Comparison of GAS GAS Contact 280 and GAS GAS TXT Racing 250 E4 [S]ave
| Attribute |  GAS GAS Contact 280 × |  GAS GAS TXT Racing 250 E4 × |
|---|---|---|
| General | ||
| Production from (year) | 2017 | 2017 |
| Make | GAS GAS | GAS GAS |
| Model | GAS GAS Contact 280 | GAS GAS TXT Racing 250 E4 |
| Category | Trial | Trial |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor. Dell´Orto PHBL26BS. Reed valve induction. | Carburettor. Keihin PWK 28 |
| Engine details | Reed valve. | Reed valve |
| Displacement (cm³) | 272.2 | 247.7 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 76 | 72.5 |
| Stroke (mm) | 60 | 60 |
| Gearbox | 6-speed | 6-speed |
| Clutch | GG 1/3 hydraulic-diaphragm-system | GG 1/3 hydraulic-diaphragm-system |
| Lubrication system | - | 2-stroke-oil/fuel mixed 1:50 |
| Chassis | ||
| Front suspension | OLLE 40 mm bar Diam. | TECH with aluminium bar Ø 39 |
| Rear suspension | OLLE mono shock absorber (1 way) | Reiger hydraulic mono shock absorber (2 ways). Rebound and spring pre-load ajustable. |
| Front brakes | Single disc. Floating wave discs. Four-piston calipers. | Single disc. Floating discs. Four-piston calipers. |
| Rear brakes | Single disc. Wave disks. Two-piston calipers. | Single disc. Two-piston calipers. |
| Diameter (mm) | 150 | 150 |
| Frame type | Chrome-Molybdenum tubular frame | Chrom-Molybdenum tubular frame |
| Front tyre | 2.75-21 | 2.75-21 |
| Rear tyre | 4.00-18 | 4.00-18 |
| Wheels | Aluminium with spokes | Michelin Trial X11 tyres |
| Front wheel travel (mm) | 170 | 180 |
| Rear wheel travel (mm) | 164 | 164 |
| Other | ||
| Starter | Kick | Kick |
| Color options |
|
|
| Dimensions | ||
| Wheelbase (mm) | 1,320 | 1,320 |
| Dry weight (kg) | 69 | 67 |
| Overall height (mm) | 1,130 | 1,130 |
| Overall length (mm) | 2,010 | 2,010 |
| Overall width (mm) | 825 | 825 |
| Seat height (mm) | 650 | 650 |
| Performance | ||
| Fuel capacity (l) | 3.5 | 2.5 |
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