Aprilia RS 660 (2021)
Comparison technical specifications
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| Make: | Aprilia |
| Model: | RS 660 |
| Years: | 2021 |
| Engine: | Four stroke, forward facing parallel twin, DOHC with silent chain drive on the right side, four valves per cylinder |
| Capacity: | 659 cc / 40.2 cu-in |
| Bore x Stroke: | 81 x 63.93 mm |
| Compression Ratio: | 13.5: 1 |
| Cooling System: | Liquid cooled with radiator and water-oil heat exchanger |
| Lubrication: | Wet sump |
| Exhaust: | Akrapovič - for race use only |
| Emission: | Euro 5 CO2 emissions - 116 g /km |
| Induction: | Airbox with front air intake. 2 ∅48 mm throttle bodies, Ride-By-Wire management |
| Electronic Management: | 6-axis inertial platform, APRC suite which includes ATC (traction control, AWC (wheelie control), AEB (engine brake), AEM (engine map), ACC (cruise control) 5 Riding modes - (Road and Track, 3 fixed and 2 customizable) |
| Starting: | Electric |
| Max Power: | 100 hp / 73.5 kW @ 10,500 rpm |
| Max Torque: | 67.0 Nm / 6.83 kgm @ 8,500 rpm |
| Clutch: | Wet, multi-plate, slipper |
| Transmission: | 6 Speed, AQS Aprilia Quick Shift |
| Final Drive: | Chain, with drive ratio: 17/43 |
| Frame: | Double beam aluminium frame with detachable rear seat |
| Front Suspension: | Kayaba upside down fork ∅ 41 mm with counter spring, aluminium feet for fixing radial calipers. Adjustable for rebound, compression and spring preload. |
| Front Wheel Travel: | 120 mm / 4.7 in |
| Rear Suspension: | Aluminium swingarm with asymmetrical trusses. Monoshock with adjustable counter spring: rebound and spring preload. |
| Rear Wheel Travel: | 130 mm / 5.1 in |
| Front Brakes: | 2x 320mm Brembo radial calipers with 4 32mm opposing pistons. Radial pump and metal braided brake hose |
| Rear Brakes: | Single 220mm disc; Brembo calliper with 2 isolated ∅ 34mm pistons. Pump with integrated tank and metal braided hos |
| ABS System: | ABS Cornering multimap |
| Front Wheel: | In aluminium alloy 3.5 x17 |
| Rear Wheel: | In aluminium alloy 5.5 x17 |
| Front Tyre: | 120/70 ZR 17 Tubeless radials |
| Rear Tyre: | 180/55 ZR 17 (alternatively 180/60 ZR17) Tubeless radials |
| Rake: | 24.1° |
| Trail: | 104.6 mm |
| Dimensions: | Length mm / in Width mm / in Height mm / in |
| Wheelbase: | 1370 mm / 53.9 in |
| Seat Height: | 815 mm / 32.0 in |
| Dry Weight: | 169 kg / 372.5 lbs |
| Wet Weight: | 183 kg / 403.4 lbs |
| Fuel Capacity: | 15 Litres / 3.9 US gal |