2025 Aprilia RS 660 35kW vs 2015 Kawasaki Ninja ZX-6R 636

The Aprilia RS 660 35kW records a lower weight and larger displacement than the Kawasaki Ninja ZX-6R 636. The Kawasaki Ninja ZX-6R 636 has the advantage in recorded power where both recorded values are available.

Recorded specification differences

  • Manufacturer: Aprilia RS 660 35kW Aprilia, Kawasaki Ninja ZX-6R 636 Kawasaki
  • Model: Aprilia RS 660 35kW Aprilia RS 660 35kW, Kawasaki Ninja ZX-6R 636 Kawasaki Ninja ZX-6R 636
  • Year: Aprilia RS 660 35kW 2025, Kawasaki Ninja ZX-6R 636 2015
  • Displacement: Aprilia RS 660 35kW 659, Kawasaki Ninja ZX-6R 636 636
  • Power: Aprilia RS 660 35kW 46.9, Kawasaki Ninja ZX-6R 636 131
  • Weight: Aprilia RS 660 35kW 183, Kawasaki Ninja ZX-6R 636 192
  • Seat height: Aprilia RS 660 35kW 82, Kawasaki Ninja ZX-6R 636 83
Aprilia RS 660 35kW vs Kawasaki Ninja ZX-6R 636 key specifications
SpecAprilia RS 660 35kWKawasaki Ninja ZX-6R 636
Year20252015
CategorySportSport
Displacement659636
Power46.9131
Torque-71
Weight183192

Power

The Kawasaki Ninja ZX-6R 636 records 131 hp, 84.1 hp (179.3%) more than the Aprilia RS 660 35kW at 46.9 hp.

Weight

The Aprilia RS 660 35kW records a lower wet weight of 183 kg, 9 kg less than the Kawasaki Ninja ZX-6R 636 at 192 kg.

Displacement

The Aprilia RS 660 35kW records 659 cc, 23 cc (3.6%) more than the Kawasaki Ninja ZX-6R 636 at 636 cc.

Seat height

The Kawasaki Ninja ZX-6R 636 has a higher recorded seat height (83) than the Aprilia RS 660 35kW (82), a difference of 1.

Power-to-weight

The Kawasaki Ninja ZX-6R 636 has the higher power-to-weight figure at 0.682 hp/kg, compared with 0.256 hp/kg for the Aprilia RS 660 35kW.

Frequently asked questions

Which motorcycle records more power, the Aprilia RS 660 35kW or the Kawasaki Ninja ZX-6R 636?

The Kawasaki Ninja ZX-6R 636 records 131 hp, 84.1 hp (179.3%) more than the Aprilia RS 660 35kW at 46.9 hp.

Which motorcycle records the lower weight, the Aprilia RS 660 35kW or the Kawasaki Ninja ZX-6R 636?

The Aprilia RS 660 35kW records a lower wet weight of 183 kg, 9 kg less than the Kawasaki Ninja ZX-6R 636 at 192 kg.

Which motorcycle records larger displacement, the Aprilia RS 660 35kW or the Kawasaki Ninja ZX-6R 636?

The Aprilia RS 660 35kW records 659 cc, 23 cc (3.6%) more than the Kawasaki Ninja ZX-6R 636 at 636 cc.

How do the recorded seat heights of the Aprilia RS 660 35kW and the Kawasaki Ninja ZX-6R 636 compare?

The Kawasaki Ninja ZX-6R 636 has a higher recorded seat height (83) than the Aprilia RS 660 35kW (82), a difference of 1.

Which motorcycle has the higher power-to-weight figure, the Aprilia RS 660 35kW or the Kawasaki Ninja ZX-6R 636?

The Kawasaki Ninja ZX-6R 636 has the higher power-to-weight figure at 0.682 hp/kg, compared with 0.256 hp/kg for the Aprilia RS 660 35kW.

VS
Aprilia logo

Aprilia RS 660 35kW

2025Sport

Displacement659 cc
Power46.9 hp
Kawasaki logo

Kawasaki Ninja ZX-6R 636

2015Sport

Displacement636 cc
Power131 hp

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Ask which bike fits daily rides, touring, or a first motorcycle. Both models stay in context.

Better
Worse

Aprilia RS 660 35kW

2025 • Sport

Kawasaki Ninja ZX-6R 636

2015 • Sport

Engine & Performance

Engine Displacement
659 cc
636 cc
Power
46.9 hp
131 hp
Torque
-
71 Nm
Engine Type
Other
Other
Engine Details
Other | DOHC | Cylinder: 2
Other | DOHC | Cylinder: 4
Power / Weight
0.2778 hp/kg
0.682 hp/kg
Valves / Cylinder
4
4
Stroke
-
4T
Compression Ratio
13.5:1
12.9:1

Fuel & Capacity

Fuel System
Injection
Injection
Cooling System
Liquid-cooled
Liquid-cooled
Starter
Electric
Electric

Transmission & Drive

Gearbox
Manual 6-speed
Manual 6-speed
Transmission
Chain
Chain

Chassis & Suspension

Front Suspension
Telescopic
Inverted
Rear Suspension
Monoshock
-

Brake System

Front Brakes
Disc x2 ABS
Disc x2 ABS
Rear Brakes
Disc ABS
Disc ABS

Tires & Wheels

Front Tyre
120/70-ZR17
120/70-ZR17
Rear Tyre
180/55-ZR17
180/55-ZR17

Dimensions & Weight

Length
199.5 cm
209 cm
Height
115 cm
112 cm
Seat Height
82 cm
83 cm
Wheelbase
137 cm
139.5 cm
Ground Clearance
-
13 cm
Dry Weight
169 kg
-
Wet Weight
183 kg
192 kg

Disclaimer: The technical specifications, performance values, ride profile analyses, match scores, and other data presented on this page are compiled for informational purposes and processed through algorithmic calculations. Their source, license, and commercial-use rights are not fully documented. This information does not constitute a definitive, official, or binding reference. Actual values may vary depending on the model year, market, equipment options, riding conditions, and individual use. Before making a purchase decision, we strongly recommend consulting an authorized dealer or the manufacturer for verified and up-to-date specifications. RPMVault assumes no liability for any decisions made based on the information provided on this page.