| Engine | Kawasaki Z900 | KTM 390 Duke |
|---|---|---|
| Displacement | 948 cc | 373 cc |
| Max power | 125 hp (@9 500 RPM) | 43 hp (@8 600 RPM) |
| Max torque | 72 lb ft (@7 700 RPM) | 25 lb ft (@6 800 RPM) |
| Redline | 10 500 RPM | 10 500 RPM |
| Idling speed | 1 100 RPM | 1 650 RPM |
| Management | Fuel Injection | Fuel Injection |
| Layout | DOHC Inline-4 | DOHC Single |
| Compression | 11.80:1 | 12.90:1 |
| Oil capacity | 3.79 quart | |
| Oil type | 15W50 | |
| Spark plug type | NGK CR9EIA-9 | BOSCH VR 5 NE, BOSCH VR 5 NEU |
| Cooling | Liquid | Liquid |
| Valves | 16 | 4 |
| Bore | 73.4 mm | 89.0 mm |
| Stroke | 56.0 mm | 60.0 mm |
| Weight to power | 3.70 lbs/hp | 8.05 lbs/hp |
| Power to weight | 674 hp/2500lbs | 310 hp/2500lbs |
| Battery type | 12 V 8 Ah, YTX9-BS |
| Gearbox | Kawasaki Z900 | KTM 390 Duke |
|---|---|---|
| Type | Sequential | Sequential |
| Clutch | Wet | Wet |
| Drive | Chain | Chain |
| Chain type | X-Ring 5/8 x 1/4" | |
| Gears count | 6 | 6 |
| Primary ratio | 1.627 | 2.667 |
| Final drive | 2.933 | 3.0 |
| 1. gear | 2.692 (60 mph) | 2.667 (35 mph) |
| 2. gear | 2.059 (79 mph) | 1.857 (50 mph) |
| 3. gear | 1.65 (98 mph) | 1.421 (66 mph) |
| 4. gear | 1.409 (115 mph) | 1.143 (82 mph) |
| 5. gear | 1.222 (133 mph) | 0.956 (98 mph) |
| 6. gear | 1.034 (157 mph) | 0.84 (112 mph) |
| Chasis | Kawasaki Z900 | KTM 390 Duke |
|---|---|---|
| Frame type | Tubular backbone (with engine subframe), high tensile steel | Steel trellis frame |
| Front susp. | 41 mm inverted fork (120 mm travel) | USD 43mm, 5.91 in travel |
| Rear susp. | Bottom-Link Uni-Trak (137 mm travel) | Monoshock, 5.91 in travel |