| General |
| Year | 2024 | 2025 |
| Make Model | KTM 990 Duke | Yamaha YZF-R9 |
| Dimensions |
| Seat Height | 825 mm / 32.5 in | 831 mm / 32.5 in |
| Wheelbase | 1476 mm / 58.1 in | 1420 mm / 55.9 in |
| Ground Clearance | 195 mm / 7.7 in | 140 mm / 5.5 in |
| Height | - | 1181 mm / 46.5.in |
| Length | - | 1181 mm / 46.5.in |
| Width | - | 706 mm / 27.8 in |
| Weights & Capacities |
| Wet Weight (kg) | 179 | 195 |
| Fuel Capacity | 14.8 litres / 3.9 US gal | 14 Litres / 3.7 US gal |
| Wet Weight | 179 kg 395 lbs | 195 kg / 430 lbs |
| Performance |
| Max Power | 121 hp / 90.59 kW @ 9250 rpm | 117.4 hp / 119PS / 87.5 kW @ 10000 rpm |
| Max Torque | 103 Nm / 75.9 lb-ft @ 7750 rpm | 93 Nm / 68.6lb-ft @ 7000 rpm |
| Engine |
| Displacement | 947 cc / 57.8 cu-in | 889 cc / 54.2 cu-in |
| Engine Detail | Four stroke, parallel twin cylinder, DOHC, 4 valve per cylinder | Four stroke, transverse triple cylinder, DOHC, 4 valves per cylinder |
| Bore x Stroke | 92.5 x 70.4 | 78 x 62.1 mm |
| Compression Ratio | - | 11.5:1 |
| Cooling System | Liquid cooled with water/oil heat exchanger | Liquid cooled |
| Emissions | EURO 5 | - |
| Fuel Induction | - | Fuel injection with YCC-T |
| Ignition | - | TCI: Transistor Controlled Ignition |
| Lubrication | Forced oil lubrication with 2 oil pumps | Wet sump |
| Starter | Electric | Electric |
| Drivetrain |
| Clutch | PASC antihopping clutch, mechanically operated | Multiplate assist and slipper clutch |
| Final Drive | Chain 520 X-ring | O-ring chain |
| Primary Drive Ratios | - | 1.681 (79/47) |
| Transmission / Drive | 6-Speed | Constant mesh 6-speed transmission |
| Chassis |
| Frame Type | Chromium-Molybdenum-Steel frame using the engine as stressed element, powder coated | Aluminium Deltabox |
| Suspension - Front | WP APEX 43 | Telescopic fork, fully adjustable KYB |
| Suspension - Rear | WP APEX - Monoshock | Swingarm (link suspension), fully-adjustable KYB |
| Rake | 24.2° | 22.35° |
| Steering Head Angle | 65.8° | - |
| Trail | - | 94 mm / 3.7 in |
| Wheel Travel - Front | 140 mm / 5.5 in | 119 mm / 4.7 in |
| Wheel Travel - Rear | 150 mm / 5.9 in | 117 mm / 4.6 in |
| Wheels & Brakes |
| Brakes - Front | 2x 300mm discs, radially mounted 4-piston caliper | 2x 320mm hydraulic discs, 4-piston calipers, Brembo Stylema radial master cylinder |
| Brakes - Rear | Single 240 mm disc,, 2-piston caliper | Single 220mm hydraulic disc, single piston caliper |
| ABS | - | Standard |
| Tyres - Front | 120/70-17 | 120/70 ZR17 M/C (58W) |
| Tyres - Rear | 180/55-17 | 180/55 ZR17 M/C (73W) |
| Wheels - Front | 17 x 3.5 | MT3.5 x 17 M/C |
| Wheels - Rear | 17 x 5.5 | MT5.50 x 17 M/C |