With the KTM 390 DUKE, the world around you becomes your very own gymkhana. Bringing exceptional agility, lightweight handling, and punchy performance to the street, this middle-weight bruiser is ready to take on any twists or turns. Packing state-of-the-art rider aids as well as adjustable suspension – and aggressive looks – the 2025 KTM 390 DUKE wears the crown when it comes to carving up the asphalt.
Key Specifications
| Engine Type | 1-cylinder, 4-stroke engine |
| Engine Capacity | 398.7 cc |
| Max Power | 45 PS |
| Max Torque | 39 NM |
| Top Speed | ~ 165 kmph / 102.5 mph |
| Fuel Tank Capacity | 15 L / 3.96 US gallons |
| Weight (Wet/Kerb) | ~ 165 kg / 363.7 lbs |
| Seat Height | 800 mm / 31.49 inches 820 mm / 32.28 inches |
*n/a – information not provided by manufacturer
All Specifications
Make & Model
| Model | KTM 390 Duke |
| Year | 2025 |
Engine
| Engine Type | 1-cylinder, 4-stroke engine |
| Displacement | 398.7 cc |
| Bore x Stroke | 89 mm x 64 mm |
| Compression Ratio | 12.59 : 1 |
| Number of Cylinders | 1 |
| Max Horsepower | 45 PS |
| Max Torque | 39 NM |
| Valve Train | DOHC |
| Valves per Cylinder | 4 |
| Engine Management System | Bosch EMS with RBW |
| Lubrication System | Pressure circulation lubrication |
| Cooling System | Liquid cooling, permanent circulation of coolant by water pump |
| Ignition System | Fully electronic ignition |
| Fuel | Super Unleaded (ROZ 95) |
Performance
| Top Speed | ~ 165 kmph / 102.5 mph |
*n/a – information not provided by manufacturer
Transmission
| Clutch | Multi disc clutch in oil bath |
| Gearbox | 6 speed transmission |
| Primary Drive Ratio | 33:86 |
| Gear Ratios | 1st gear – 12:32 2nd gear – 14:26 3rd gear – 19:27 4th gear – 21:24 5th gear – 23:22 6th gear – 25:21 |
| Final Drive | Chain (520 X-RIng) |
| Traction Control System | MTC |
Electrical & Electronics System
| Battery | 12 V ETZ-9-BS |
| Alternator/Generator | 12V 230W |
| Starter | Electric starter |
| Headlight Type | LED |
| Taillight Type | LED |
| Instrumentation | 5 inch TFT |
| Riding Modes | Street, Rain, Track |
| Traction Control System | MTC |
| Launch Control | Yes |
| ABS | ABS |
Chassis & Suspension
| Frame Type | Steel trellis frame, powder coated |
| Front Suspension | WP APEX 43, Compression and rebound adjustable |
| Front Suspension Travel | 150 mm / 6 inches |
| Rear Suspension | WP APEX Split Piston Preload, Rebound adjuster |
| Rear Suspension Travel | 150 mm / 6 inches |
Wheels & Brakes
| Wheels | Cast Aluminum |
| Front Wheel/Rim Size | 3 x 17″ |
| Front Tire Size | 110/70 ZR 17 M/C (54W) TL |
| Rear Wheel/Rim Size | 4 x 17″ |
| Rear Tire Size | 150/60 ZR 17 M/C (66W) TL |
| Front Brakes | 320 mm disc, Four-piston radial fixed calliper |
| Rear Brakes | 240 mm disc, Four-piston radial fixed calliper |
Dimension & Weights
| Seat Height | 800 mm / 31.49 inches 820 mm / 32.28 inches |
| Wheelbase | 1357 mm / 53.42 inches |
| Ground Clearance | 175 mm / 6.88 inches |
| Fuel Tank Capacity | 15 L / 3.96 US gallons |
| Wet (kerb/curb) Weight | ~ 165 kg / 363.7 lbs |
| Dry Weight | 149 kg / 328.48 lbs |
| Max Load Capacity | 355 kg / 782.6 lbs |
Riding Aids
- Launch Control
- Get ready to rocket off the line, because, for the first time ever, the KTM 390 DUKE comes equipped with Launch Control as standard. With TRACK Mode selected and Launch Control engaged, the engine will peak at 7,000 rpm with a wide open throttle, waiting for the rider to release the clutch.
