| General |
| Year | 2017 | 2025 |
| Make Model | Aprilia RSV-4 RR | Harley Davidson Sportster S |
| Dimensions |
| Seat Height | 845 mm / 33.2 in | 765 mm / 30.1 in |
| Wheelbase | - | 1520 mm / 59.8 in |
| Ground Clearance | 130 mm / 5.1 in | 90 mm / 3.5 in |
| Height | 1120 mm / 44.0 in | 1085 mm / 42.7 in |
| Length | 2040 mm / 80.3 in | 2270 mm / 89.42 in |
| Seat Height (Laden) | - | 734 mm / 28.9 in |
| Width | 735 mm / 28.9 in (at the handlebar) | 840 mm / 33.1 in |
| Weights & Capacities |
| Dry Weight (kg) | 182 | 221 |
| Wet Weight (kg) | - | 228 |
| Dry Weight | 182 kg / 401 lbs | 221 kg / 487 lbs |
| Fuel Capacity | 18.5 Liters / 4.9 US gal | 11.7 Litres / 3.1 US gal |
| Wet Weight | - | 228 kg / 502 lbs |
| Performance |
| Max Power | 148 kW / 201 hp @ 13000 rpm | 121 hp / 90 kW @ 7500 rpm |
| Max Torque | 117 Nm / 11.9 kgf-m / 86.2 lb-ft @ 10500 rpm | 126 Nm / 93 lb-ft @ 6000 rpm |
| Engine |
| Displacement | 999.6 cc / 61.0 cu-in | 1252 cc / 76.4 cu-in |
| Engine Detail | Four stroke, longitudinal 65° V four , DOHC, 4 valves per cylinder | Four stroke, 60° V-twin Revolution Max 1250, Chain-driven, DOHC, hydraulic self-adjusting lifters, intake & exhaust VVT, four valves per cylinder |
| Bore x Stroke | 78 x 52.3 mm | 105 x 72.3 mm |
| Compression Ratio | 13.6:1 | 12.0:1 |
| Cooling System | Liquid cooled | Liquid cooled |
| Exhaust | 4 into 2 into 1 layout, two oxygen sensors, lateral single silencer with ECU-controlled bypass valve and integrated trivalent catalytic converter (Euro 4) Alternator Flywheel mounted 450 W alternator with rare earth magnets | 2-into-1-into-2, catalyst in muffler |
| Fuel Induction | Airbox with front dynamic air intakes. Variable length intake ducts controlled via ECU. Airbox with front dynamic air intakes. 4 Marelli 48-mm throttle bodies with 8 injectors and latest generation Ride-By-Wire engine management. Choice of three different engine maps selectable by the rider with bike in motion: T (Track), S (Sport), R (Race) | Electronic Sequential Port Fuel Injection (ESPFI) |
| Fuel Reserve | 4 Liters / 1.1 US gal | - |
| Ignition | Magneti Marelli digital electronic ignition system integrated in engine control system, with one spark plug per cylinder and °stick-coil"-type coils | - |
| Lubrication | Wet sump lubrication system with oil radiator and two oil pumps (lubrication and cooling) | Semi-dry sump |
| Starter | Electric | Electric |
| Drivetrain |
| Clutch | Multi-disc oil bath with mechanical slipper system | Mechanical, 8 plate wet, assist & slip, 1090N |
| Final Drive | Chain | Belt, 34/80 ratio |
| Gear Ratios | 1st: 39/15 (2.600) 2nd: 33/16 (2.063) 3rd: 34/20 (1.700) 4th: 31/21 (1.476) 5th: 31/23 (1.348) 6th: 34/27 (1.259) | 1st 12.21 / 2nd 9.022 / 3rd 6.994 / 4th 5.641 / 5th 4.731 / 6th 4.131 |
| Primary Drive | Straight cut gears and integrated flexible coupling, drive ratio: 73:44 (1,659) | Gear, 49/89 ratio |
| Secondary Drive | Secondary drive Chain: Drive ratio: 42:16 (2.625) | - |
| Transmission / Drive | 6 Speed gearbox cassette type | 6 Speed |
| Chassis |
| Frame Type | Dual aluminium beam chassis with pressed and cast sheet elements | Stressed-member, high strength low alloy steel trellis frame; stamped, cast, and forged junctions; MIG welded; aluminum forged mid-structure |
| Suspension - Front | Sachs upside-down fork, 43-mm stanchions (with Tin surface treatment). Low profile forged aluminium radial caliper mounting bracket. Adjustable spring preload, hydraulic compression and rebound damping | 43 mm inverted fork with compression, rebound and spring preload adjustability. Aluminium fork triple clamps |
| Suspension - Rear | Twin sided aluminium swingarm; mixed low thickness and sheet casting technology. Sachs monoshock adjustable: spring preload, wheelbase and hydraulic compression and rebound damping. APS progressive linkages. | Linkage-mounted, piggyback monoshock with compression, rebound and hydraulic spring preload adjustability |
| Fork Angle | - | 28° |
| Lean Angle | - | 35° |
| Rake | - | 30° |
| Steering Angle | 24.5° | - |
| Swingarm | - | High strength low alloy steel, tubular sections, stamped x-member, forged axle junctions; MIG welded |
| Trail | 105 mm / 4.1 in | 148 mm / 5.8 in |
| Wheel Travel - Front | 120 mm / 4.7 in | 92 mm / 3.6 in |
| Wheel Travel - Rear | 130 mm / 5.1 in | 82 mm / 3.2 in |
| Electrical Systems |
| Alternator | Flywheel mounted 420W alternator with rare earth magnets | - |
| Wheels & Brakes |
| Brakes - Front | 2 x Ø320 mm diameter floating stainless steel disc with lightweight stainless steel rotor and aluminium flange with 6 pins. Brembo monobloc radial calipers with 4 x Ø30 mm opposing. Sintered pads. Radial pump and metal braided brake hose | Single 320mm rotor, radially mounted, monoblock, 4-piston caliper |
| Brakes - Rear | Single Ø220 mm diameter disc, Brembo floating caliper with two Ø32 mm isolated pistons. Pump with integrated tank and metal braided hose | Single 260mm solid uniform expansion rotor, floating single piston caliper |
| ABS | - | Standard |
| Rims - Front | - | 4.5 x 17 |
| Rims - Rear | - | 5.0 x 16 |
| Tyres - Front | 120/70 ZR17 | 160/70TR17 73V Dunlop- Harley-Davidson Series, radial, GT503 |
| Tyres - Rear | 200/55 ZR 17 (alternative: 190/50 ZR 17; 190/55 ZR17) | 180/70R16 77V Dunlop- Harley-Davidson Series, radial, GT503 |
| Wheels | - | Aluminum cast, satin black |
| Wheels - Front | 3.5 x 17 | - |
| Wheels - Rear | 6.0 x 17 | - |