2025 Aprilia RS 660 Extrema vs 2015 Kawasaki Ninja 250SL ABS

The Aprilia RS 660 Extrema records higher power, higher torque and larger displacement than the Kawasaki Ninja 250SL ABS.

Recorded specification differences

  • Manufacturer: Aprilia RS 660 Extrema Aprilia, Kawasaki Ninja 250SL ABS Kawasaki
  • Model: Aprilia RS 660 Extrema Aprilia RS 660 Extrema, Kawasaki Ninja 250SL ABS Kawasaki Ninja 250SL ABS
  • Year: Aprilia RS 660 Extrema 2025, Kawasaki Ninja 250SL ABS 2015
  • Displacement: Aprilia RS 660 Extrema 659, Kawasaki Ninja 250SL ABS 249
  • Power: Aprilia RS 660 Extrema 100, Kawasaki Ninja 250SL ABS 28
  • Torque: Aprilia RS 660 Extrema 67, Kawasaki Ninja 250SL ABS 22.6
  • Weight: Aprilia RS 660 Extrema 180, Kawasaki Ninja 250SL ABS 152
  • Seat height: Aprilia RS 660 Extrema 82, Kawasaki Ninja 250SL ABS 78
Aprilia RS 660 Extrema vs Kawasaki Ninja 250SL ABS key specifications
SpecAprilia RS 660 ExtremaKawasaki Ninja 250SL ABS
Year20252015
CategorySportSport
Displacement659249
Power10028
Torque6722.6
Weight180152

Power

The Aprilia RS 660 Extrema records 100 hp, 72 hp (257.1%) more than the Kawasaki Ninja 250SL ABS at 28 hp.

Torque

The Aprilia RS 660 Extrema records 67 Nm of torque, 44.4 Nm (196.5%) more than the Kawasaki Ninja 250SL ABS at 22.6 Nm.

Displacement

The Aprilia RS 660 Extrema records 659 cc, 410 cc (164.7%) more than the Kawasaki Ninja 250SL ABS at 249 cc.

Seat height

The Aprilia RS 660 Extrema has a higher recorded seat height (82) than the Kawasaki Ninja 250SL ABS (78), a difference of 4.

Frequently asked questions

Which motorcycle records more power, the Aprilia RS 660 Extrema or the Kawasaki Ninja 250SL ABS?

The Aprilia RS 660 Extrema records 100 hp, 72 hp (257.1%) more than the Kawasaki Ninja 250SL ABS at 28 hp.

Which motorcycle records more torque, the Aprilia RS 660 Extrema or the Kawasaki Ninja 250SL ABS?

The Aprilia RS 660 Extrema records 67 Nm of torque, 44.4 Nm (196.5%) more than the Kawasaki Ninja 250SL ABS at 22.6 Nm.

Which motorcycle records larger displacement, the Aprilia RS 660 Extrema or the Kawasaki Ninja 250SL ABS?

The Aprilia RS 660 Extrema records 659 cc, 410 cc (164.7%) more than the Kawasaki Ninja 250SL ABS at 249 cc.

How do the recorded seat heights of the Aprilia RS 660 Extrema and the Kawasaki Ninja 250SL ABS compare?

The Aprilia RS 660 Extrema has a higher recorded seat height (82) than the Kawasaki Ninja 250SL ABS (78), a difference of 4.

VS
Aprilia logo

Aprilia RS 660 Extrema

2025Sport

Displacement659 cc
Power100 hp
Kawasaki logo

Kawasaki Ninja 250SL ABS

2015Sport

Displacement249 cc
Power28 hp

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Better
Worse

Aprilia RS 660 Extrema

2025 • Sport

Kawasaki Ninja 250SL ABS

2015 • Sport

Engine & Performance

Engine Displacement
659 cc
249 cc
Power
100 hp
28 hp
Torque
67 Nm
22.6 Nm
Engine Details
DOHC
DOHC
Power / Weight
0.6024 hp/kg
0.184 hp/kg
Valves / Cylinder
4
4
Compression Ratio
13.5:1
11.3:1

Fuel & Capacity

Fuel System
Injection
Carburetor
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 ABS
Rear Brakes
Disc ABS
Disc ABS

Tires & Wheels

Front Tyre
120/70-ZR17
100/80-17
Rear Tyre
180/55-ZR17
130/70-17

Dimensions & Weight

Length
-
194 cm
Height
-
112 cm
Seat Height
82 cm
78 cm
Wheelbase
137 cm
140 cm
Ground Clearance
-
17 cm
Dry Weight
166 kg
152 kg
Wet Weight
180 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.