| Engine | Aprilia RS660 | Aprilia RSV4 R-FW |
|---|---|---|
| Displacement | 660 cc | 999 cc |
| Max power | 100 hp (@10 500 RPM) | 230 hp (@13 000 RPM) |
| Max torque | 49 lb ft (@8 500 RPM) | 84 lb ft (@10 500 RPM) |
| Redline | 12 000 RPM | 13 500 RPM |
| Idling speed | 1 200 RPM | 1 200 RPM |
| Management | Fuel Injection | Fuel Injection |
| Layout | DOHC Inline-2 | DOHC V4 |
| Compression | 13.50:1 | 13.60:1 |
| Cooling | Liquid | Liquid |
| Valves | 8 | 16 |
| Bore | 81.0 mm | 78.0 mm |
| Stroke | 63.0 mm | 52.3 mm |
| Throttle bore | 48.0 mm | 48.0 mm |
| Weight to power | 4.03 lbs/hp | |
| Power to weight | 619 hp/2500lbs |
| Gearbox | Aprilia RS660 | Aprilia RSV4 R-FW |
|---|---|---|
| Type | Sequential | Sequential |
| Clutch | Wet | Wet |
| Drive | Chain | Chain |
| Chain type | ||
| Gears count | 0 | 6 |
| Primary ratio | 1.659 | |
| Final drive | 2.52 | 2.562 |
| 1. gear | 2.6 (93 mph) | |
| 2. gear | 2.063 (117 mph) | |
| 3. gear | 1.7 (143 mph) | |
| 4. gear | 1.476 (164 mph) | |
| 5. gear | 1.348 (179 mph) | |
| 6. gear | 1.259 (193 mph) |
| Chasis | Aprilia RS660 | Aprilia RSV4 R-FW |
|---|---|---|
| Frame type | Double beam aluminum | Twin-spar aluminium |
| Front susp. | 41mm KYB USD, 4.72 in travel | Ohlins USD 43mm, 4.72 in travel |
| Rear susp. | Monoshock, 5.12 in travel | Aluminium swingarm, ohlins monoshock, 5.12 in travel |