| General |
| Year | 2019 | 2026 |
| Make Model | Aprilia RSV-4 Factory | KTM 990 RC-R |
| Dimensions |
| Seat Height | 853 mm / 33.5 in | 845 mm / 33.3 in |
| Wheelbase | 1441.6 mm / 56.7 in | 1481 mm / 58.3 in |
| Ground Clearance | 130 mm / 5.1 in | 163 mm / 6.4 in |
| Length | 2055 mm / 80.9 in | - |
| Width | 735 mm / 28.9 in (at the handlebar) | - |
| Weights & Capacities |
| Dry Weight (kg) | 182 | - |
| Wet Weight (kg) | 204 | 195 |
| Dry Weight | 182 kg / 401 lbs | - |
| Fuel Capacity | 18.5 Litres / 4.9 US gal | 15.7 litres / 4.1 US gal |
| Wet Weight | 204 kg / 450 lbs | 195 kg 430 lbs |
| Performance |
| Max Power | 217 hp / 159.6 kW @ 13200 rpm | 128.2 hp / 94.3 kW @ 9500 rpm |
| Max Torque | 122 Nm / 90 lb-ft @ 11000 rpm [115 Nm at 10,500 rpm] | 103 Nm / 75.9 lb-ft @ 6750 rpm |
| Engine |
| Displacement | 1077 cc / 85.7 cu-in | 947 cc / 57.8 cu-in |
| Engine Detail | Four stroke, longitudinal 65° V four , DOHC, 4 valves per cylinder | Four stroke, parallel twin cylinder, DOHC, 4 valve per cylinder |
| Bore x Stroke | 81 x 52.3 mm | 92.5 x 70.4 mm |
| Compression Ratio | 13.6:1 | 13.5:1 |
| Cooling System | Liquid cooled | Liquid cooled with water/oil heat exchanger |
| Emissions | Euro 4 | EURO 5+ |
| Engine Management | - | Bosch EMS with RBW |
| Exhaust | 4 into 2 into 1 layout, two lambda probes, lateral single silencer with ECU-controlled bypass valve and integrated trivalent catalytic converter | - |
| Fuel Induction | 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: Track, Sport, Race | 46mm DKK Dellorto throttle body |
| 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) | Forced oil lubrication with 2 oil pumps |
| Starter | Electric | Electric |
| Drivetrain |
| Clutch | Multi-disc oil bath with mechanical slipper system | PASC slipper clutch, cable operated |
| Final Drive | Chain | Chain 520 X-ring, 16:43 |
| Primary Drive | - | 42:76 |
| Transmission / Drive | 6 Speed gearbox cassette type | 6-Speed |
| Chassis |
| Frame Type | Aluminium dual beam chassis with pressed and cast sheet elements Available adjustments: headstock position and rake; engine height; swingarm pin height. Smart EC 2.0 electronically managed Öhlins steering damper | Chromium-Molybdenum-Steel frame using the engine as stressed element, powder coated |
| Suspension - Front | Smart EC 2.0 electronically managed Öhlins NIX fork. 43 mm stanchions, with TIN surface treatment. [Sachs fork with  43 mm stanchions]; Aluminium radial calliper mounting bracket. Adjustable spring pre-load and hydraulic compression and rebound damping. | WP APEX 48, open cartridge, compression & rebound (30 Clicks), preload (3 clicks) |
| Suspension - Rear | Double braced aluminium swingarm; mixed low thickness and sheet casting technology. Öhlins TTX monoshock with Smart EC 2.0 electronically managed piggy-back, fully adjustable in: spring pre-load, wheelbase and hydraulic compression and rebound damping. | WP APEX - Monoshock, compression high-speed (3 turns) low-speed (30 clicks), rebound (30 clicks), preload (10 turns) |
| Steering Angle | 24.5° | - |
| Trail | 103 mm / 4.0 in | - |
| Wheel Travel - Front | 120 mm / 4.7 in | 147 mm / 5.8 in |
| Wheel Travel - Rear | 130 mm / 5.1 in | 134 mm / 5.3 in |
| Electronics |
| Traction control | APRC System (Aprilia Performance Ride Control), which includes Traction Control (ATC), Wheelie Control (AWC), Launch Control (ALC), cruise control (ACC) and speed limiter (APT), all of which can be configured and deactivated independently | - |
| Electrical Systems |
| Alternator | Flywheel mounted 450 W alternator with rare earth magnets | - |
| Wheels & Brakes |
| Brakes - Front | 2 x 330-mm diameter floating stainless steel disc with lightweight stainless steel rotor and aluminium flange with 6 pins. Brembo StylemaØ [M50] monobloc radial callipers with 4 30 mm opposing pistons. Sintered pads. Radial pump and metal braided brake hose | 2 x 320mm discs, radially mounted 4 piston caliper |
| Brakes - Rear | Single220 mm diameter disc; Brembo calliper with two  32 mm separate pistons. Sintered pads. Pump with integrated tank and metal braided hose Bosch 9.1 MP ABS with cornering function, adjustable to 3 maps equipped with RLM (Rear wheel Lift-up Mitigation) (can be disabled). | Single 240 mm disc, single piston caliper |
| ABS | - | Standard |
| Tyres | Radial tubeless | - |
| Tyres - Front | 120/70 ZR17 | 120/70-ZR 17 |
| Tyres - Rear | 200/55 ZR 17 (alternative: 190/50 ZR 17; 190/55 ZR 17) | 180/55-ZR 17 |
| Wheels | Aprilia in aluminium alloy wheels with 3 split spoke design | Cast aluminium |
| Wheels - Front | 3.5 x 17 | 3.5 x 17 |
| Wheels - Rear | 6.0 x 17 | 5.5 x 17 |