Comparison of GAS GAS TXT Boy 50cc 2011 and Yamaha TT-R 90 E 2005 [S]ave
| Attribute |  GAS GAS TXT Boy 50cc 2011 × |  Yamaha TT-R 90 E 2005 × |
|---|---|---|
| General | ||
| Production from (year) | 2011 | 2005 |
| Make | GAS GAS | Yamaha |
| Model | GAS GAS TXT Boy 50cc | Yamaha TT-R 90 E |
| Category | Trial | Enduro / offroad |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor. Dell´Orto PHVA14 - Intake by reed valve | Carburettor |
| Displacement (cm³) | 49.4 | 89 |
| Cooling system | Liquid | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 40 | 47 |
| Stroke (mm) | 39.3 | 51.8 |
| Gearbox | 2-speed | 3-speed |
| Fuel control | - | Single Overhead Cams (SOHC) |
| Ignition | Variable Electronic | - |
| Clutch | Automatic system with manual influence | - |
| Lubrication system | 2% Mixture | - |
| Compression | - | 8.5:1 |
| Chassis | ||
| Front suspension | 32mm Marzocchi fork | Telescopic fork |
| Rear suspension | Hydraulic Sachs shock | Single shock |
| Front brakes | Single disc. 2 -piston caliper | Expanding brake (drum brake) |
| Rear brakes | Single disc. 2-piston caliper | Expanding brake (drum brake) |
| Diameter (mm) | 150 | 110 |
| Frame type | Chrom-Molybdenum tubular frame | - |
| Front tyre | 2.50-16 | 70/100-19 |
| Rear tyre | 3.00-14 | 90/100-14 |
| Wheels | Light aluminium spoke rim | - |
| Front wheel travel (mm) | 140 | 109 |
| Rear wheel travel (mm) | 155 | 94 |
| Other | ||
| Starter | Kick | - |
| Color options |
|
|
| Dimensions | ||
| Wheelbase (mm) | 1,005 | 1,039 |
| Dry weight (kg) | 42 | - |
| Overall height (mm) | 970 | 866 |
| Overall length (mm) | 1,540 | 1,524 |
| Overall width (mm) | 660 | 605 |
| Seat height (mm) | 600 | 625 |
| Ground clearance (mm) | - | 160 |
| Performance | ||
| Fuel capacity (l) | 3 | 4.16 |
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