Comparison of Beta RR 50 Motard 2010 and Yamaha YZ 85 LW 2004 [S]ave
| Attribute |  Beta RR 50 Motard 2010 × |  Yamaha YZ 85 LW 2004 × |
|---|---|---|
| General | ||
| Production from (year) | 2010 | 2004 |
| Make | Beta | Yamaha |
| Model | Beta RR 50 Motard | Yamaha YZ 85 LW |
| Category | Super motard | Cross / motocross |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Valves per cylinder | - | 5 |
| Fuel system | Carburettor. Dell´Orto PHBN 16 FS | - |
| Displacement (cm³) | 49.7 | 84.7 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | - |
| Bore (mm) | 40.3 | 47.5 |
| Stroke (mm) | 39 | 47.8 |
| Gearbox | 6-speed | - |
| Fuel control | Overhead Cams (OHC) | Double Overhead Cams/Twin Cam (DOHC) |
| Clutch | Wet multi-plate | - |
| Lubrication system | Mixing with mechanical pump, fuel 1,5% with synthetic oil. | - |
| Compression | 12.0:1 | 8.2:1 |
| Chassis | ||
| Front suspension | Hydraulic fork with ø36 mm shaft | Telescopic fork |
| Rear suspension | Monoshock with adjustable spring preload | Swinging arm (monocross) |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 220 | 146 |
| Front tyre | 110/80-17 | 70/100-19 |
| Rear tyre | 130/70-17 | 90/100-16 |
| Front wheel travel (mm) | 230 | 275 |
| Rear wheel travel (mm) | 285 | 287 |
| Other | ||
| Color options |
|
|
| Dimensions | ||
| Wheelbase (mm) | 1,325 | 1,255 |
| Dry weight (kg) | 85 | 69 |
| Overall height (mm) | 1,120 | 1,205 |
| Overall length (mm) | 1,960 | 1,903 |
| Overall width (mm) | 800 | 758 |
| Seat height (mm) | 910 | 904 |
| Ground clearance (mm) | 355 | 393 |
| Performance | ||
| Reserve fuel capacity (l) | 1 | - |
| Fuel capacity (l) | 6 | - |
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