| General |
| Year | 2013 - 14 | 2025 |
| Make Model | KTM 125 Duke | Yamaha YZF-R9 |
| Dimensions |
| Seat Height | 810 mm / 31.8 in | 831 mm / 32.5 in |
| Wheelbase | 1367 mm / 53.8 in | 1420 mm / 55.9 in |
| Ground Clearance | 170 mm / 6.7 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) | - | 195 |
| Dry Weight (kg) | 127 | - |
| Dry Weight | 127 kg / 280 lbs | - |
| Fuel Capacity | 11 Litres / 2.9 US gal / 2.4 Imp gal | 14 Litres / 3.7 US gal |
| Wet Weight | - | 195 kg / 430 lbs |
| Performance |
| Max Power | 11.3 kW / 15 hp @ 10500 rpm | 117.4 hp / 119PS / 87.5 kW @ 10000 rpm |
| Max Torque | 12 Nm / 1.22 kgf-m / 8.85 ft-lb @ 8000 rpm | 93 Nm / 68.6lb-ft @ 7000 rpm |
| Engine |
| Displacement | 124.7 cc / 7.6 cu-in | 889 cc / 54.2 cu-in |
| Engine Detail | Four stroke, single cylinder, DOHC, 4 Valves | Four stroke, transverse triple cylinder, DOHC, 4 valves per cylinder |
| Bore x Stroke | 58 x 47 mm | 78 x 62.1 mm |
| Compression Ratio | 14.5:1 | 11.5:1 |
| Cooling System | Liquid cooled | Liquid cooled |
| Fuel Induction | Electronic fuel injection | Fuel injection with YCC-T |
| Ignition | Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment | TCI: Transistor Controlled Ignition |
| Lubrication | Forced oil lubrication with 1 Eaton pump | Wet sump |
| Starter | Electric | Electric |
| Drivetrain |
| Clutch | Multi-disc clutch, operated hydraulically | 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 | Space frame in chrome -molybdenum steel tubes Subframe: steel | Aluminium Deltabox |
| Suspension - Front | 38 mm WP upside-down fork | Telescopic fork, fully adjustable KYB |
| Suspension - Rear | WP monoshock. | Swingarm (link suspension), fully-adjustable KYB |
| Rake | - | 22.35° |
| Steering Head Angle | 65° | - |
| Trail | - | 94 mm / 3.7 in |
| Wheel Travel - Front | 160 mm / 6.2 in | 119 mm / 4.7 in |
| Wheel Travel - Rear | 160 mm / 6.2 in | 117 mm / 4.6 in |
| Wheels & Brakes |
| Brakes - Front | Single 280 mm disc | 2x 320mm hydraulic discs, 4-piston calipers, Brembo Stylema radial master cylinder |
| Brakes - Rear | Single 220 mm disc | Single 220mm hydraulic disc, single piston caliper |
| ABS | - | Standard |
| Tyres - Front | 110/70 -17 | 120/70 ZR17 M/C (58W) |
| Tyres - Rear | 150/60 -17 | 180/55 ZR17 M/C (73W) |
| Wheels - Front | - | MT3.5 x 17 M/C |
| Wheels - Rear | - | MT5.50 x 17 M/C |