2025 Aprilia RS 660 35kW vs 2015 Kawasaki Ninja 400

The Aprilia RS 660 35kW records higher power, a lower weight and larger displacement than the Kawasaki Ninja 400.

Recorded specification differences

  • Manufacturer: Aprilia RS 660 35kW Aprilia, Kawasaki Ninja 400 Kawasaki
  • Model: Aprilia RS 660 35kW Aprilia RS 660 35kW, Kawasaki Ninja 400 Kawasaki Ninja 400
  • Year: Aprilia RS 660 35kW 2025, Kawasaki Ninja 400 2015
  • Displacement: Aprilia RS 660 35kW 659, Kawasaki Ninja 400 399
  • Power: Aprilia RS 660 35kW 46.9, Kawasaki Ninja 400 44
  • Weight: Aprilia RS 660 35kW 183, Kawasaki Ninja 400 211
  • Seat height: Aprilia RS 660 35kW 82, Kawasaki Ninja 400 79
Aprilia RS 660 35kW vs Kawasaki Ninja 400 key specifications
SpecAprilia RS 660 35kWKawasaki Ninja 400
Year20252015
CategorySportSport
Displacement659399
Power46.944
Torque-37
Weight183211

Power

The Aprilia RS 660 35kW records 46.9 hp, 2.9 hp (6.6%) more than the Kawasaki Ninja 400 at 44 hp.

Weight

The Aprilia RS 660 35kW records a lower wet weight of 183 kg, 28 kg less than the Kawasaki Ninja 400 at 211 kg.

Displacement

The Aprilia RS 660 35kW records 659 cc, 260 cc (65.2%) more than the Kawasaki Ninja 400 at 399 cc.

Seat height

The Aprilia RS 660 35kW has a higher recorded seat height (82) than the Kawasaki Ninja 400 (79), a difference of 3.

Power-to-weight

The Aprilia RS 660 35kW has the higher power-to-weight figure at 0.256 hp/kg, compared with 0.209 hp/kg for the Kawasaki Ninja 400.

Frequently asked questions

Which motorcycle records more power, the Aprilia RS 660 35kW or the Kawasaki Ninja 400?

The Aprilia RS 660 35kW records 46.9 hp, 2.9 hp (6.6%) more than the Kawasaki Ninja 400 at 44 hp.

Which motorcycle records the lower weight, the Aprilia RS 660 35kW or the Kawasaki Ninja 400?

The Aprilia RS 660 35kW records a lower wet weight of 183 kg, 28 kg less than the Kawasaki Ninja 400 at 211 kg.

Which motorcycle records larger displacement, the Aprilia RS 660 35kW or the Kawasaki Ninja 400?

The Aprilia RS 660 35kW records 659 cc, 260 cc (65.2%) more than the Kawasaki Ninja 400 at 399 cc.

How do the recorded seat heights of the Aprilia RS 660 35kW and the Kawasaki Ninja 400 compare?

The Aprilia RS 660 35kW has a higher recorded seat height (82) than the Kawasaki Ninja 400 (79), a difference of 3.

Which motorcycle has the higher power-to-weight figure, the Aprilia RS 660 35kW or the Kawasaki Ninja 400?

The Aprilia RS 660 35kW has the higher power-to-weight figure at 0.256 hp/kg, compared with 0.209 hp/kg for the Kawasaki Ninja 400.

VS
Aprilia logo

Aprilia RS 660 35kW

2025Sport

Displacement659 cc
Power46.9 hp
Kawasaki logo

Kawasaki Ninja 400

2015Sport

Displacement399 cc
Power44 hp

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Better
Worse

Aprilia RS 660 35kW

2025 • Sport

Kawasaki Ninja 400

2015 • Sport

Engine & Performance

Engine Displacement
659 cc
399 cc
Power
46.9 hp
44 hp
Torque
-
37 Nm
Engine Type
Other
-
Engine Details
Other | DOHC | Cylinder: 2
DOHC
Power / Weight
0.2778 hp/kg
0.209 hp/kg
Valves / Cylinder
4
4
Compression Ratio
13.5:1
-

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
Telescopic
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
120/70-17
Rear Tyre
180/55-ZR17
160/60-17

Dimensions & Weight

Length
199.5 cm
210 cm
Height
115 cm
120 cm
Seat Height
82 cm
79 cm
Wheelbase
137 cm
141 cm
Dry Weight
169 kg
-
Wet Weight
183 kg
211 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.