| Attribute | Value |
| General |
| Production from | 2008 year |
| Make | Beta |
| Model | Beta RR 4T 400 |
| Category | Enduro / offroad |
| Engine and transmission |
| Engine type | Single cylinder, four-stroke |
| Valves per cylinder | Add |
| Fuel system | Carburettor. Keihin FCR-MX 39 |
| Engine details | Add |
| Displacement | 398 cm³ |
| Power | Add |
| Max RPM | Add |
| Fuel consumption | Add |
| Cooling system | Liquid |
| Transmission type,final drive | Add |
| Torque | Add |
| Bore | 89 mm |
| Stroke | 64 mm |
| Gearbox | 6-speed |
| Greenhouse gases | Add |
| Fuel control | Add |
| Emission details | Add |
| Driveline | Add |
| Ignition | DC-CDI without trembler with variable ignition timing, Kokusan type. |
| Clutch | wet multi-disc clutch |
| Lubrication system | 2 oil pumps |
| Compression | 11.0:1 |
| Exhaust system | Add |
| Chassis |
| Front suspension | Hydraulic USD fork with ø45 mm shaft |
| Rear suspension | Monoshock with progressive compound lever |
| Front brakes | Single disc. double-piston floating caliper |
| Rear brakes | Single disc. single-piston floating caliper |
| Diameter | 240 mm |
| Frame type | Molybdenum steel with double cradle split above the exhaust port |
| Front tyre | 90/90-21 |
| Rear tyre | 140/80-18 |
| Seat | Add |
| Wheels | Add |
| Front wheel travel | Add |
| Rear wheel travel | Add |
| Trail | Add |
| Rake (fork angle) | Add |
| Other |
| Battery capacity | Add |
| Starter | Add |
| Color options | Add |
| Carrying capacity | Add |
| Light | Add |
| Instruments | Add |
| Electrical Voltage | Add |
| Dimensions |
| Wheelbase | 1,500 mm |
| Kerb weight | Add |
| Dry weight | 117 kg |
| Power/weight ratio | Add |
| Overall height | 1,255 mm |
| Overall length | 2,270 mm |
| Overall width | 813 mm |
| Seat height | 940 mm |
| Alternate seat height | Add |
| Ground clearance | 320 mm |
| Front percentage of weight | Add |
| Rear percentage of weight | Add |
| Performance |
| Top speed | Add |
| Acceleration 0-100 km/h | Add |
| Length | Add |
| Reserve fuel capacity | 1 l |
| Fuel capacity | 8.5 l |
| Oil capacity | Add |
| Width | Add |
| Height | Add |