2025 Aprilia RS 660 vs 2014 Kawasaki Ninja 400

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

Recorded specification differences

  • Manufacturer: Aprilia RS 660 Aprilia, Kawasaki Ninja 400 Kawasaki
  • Model: Aprilia RS 660 Aprilia RS 660, Kawasaki Ninja 400 Kawasaki Ninja 400
  • Year: Aprilia RS 660 2025, Kawasaki Ninja 400 2014
  • Displacement: Aprilia RS 660 659, Kawasaki Ninja 400 399
  • Torque: Aprilia RS 660 67, Kawasaki Ninja 400 37
  • Weight: Aprilia RS 660 183, Kawasaki Ninja 400 209
  • Seat height: Aprilia RS 660 82, Kawasaki Ninja 400 81
Aprilia RS 660 vs Kawasaki Ninja 400 key specifications
SpecAprilia RS 660Kawasaki Ninja 400
Year20252014
CategorySportSport
Displacement659399
Power-43
Torque6737
Weight183209

Torque

The Aprilia RS 660 records 67 Nm of torque, 30 Nm (81.1%) more than the Kawasaki Ninja 400 at 37 Nm.

Weight

The Aprilia RS 660 records a lower wet weight of 183 kg, 26 kg less than the Kawasaki Ninja 400 at 209 kg.

Displacement

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

Seat height

The Aprilia RS 660 has a higher recorded seat height (82) than the Kawasaki Ninja 400 (81), a difference of 1.

Frequently asked questions

Which motorcycle records more torque, the Aprilia RS 660 or the Kawasaki Ninja 400?

The Aprilia RS 660 records 67 Nm of torque, 30 Nm (81.1%) more than the Kawasaki Ninja 400 at 37 Nm.

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

The Aprilia RS 660 records a lower wet weight of 183 kg, 26 kg less than the Kawasaki Ninja 400 at 209 kg.

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

The Aprilia RS 660 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 and the Kawasaki Ninja 400 compare?

The Aprilia RS 660 has a higher recorded seat height (82) than the Kawasaki Ninja 400 (81), a difference of 1.

VS
Aprilia logo

Aprilia RS 660

2025Sport

Displacement659 cc
Kawasaki logo

Kawasaki Ninja 400

2014Sport

Displacement399 cc
Power43 hp

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Better
Worse

Aprilia RS 660

2025 • Sport

Kawasaki Ninja 400

2014 • Sport

Engine & Performance

Engine Displacement
659 cc
399 cc
Power
-
43 hp
Torque
67 Nm
37 Nm
Engine Details
DOHC
DOHC
Power / Weight
0.5917 hp/kg
0.206 hp/kg
Valves / Cylinder
4
4
Compression Ratio
13.5:1
11.0:1

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
-
211 cm
Height
-
120 cm
Seat Height
82 cm
81 cm
Wheelbase
137 cm
141 cm
Ground Clearance
-
13 cm
Dry Weight
169 kg
-
Wet Weight
183 kg
209 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.