| MODEL | BETA RR 450 MOTARD 2011 - 2012 |
| Year | 2011 - 2012 |
| Engine Type | Four stroke, single cylinder, OHC, 4 valves |
| Displacement / Capacity | 448 cc / 27.3 cu in |
| Bore X Stroke | 95 x 63.4 mm |
| Compression Ratio | 11.95:1 |
| Cooling System | — |
| Max Power | — |
| Max Torque | — |
| Ignition | DC-CDI with variable ignition timing, Kokusan type |
| Induction | Keihin FCR-MX 39 carburettor |
| Start System | Electric and kick |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 6 Speed |
| Clutch | Wet, multi-plate, hydraulically operated |
| Final Drive | O-ring chain, Regina |
| CHASSIS SPECS | |
| Frame | Molybdenum steel, double cradle split above the exhaust port |
| Front Suspension | Marzocchi hydraulic USD fork, 45 mm, 290 mm / 11.4 in travel |
| Rear Suspension | Sachs monoshock, preload, compression and rebound damping adjustable, 290 mm / 11.4 in travel |
| Front Brakes | Single 260 mm floating wave disc, 2 piston caliper |
| Rear Brakes | Single 240 mm wave disc, 1 piston caliper |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | 930 mm / 36.6 in |
| Wheelbase | 1476 mm / 58.1 in |
| Ground Clearance | 320 mm / 12.6 in |
| Dry Weight | 113 kg / 249 lbs |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 120/70-17 |
| Rear Tyre | 150/60-17 |
| FUEL SYSTEM | |
| Fuel Capacity | 8.5 Litres / 2.2 US gal |
| Fuel Consumption | — |
| Top Speed | — |
For 2011 the 450 Motard moved to a new, shorter-stroke engine layout with a higher compression ratio, and the chassis was lighter than the 2009-10 version. It remained a road-legal supermoto with 17-inch wheels and electric start.
