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Harley-Davidson Harley Davidson XL 1200C Sportster Custom (2018-19) vs Aprilia RS 660 (2021)

Comparison technical specifications


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2018 Harley-Davidson Harley Davidson XL 1200C Sportster Custom
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2021 Aprilia RS 660
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Make: Harley-Davidson Aprilia
Model: Harley Davidson XL 1200C Sportster Custom RS 660
Years: 2018-19 2021
Engine: Four stroke, 45° V-Twin, OHV, 2 valves per cylinder. Four stroke, forward facing parallel twin, DOHC with silent chain drive on the right side, four valves per cylinder
Capacity: 1199 cc / 73.2 cub in 659 cc / 40.2 cu-in
Bore x Stroke: 88.8 x 96.8 mm 81 x 63.93 mm
Cooling System: Air cooled Liquid cooled with radiator and water-oil heat exchanger
Compression Ratio: 9.7:1 13.5: 1
Induction: Electronic Sequential Port Fuel Injection (ESPFI) Airbox with front air intake. 2 ∅48 mm throttle bodies, Ride-By-Wire management
Starting: Electric Electric
Max Torque: 107 Nm / 10.9 kgf-m / 79 ft/lb @ 3500 rpm 67.0 Nm / 6.83 kgm @ 8,500 rpm
Transmission: 5 Speed 6 Speed, AQS Aprilia Quick Shift
Final Drive: Belt Chain, with drive ratio: 17/43
Frame: Mild steel, tubular frame; circular sections; cast junctions Swingarm Mild steel, rectangular tube sections, stamped junctions; MIG welded Double beam aluminium frame with detachable rear seat
Front Suspension: 39 mm fork 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: 144 mm / 5.6 in 120 mm / 4.7 in
Rear Suspension: Coil-over, preload dual-adjustable Aluminium swingarm with asymmetrical trusses. Monoshock with adjustable counter spring: rebound and spring preload.
Rear Wheel Travel: 54 mm / 2.1 in 130 mm / 5.1 in
Front Brakes: Single 300 mm disc, 2 x 38mm piston caliper 2x 320mm Brembo radial calipers with 4 32mm opposing pistons. Radial pump and metal braided brake hose
Rear Brakes: Single 300 mm disc, 2 x 38mm piston caliper Single 220mm disc; Brembo calliper with 2 isolated ∅ 34mm pistons. Pump with integrated tank and metal braided hos
Front Wheel: Chrome, 5-Spoke Cast Aluminum In aluminium alloy 3.5 x17
Rear Wheel: Chrome, 5-Spoke Cast Aluminum In aluminium alloy 5.5 x17
Front Tyre: D402F MH90-21 54H 120/70 ZR 17 Tubeless radials
Rear Tyre: D401 150/80B16 71H 180/55 ZR 17 (alternatively 180/60 ZR17) Tubeless radials
Rake: 30° 24.1°
Trail: 107 mm / 4.2 in 104.6 mm
Dimensions: Length 2225 mm / 87.6 in Length mm / in Width mm / in Height mm / in
Wheelbase: 1520 / 59.8 in 1370 mm / 53.9 in
Seat Height: Laden 675.6 mm / 26.6 in Unladen 723.9 mm / 28.5 in 815 mm / 32.0 in
Wet Weight: 264 kg / 582 lbs 183 kg / 403.4 lbs
Fuel Capacity: 17 Litres / 4.5 US gal 15 Litres / 3.9 US gal