| Engine | KTM 390 Duke | Yamaha MT-03 |
|---|---|---|
| Displacement | 373 cc | 660 cc |
| Max power | 43 hp (@8 600 RPM) | 48 hp (@6 250 RPM) |
| Max torque | 25 lb ft (@6 800 RPM) | 41 lb ft (@5 500 RPM) |
| Redline | 10 500 RPM | 7 500 RPM |
| Idling speed | 1 650 RPM | 1 200 RPM |
| Management | Fuel Injection | Fuel Injection |
| Layout | DOHC Single | SOHC Single |
| Compression | 12.90:1 | 10.00:1 |
| Oil capacity | 3.22 quart | |
| Oil type | 15W50 | 10W40, Yamalube 10W40, Shell Rotella 10W40 |
| Spark plug type | BOSCH VR 5 NE, BOSCH VR 5 NEU | NGK CR7E |
| Cooling | Liquid | Liquid |
| Valves | 4 | 4 |
| Bore | 89.0 mm | 100.0 mm |
| Stroke | 60.0 mm | 84.0 mm |
| Weight to power | 8.05 lbs/hp | 8.82 lbs/hp |
| Power to weight | 310 hp/2500lbs | 283 hp/2500lbs |
| Battery type | GT9B-4, 12V 8Ah |
| Gearbox | KTM 390 Duke | Yamaha MT-03 |
|---|---|---|
| Type | Sequential | Sequential |
| Clutch | Wet | Wet |
| Drive | Chain | Chain |
| Chain type | X-Ring 5/8 x 1/4" | |
| Gears count | 6 | 5 |
| Primary ratio | 2.667 | 2.083 |
| Final drive | 3.0 | 3.133 |
| 1. gear | 2.667 (35 mph) | 2.5 (34 mph) |
| 2. gear | 1.857 (50 mph) | 1.625 (52 mph) |
| 3. gear | 1.421 (66 mph) | 1.15 (73 mph) |
| 4. gear | 1.143 (82 mph) | 0.909 (93 mph) |
| 5. gear | 0.956 (98 mph) | 0.769 (109 mph) |
| 6. gear | 0.84 (112 mph) |
| Chasis | KTM 390 Duke | Yamaha MT-03 |
|---|---|---|
| Frame type | Steel trellis frame | Truss diamond |
| Front susp. | USD 43mm, 5.91 in travel | Telescopic fork, 5.12 in travel |
| Rear susp. | Monoshock, 5.91 in travel | Swingarm, 4.72 in travel |