| General |
| Year | 2018 | 2025 |
| Make Model | KTM RC 390 | Yamaha YZF-R9 |
| Dimensions |
| Seat Height | 820 mm / 32.2 in | 831 mm / 32.5 in |
| Wheelbase | 1340 mm / 52.7 in | 1420 mm / 55.9 in |
| Ground Clearance | 179 mm / 7.0 in | 140 mm / 5.5 in |
| Height | 1267 mm / 49.9 in | 1181 mm / 46.5.in |
| Length | 2002 mm / 78.8 in | 1181 mm / 46.5.in |
| Width | 873 mm / 34.4 in | 706 mm / 27.8 in |
| Weights & Capacities |
| Wet Weight (kg) | - | 195 |
| Dry Weight (kg) | 149 | - |
| Dry Weight | 149 kg / 328.5 lbs | - |
| Fuel Capacity | 10 Liters / 2.64 US gal | 14 Litres / 3.7 US gal |
| Wet Weight | - | 195 kg / 430 lbs |
| Performance |
| Max Power | 32 kW / 43 hp @ 9500 rpm | 117.4 hp / 119PS / 87.5 kW @ 10000 rpm |
| Max Torque | 35.3 Nm / 26 lb-ft @7250 rpm | 93 Nm / 68.6lb-ft @ 7000 rpm |
| Engine |
| Displacement | 373 cc / 22.7 cu-in | 889 cc / 54.2 cu-in |
| Engine Detail | Four stroke, single cylinder, DOHC with finger followers, 4 Valve per cylinder | Four stroke, transverse triple cylinder, DOHC, 4 valves per cylinder |
| Bore x Stroke | 89 x 60 mm | 78 x 62.1 mm |
| Compression Ratio | 12.6:1 | 11.5:1 |
| Cooling System | Liquid Cooled | Liquid cooled |
| Engine Management | Bosch EMS with RBW | - |
| Fuel Induction | Bosch Injection | Fuel injection with YCC-T |
| Ignition | - | TCI: Transistor Controlled Ignition |
| Lubrication | Forced oil lubrication with 2 Eaton pumps | Wet sump |
| Starter | Electric | Electric |
| Drivetrain |
| Clutch | Wet multi-disc clutch / mechanically operated | Multiplate assist and slipper clutch |
| Final Drive | Chain 5/8 x 1/4" X‑Ring | O-ring chain |
| Primary Drive Ratios | - | 1.681 (79/47) |
| Transmission / Drive | 6 Speed | Constant mesh 6-speed transmission |
| Chassis |
| Frame Type | Tubular space frame made from steel, powder-coated | Aluminium Deltabox |
| Suspension - Front | WP Suspension Up Side Down | Telescopic fork, fully adjustable KYB |
| Suspension - Rear | WP Monoshock | Swingarm (link suspension), fully-adjustable KYB |
| Rake | - | 22.35° |
| Steering Head Angle | 65 ° | - |
| Trail | 100mm / 3.9 in | 94 mm / 3.7 in |
| Wheel Travel - Front | 120 mm / 4.7 in | 119 mm / 4.7 in |
| Wheel Travel - Rear | 150 mm / 5.9 in | 117 mm / 4.6 in |
| Wheels & Brakes |
| Brakes - Front | Single 320 mm disc 4 piston radial caliper | 2x 320mm hydraulic discs, 4-piston calipers, Brembo Stylema radial master cylinder |
| Brakes - Rear | Single 230 mm disc 1 piston caliper | Single 220mm hydraulic disc, single piston caliper |
| ABS | - | Standard |
| Tyres - Front | 110/70 R17 | 120/70 ZR17 M/C (58W) |
| Tyres - Rear | 150/60 R17 | 180/55 ZR17 M/C (73W) |
| Wheels - Front | - | MT3.5 x 17 M/C |
| Wheels - Rear | - | MT5.50 x 17 M/C |