| General |
| Year | 2017 | 2026 |
| Make Model | Aprilia RSV-4 RR | KTM 990 RC-R |
| Dimensions |
| Seat Height | 845 mm / 33.2 in | 845 mm / 33.3 in |
| Wheelbase | - | 1481 mm / 58.3 in |
| Ground Clearance | 130 mm / 5.1 in | 163 mm / 6.4 in |
| Height | 1120 mm / 44.0 in | - |
| Length | 2040 mm / 80.3 in | - |
| Width | 735 mm / 28.9 in (at the handlebar) | - |
| Weights & Capacities |
| Dry Weight (kg) | 182 | - |
| Wet Weight (kg) | - | 195 |
| Dry Weight | 182 kg / 401 lbs | - |
| Fuel Capacity | 18.5 Liters / 4.9 US gal | 15.7 litres / 4.1 US gal |
| Wet Weight | - | 195 kg 430 lbs |
| Performance |
| Max Power | 148 kW / 201 hp @ 13000 rpm | 128.2 hp / 94.3 kW @ 9500 rpm |
| Max Torque | 117 Nm / 11.9 kgf-m / 86.2 lb-ft @ 10500 rpm | 103 Nm / 75.9 lb-ft @ 6750 rpm |
| Engine |
| Displacement | 999.6 cc / 61.0 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 | 78 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 5+ |
| Engine Management | - | Bosch EMS with RBW |
| 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 | - |
| 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) | 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 |
| 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) | - |
| Primary Drive | Straight cut gears and integrated flexible coupling, drive ratio: 73:44 (1,659) | 42:76 |
| 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 | Chromium-Molybdenum-Steel frame using the engine as stressed element, powder coated |
| 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 | WP APEX 48, open cartridge, compression & rebound (30 Clicks), preload (3 clicks) |
| 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. | WP APEX - Monoshock, compression high-speed (3 turns) low-speed (30 clicks), rebound (30 clicks), preload (10 turns) |
| Steering Angle | 24.5° | - |
| Trail | 105 mm / 4.1 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 |
| 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 | 2 x 320mm discs, radially mounted 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 240 mm disc, single piston caliper |
| ABS | - | Standard |
| Tyres - Front | 120/70 ZR17 | 120/70-ZR 17 |
| Tyres - Rear | 200/55 ZR 17 (alternative: 190/50 ZR 17; 190/55 ZR17) | 180/55-ZR 17 |
| Wheels | - | Cast aluminium |
| Wheels - Front | 3.5 x 17 | 3.5 x 17 |
| Wheels - Rear | 6.0 x 17 | 5.5 x 17 |