Comparison of GAS GAS TXT 80 Rookie 2009 and Jawa-CZ 50 Robby 2007 [S]ave
| Attribute |  GAS GAS TXT 80 Rookie 2009 × |  Jawa-CZ 50 Robby 2007 × |
|---|---|---|
| General | ||
| Production from (year) | 2009 | 2007 |
| Make | GAS GAS | Jawa-CZ |
| Model | GAS GAS TXT 80 Rookie | Jawa-CZ 50 Robby |
| Category | Trial | Sport |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor | Carburettor |
| Displacement (cm³) | 72.5 | 49.5 |
| Power (kw) | - | 2.4 |
| Cooling system | Liquid | Air |
| Transmission type,final drive | Chain | Chain |
| Torque (Nm) | - | 3.2 |
| Bore (mm) | 47 | 39 |
| Stroke (mm) | 41.8 | 41.4 |
| Gearbox | 6-speed | 4-speed |
| Clutch | Multidisk hydraulic wet clutch | - |
| Compression | - | 8.5:1 |
| Chassis | ||
| Front suspension | 38 mm adjustable telehydraulic fork | Telescopic forks 80mm |
| Rear suspension | Variable progressivity system | Hydraulic telescopic 70mm |
| Front brakes | Single disc. 4-piston caliper | Single disc |
| Rear brakes | Single disc | Expanding brake (drum brake) |
| Diameter (mm) | 150 | 124 |
| Front tyre | 2.75-21 | -. |
| Rear tyre | 4.00-18 | - |
| Other | ||
| Starter | - | Electric & kick |
| Color options | - |
|
| Dimensions | ||
| Wheelbase (mm) | 1,300 | 1,200 |
| Dry weight (kg) | 64 | 80 |
| Power/weight ratio | - | 0.03 |
| Seat height (mm) | 665 | 730 |
| Performance | ||
| Top speed (km/h) | - | 48 |
| Fuel capacity (l) | 3 | - |
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