| Engine | Aprilia RS660 | Ducati Monster |
|---|---|---|
| Displacement | 660 cc | 937 cc |
| Max power | 100 hp (@10 500 RPM) | 111 hp (@9 250 RPM) |
| Max torque | 49 lb ft (@8 500 RPM) | 68 lb ft (@6 500 RPM) |
| Redline | 12 000 RPM | 10 200 RPM |
| Idling speed | 1 200 RPM | 1 200 RPM |
| Management | Fuel Injection | Fuel Injection |
| Layout | DOHC Inline-2 | DOHC Desmodue V2 |
| Compression | 13.50:1 | 13.30:1 |
| Oil type | 15W50 | |
| Spark plug type | NGK MAR9A-J | |
| Cooling | Liquid | Liquid |
| Valves | 8 | 8 |
| Bore | 81.0 mm | 94.0 mm |
| Stroke | 63.0 mm | 67.5 mm |
| Throttle bore | 48.0 mm | |
| Weight to power | 4.03 lbs/hp | 3.73 lbs/hp |
| Power to weight | 619 hp/2500lbs | 669 hp/2500lbs |
| Battery type | 12V 6.5Ah Yuasa YT 7B-BS DRY |
| Gearbox | Aprilia RS660 | Ducati Monster |
|---|---|---|
| Type | Sequential | Sequential |
| Clutch | Wet | Slipper |
| Drive | Chain | Chain |
| Chain type | Regina 520 ZRDK | |
| Gears count | 0 | 6 |
| Primary ratio | 1.848 | |
| Final drive | 2.52 | 2.866 |
| 1. gear | 2.466 (58 mph) | |
| 2. gear | 1.765 (81 mph) | |
| 3. gear | 1.4 (101 mph) | |
| 4. gear | 1.182 (120 mph) | |
| 5. gear | 1.043 (136 mph) | |
| 6. gear | 0.958 (148 mph) |
| Chasis | Aprilia RS660 | Ducati Monster |
|---|---|---|
| Frame type | Double beam aluminum | Aluminum alloy front frame |
| Front susp. | 41mm KYB USD, 4.72 in travel | 43mm Kayaba upside down telescopic fork, 130 mm travel |
| Rear susp. | Monoshock, 5.12 in travel | Kayaba mono shock, 61.0.20 in travel |