Comparison of Beta M4 2008 and Beta RR 4T 400 2008 [S]ave
| Attribute |  Beta RR 4T 400 2008 × |  Beta M4 2008 × |
|---|---|---|
| General | ||
| Production from (year) | 2008 | 2008 |
| Make | Beta | Beta |
| Model | Beta RR 4T 400 | Beta M4 |
| Category | Enduro / offroad | Super motard |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | - | 4 |
| Fuel system | Carburettor. Keihin FCR-MX 39 | Carburettor. Mikuni BST 33 |
| Displacement (cm³) | 398 | 349 |
| Cooling system | Liquid | Air |
| Bore (mm) | 89 | 79 |
| Stroke (mm) | 64 | 71.2 |
| Gearbox | 6-speed | 6-speed |
| Fuel control | - | Single Overhead Cams (SOHC) |
| Ignition | DC-CDI without trembler with variable ignition timing, Kokusan type. | - |
| Clutch | wet multi-disc clutch | Wet multi-disc clutch |
| Lubrication system | 2 oil pumps | forced with pump |
| Compression | 11.0:1 | 9.5:1 |
| Chassis | ||
| Front suspension | Hydraulic USD fork with ø45 mm shaft | Hydraulic fork with ø46 mm shaft |
| Rear suspension | Monoshock with progressive compound lever | Monoshock with adjustable spring preload |
| Front brakes | Single disc. double-piston floating caliper | Single disc |
| Rear brakes | Single disc. single-piston floating caliper | Single disc |
| Diameter (mm) | 240 | 220 |
| Frame type | Molybdenum steel with double cradle split above the exhaust port | steel double cradle frame |
| Front tyre | 90/90-21 | 120/70-17 |
| Rear tyre | 140/80-18 | 150/60-17 |
| Other | ||
| Starter | - | Electric |
| Dimensions | ||
| Wheelbase (mm) | 1,500 | 1,410 |
| Dry weight (kg) | 117 | 133 |
| Overall height (mm) | 1,255 | 1,220 |
| Overall length (mm) | 2,270 | 2,160 |
| Overall width (mm) | 813 | 860 |
| Seat height (mm) | 940 | 870 |
| Ground clearance (mm) | 320 | 305 |
| Performance | ||
| Reserve fuel capacity (l) | 1 | 3 |
| Fuel capacity (l) | 8.5 | 10.5 |
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