2025 · Aprilia Middleweight supersport

2025 Aprilia RS 660

Year-specific spec sheet for the 2025 Aprilia RS 660 — $11,499 MSRP, 2 trims, 3 colors.

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2025 Aprilia RS 660

$11,499 MSRP · Base / Factory

Apex Black Acid Gold Lava Red
Engine
659cc liquid-cooled DOHC parallel-twin (270° crank)
Bore Stroke
81.0 x 63.9 mm
Compression
13.5:1
Fuel System
Marelli electronic fuel injection with ride-by-wire
Transmission
6-speed with quick shifter (up and down)
Final Drive
Chain
Front Suspension
41 mm Kayaba inverted fork, fully adjustable
Rear Suspension
Kayaba single shock, fully adjustable
Front Brakes
Dual 320 mm Brembo discs with M4.32 monobloc calipers and cornering ABS
Rear Brakes
220 mm disc
Tires
120/70ZR17 front, 180/55ZR17 rear
Wheelbase
54.9 in
Seat Height
32.3 in
Curb Weight
403 lb
Fuel Capacity
4.0 gal
  • 6-axis IMU
  • aPRC suite
  • Cornering ABS
  • Traction control
  • Wheelie control
  • Engine brake control
  • Quick shifter
  • Cruise control
  • Power modes

Source: Aprilia RS 660 (Wikipedia)