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