| General |
| Year | - | 2026 |
| Colours | Red/Black, Black/Bright Green Metallic, Metallic Black, Phoenix, (Pearl White/Pearl Blue/Red - limited edition) | - |
| Make Model | - | KTM 990 RC-R |
| Dimensions |
| Wheelbase (mm) | 1,369 mm | - |
| Seat Height (in.) | 32.3 inches | - |
| Seat Height (mm) | 820 mm | - |
| Wheelbase (in.) | 53.9 inches | - |
| Seat Height | 820 mm / 32.3 in. | 845 mm / 33.3 in |
| Wheelbase | 1,369 mm / 53.9 in. | 1481 mm / 58.3 in |
| Ground Clearance | - | 163 mm / 6.4 in |
| Weights & Capacities |
| Wet Weight (lbs.) | 410.0 pounds | - |
| Fuel Capacity (l) | 18.16 litres | - |
| Wet Weight (kg) | 186.0 kg | 195 |
| Fuel Capacity (gal.) | 4.80 gallons | - |
| Fuel Capacity | 18.16 litres / 4.80 gallons | 15.7 litres / 4.1 US gal |
| Wet Weight | 186.0 kg / 410.0 lbs | 195 kg 430 lbs |
| Performance |
| Max Power | - | 128.2 hp / 94.3 kW @ 9500 rpm |
| Max Torque | - | 103 Nm / 75.9 lb-ft @ 6750 rpm |
| Engine |
| Engine Type | In-line four | - |
| Displacement (cc) | 599.00 cc | - |
| Stroke | 4 | - |
| Bore x Stroke (mm) | 67.0 x 42.5 mm | - |
| Bore x Stroke (in,) | 2.6 x 1.7 inches | - |
| Displacement (ci) | 36.55 cubic inches | - |
| Fuel Control | DOHC | - |
| Displacement | - | 947 cc / 57.8 cu-in |
| Engine Detail | - | Four stroke, parallel twin cylinder, DOHC, 4 valve per cylinder |
| Fuel System | Injection. Dual Stage Fuel Injection (DSFI) with 40mm throttle bodies, Denso 12-hole injectors | - |
| Bore x Stroke | - | 92.5 x 70.4 mm |
| Compression Ratio | 12.2:1 | 13.5:1 |
| Cooling System | - | Liquid cooled with water/oil heat exchanger |
| Emissions | - | EURO 5+ |
| Engine Management | - | Bosch EMS with RBW |
| Fuel Induction | - | 46mm DKK Dellorto throttle body |
| Ignition | Computer-controlled digital transistorized with three-dimensional mapping | - |
| Lubrication | - | Forced oil lubrication with 2 oil pumps |
| Starter | Electric | Electric |
| Valve System | 4 | - |
| Drivetrain |
| Clutch | - | PASC slipper clutch, cable operated |
| Final Drive | Chain | Chain 520 X-ring, 16:43 |
| Gearbox | 6-speed | - |
| Primary Drive | - | 42:76 |
| Transmission / Drive | - | 6-Speed |
| Chassis |
| Wheel Travel - Rear (mm) | 130 mm | - |
| Wheel Travel - Rear (in.) | 5.1 inches | - |
| Wheel Travel - Front (mm) | 119 mm | - |
| Trail (mm) | 98 mm | - |
| Trail (in.) | 3.8 inches | - |
| Wheel Travel - Front (in.) | 4.7 inches | - |
| Frame Type | - | Chromium-Molybdenum-Steel frame using the engine as stressed element, powder coated |
| Suspension - Front | 41mm inverted HMAS cartridge fork with spring-preload, rebound and compression damping adjustability | WP APEX 48, open cartridge, compression & rebound (30 Clicks), preload (3 clicks) |
| Suspension - Rear | Unit Pro-Link HMAS single shock with spring preload, rebound and compression damping adjustability | WP APEX - Monoshock, compression high-speed (3 turns) low-speed (30 clicks), rebound (30 clicks), preload (10 turns) |
| Rake | 23.5° | - |
| Trail | 98 mm / 3.8 in. | - |
| Wheel Travel - Front | 119 mm / 4.7 in. | 147 mm / 5.8 in |
| Wheel Travel - Rear | 130 mm / 5.1 in. | 134 mm / 5.3 in |
| Wheels & Brakes |
| Brakes - Front Diameter (in.) | 12.2 inches | - |
| Brakes - Front Diameter (mm) | 310 mm | - |
| Brakes - Rear Diameter (in.) | 8.7 inches | - |
| Brakes - Rear Diameter (mm) | 220 mm | - |
| Brakes - Front | Double disc | 2 x 320mm discs, radially mounted 4 piston caliper |
| Brakes - Rear | Single disc | Single 240 mm disc, single piston caliper |
| ABS | - | Standard |
| Tyres - Front | 120/70-ZR17 | 120/70-ZR 17 |
| Tyres - Rear | 180/55-ZR17 | 180/55-ZR 17 |
| Wheels | - | Cast aluminium |
| Wheels - Front | - | 3.5 x 17 |
| Wheels - Rear | - | 5.5 x 17 |