Duke 390 is look wise identical as its 200cc sibling except its orange colored trellis frame and sticker work. The 373.2cc 4-stroke engine of KTM 390 is having best power to weight ratio in its class. The short stroke setup of KTM 390 engine gives the pleasure and surge of a 2-stroke engine.
Engine
| Specification | Value |
| Engine Displacement | 373.2 CC |
| Engine Type | Liquid cooled, 4 stroke |
| Number Of Cylinders | 1 |
| Valves Per Cylinder | 4 |
| Max Power | 43.5 PS @9500 rpm |
| Max Torque | 35.0 Nm @7250 rpm |
| Bore x Stroke | 89.0 x 60.0 mm |
| Fuel Type | Petrol |
| Starter | Electric |
Transmission
| Specification | Value |
| Transmission Type | Manual |
| Number Of Speed Gears | 6 |
| Final Drive (Rear Wheel) | Chain |
WHEELS & TYRES
| Specification | Value |
| Front Tyre | 110/70 - ZR 17 M/C |
| Rear Tyre | 150/60 - ZR 17 M/C |
BRAKES
| Specification | Value |
| Front Brake Type | 300 mm Disc |
| Rear Brake Type | 230 mm Disc |
SUSPENSION
| Specification | Value |
| Suspension Front | WP 43mm upside down forks |
| Suspension Rear | WP Monoshock |
DIMENSIONS
| Specification | Value |
| Overall Length | 2002 mm |
| Overall Width | 873 mm |
| Overall Height | 1274 mm |
| Wheelbase | 1372 mm |
| Ground Clearance | 170 mm |
| Kerb Weight | 154 kg |
| Fuel Capacity | 11.0 Litres |