| Engine | Yamaha Vmax | KTM 125 Duke |
|---|---|---|
| Displacement | 1679 cc | 125 cc |
| Max power | 170 hp | 15 hp (@9 500 RPM) |
| Max torque | 99 lb ft | 8 lb ft (@8 000 RPM) |
| Redline | 9 500 RPM | 11 000 RPM |
| Idling speed | 1 200 RPM | 1 450 RPM |
| Management | Fuel Injection | Fuel Injection |
| Layout | SOHC V4 | DOHC Single |
| Compression | 11.30:1 | 11.50:1 |
| Oil capacity | 1.42 quart | |
| Oil type | 10W40 | |
| Spark plug type | BOSCH VR 5 NE, BOSCH Super RS VR 5 NEW | |
| Cooling | Liquid | Liquid |
| Valves | 4 | |
| Bore | 90.0 mm | 58.0 mm |
| Stroke | 66.0 mm | 47.2 mm |
| Weight to power | 4.03 lbs/hp | |
| Power to weight | 619 hp/2500lbs | |
| Battery type | FTZ-7 |
| Gearbox | Yamaha Vmax | KTM 125 Duke |
|---|---|---|
| Type | Sequential | Sequential |
| Clutch | Slipper | Wet |
| Drive | Chain | Chain |
| Chain type | X-Ring 5/8 x 1/4" | |
| Gears count | 0 | 6 |
| Primary ratio | 3.273 | |
| Final drive | 3.214 | |
| 1. gear | 2.834 (27 mph) | |
| 2. gear | 2.067 (36 mph) | |
| 3. gear | 1.555 (48 mph) | |
| 4. gear | 1.238 (60 mph) | |
| 5. gear | 1.045 (71 mph) | |
| 6. gear | 0.917 (82 mph) |
| Chasis | Yamaha Vmax | KTM 125 Duke |
|---|---|---|
| Frame type | Aluminum die cast frame | Steel trellis frame |
| Front susp. | YHSJ 52mm fork, 4.72 in travel | USD 43mm, 5.91 in travel |
| Rear susp. | YHSJ shock, 4.33 in travel | Monoshock, 5.91 in travel |