stunning retro styling
+Affordable insurance and servicing
Cons
−Suspension soft for heavy riders
−Headers discolor quickly
−Limited wind protection
Kawasaki Z900rs
8.5/10
"The retro bike that actually earns its premium asking price."
Pros
+Stunning retro styling holds value
+Engine smooth yet genuinely exciting
+Surprisingly comfortable all-day ergonomics
Cons
−Pre-2020 fueling can stumble
−Stock suspension underwhelms heavier riders
−Headers rust quickly if neglected
Top 10 Accessories
Picks that work on either bike.
