Kawasaki Ninja Zx-6r 636 vs Suzuki Gsx-r600 K6
Side-by-side comparison for used motorcycle buyers
Kawasaki Ninja Zx-6r 636 vs Suzuki Gsx-r600 K6. Kawasaki Ninja Zx-6r 636: 128 hp @ 13,500 rpm hp, 194 kg (wet/curb weight) weight, top speed 255 km/h, Motoryk rating 8.5/10. Suzuki Gsx-r600 K6: 120 hp @ 13,500 rpm hp, 166 kg (wet/curb weight) weight, top speed 255 km/h, Motoryk rating 8.5/10.
Performance at a Glance
Green = winner per metric · Bars are relative to the higher value
Kawasaki Ninja Zx-6r 636
Suzuki Gsx-r600 K6
Horsepower (hp)
128 hp
120 hp
Torque (Nm)
70.8 Nm
66 Nm
Top Speed (km/h)
255 km/h
255 km/h
Weight (kg) — lower is better
194 kg
166 kg
Type
Supersport
Supersport
Horsepower
128 hp @ 13,500 rpm
120 hp @ 13,500 rpm
Torque
70.8 Nm @ 11,500 rpm
66 Nm @ 11,800 rpm
Top Speed
255 km/h
255 km/h
Weight
194 kg (wet/curb weight)
166 kg (wet/curb weight)
Fuel
6.5 L/100km (approximately 15.4 km/L, real-world average)
6.5 L/100km (approx. 15.4 km/L, typical real-world average)
Fairing
Yes
Yes
Individual Reviews
Kawasaki Ninja Zx-6r 636
8.5/10
"The smartest 600-class buy if you find a clean one."
Pros
+Exceptional midrange for class
+Rock-solid Kawasaki reliability
+Scalpel-precise chassis feel
Cons
−Aggressive ergonomics hurt daily
−Valve checks frequently skipped
−Older models lack modern aids
Suzuki Gsx-r600 K6
8.5/10
"The definitive used 600 supersport — buy one without hesitation."
Pros
+Exceptional chassis balance and feedback
+Strong mid-to-top-end power
+Widely available cheap parts
Cons
−Stator failures on high mileage
−Unforgiving in slow traffic
−Crash history very common
Top 10 Accessories
Picks that work on either bike.
