| Attribute | Benelli BX 449 Cross 2008 × | Aprilia MXV 4.5 2009 × |
|---|---|---|
| General | ||
| Production from (year) | 2008 | 2009 |
| Make | Benelli | Aprilia |
| Model | Benelli BX 449 Cross | Aprilia MXV 4.5 |
| Category | Cross / motocross | Cross / motocross |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | V2, four-stroke |
| Valves per cylinder | 4 | - |
| Fuel system | Carburettor | Injection. Integrated engine management system controlling ignition and fuel injection. Throttle body: 38 mm |
| Displacement (cm³) | 449 | 449 |
| Power (kw) | 40.4 | - |
| Cooling system | - | Liquid |
| Transmission type,final drive | Chain | Chain |
| Torque (Nm) | 45 | - |
| Bore (mm) | 98 | 76 |
| Stroke (mm) | 59.5 | 49.5 |
| Gearbox | 5-speed | 4-speed |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) | - |
| Ignition | Kokusan CDI digitale | Electronic digital (batteryless). |
| Clutch | Wet cluch 7 steel disks | Multi-plate in oil bath, cable operated. |
| Lubrication system | Wet sump and reeds | Dry sump. Separate gearbox lubrication. |
| Compression | 12.5:1 | 13.0:1 |
| Exhaust system | - | Conforming to FIM standards for 2009. |
| Chassis | ||
| Front suspension | 50 mm fully adjustable | 50 mm Marzocchi upside down fork with adjustments for compression and rebound. |
| Rear suspension | Sachs shock absorber fully adjustable | Pro-Link with Sachs monoshock, adjustable in compression and rebound. |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 220 | 240 |
| Frame type | - | Cr-Mo steel perimeter frame with aluminium alloy vertical members. Headstock rake angle 26.2°. Lightweight rear frame section. |
| Front tyre | 80/0-21 | 80/100-21 |
| Rear tyre | 110/90-19 | 110/90-19 |
| Trail (mm) | 110 | - |
| Rake (fork angle) (degree) | 26.5 | - |
| Other | ||
| Starter | Kick | Kick |
| Color options | - |
|
| Dimensions | ||
| Wheelbase (mm) | 1,450 | 1,499 |
| Overall length (mm) | 2,160 | 2,190 |
| Overall width (mm) | 810 | 815 |
| Seat height (mm) | 960 | 960 |
| Performance | ||
| Fuel capacity (l) | 9 | 7.4 |