Kawasaki Ninja 650 vs Aprilia Rs 660
Side-by-side comparison for used motorcycle buyers
Kawasaki Ninja 650 vs Aprilia Rs 660. Kawasaki Ninja 650: 67 hp @ 8,000 rpm hp, 193 kg (wet/curb weight) weight, top speed 195 km/h, Motoryk rating 8.2/10. Aprilia Rs 660: 100 hp @ 10,500 rpm hp, 169 kg (wet/curb weight) weight, top speed 235 km/h, Motoryk rating 8.5/10.
Performance at a Glance
Green = winner per metric · Bars are relative to the higher value
Kawasaki Ninja 650
Aprilia Rs 660
Horsepower (hp)
67 hp
100 hp
Torque (Nm)
65.7 Nm
67 Nm
Top Speed (km/h)
195 km/h
235 km/h
Weight (kg) — lower is better
193 kg
169 kg
Type
Sport
Supersport
Horsepower
67 hp @ 8,000 rpm
100 hp @ 10,500 rpm
Torque
65.7 Nm @ 6,700 rpm
67 Nm @ 8,500 rpm
Top Speed
195 km/h
235 km/h
Weight
193 kg (wet/curb weight)
169 kg (wet/curb weight)
Fuel
5.5 L/100km (approximately 18 km/L real-world average)
5.5 L/100km (approx. 18 km/L typical real-world average)
Fairing
Yes
Yes
Individual Reviews
Kawasaki Ninja 650
8.2/10
"The smartest used middleweight money can buy, full stop."
Pros
+Bulletproof parallel twin engine
+Cheap parts and servicing
+Forgiving ergonomics suit most
Cons
−Soft suspension ages poorly
−Neglected chains are common
−Fairing damage from droppers
Aprilia Rs 660
8.5/10
"A genuinely special middleweight — buy it, but buy it carefully."
Pros
+Thrilling mid-range power delivery
+Exceptional chassis and handling
+Premium electronics for class
Cons
−Early ECU software problems
−Fragile fairings, expensive replacements
−Patchy dealer network support
Top 10 Accessories
Picks that work on either bike.
