| Attribute | GAS GAS MC 125 2006 × | GAS GAS Halley 125 × |
|---|---|---|
| General | ||
| Production from (year) | 2006 | 2009 |
| Make | GAS GAS | GAS GAS |
| Model | GAS GAS MC 125 | GAS GAS Halley 125 |
| Category | Cross / motocross | Enduro / offroad |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor. Keihin PWK 38 mm | Carburettor. 26 mm |
| Displacement (cm³) | 124 | 124 |
| Cooling system | - | Liquid |
| Transmission type,final drive | Chain | - |
| Bore (mm) | 45 | 54 |
| Stroke (mm) | 40.8 | 54.5 |
| Gearbox | 6-speed | 6-speed |
| Ignition | Kokusan* digital CDI Multispark | - |
| Clutch | - | Multiple disks in oil bath, hydraulic |
| Lubrication system | 2% mixture | - |
| Chassis | ||
| Front suspension | 45 mm upside-down Marzocchi* fork. Upside-down Öhlins* fork | Fork, 41 mm. |
| Rear suspension | One-piece aluminium swing arm, progressives system with Öhlins, shock absorber. | Single rear shock absorber system |
| Front brakes | Double disc | Single disc. Twin piston caliper. |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 220 | 220 |
| Frame type | Deltabox built in chrome molybden rectangular tubing | - |
| Front tyre | 60/90-14 | 80/90-21 |
| Rear tyre | 80/80-12 | 110/80-18 |
| Front wheel travel (mm) | 295 | 255 |
| Rear wheel travel (mm) | 310 | 246 |
| Other | ||
| Starter | Kick | - |
| Color options | - |
|
| Dimensions | ||
| Wheelbase (mm) | 1,475 | 1,460 |
| Dry weight (kg) | 92 | - |
| Seat height (mm) | 940 | 945 |
| Performance | ||
| Fuel capacity (l) | 9.5 | 7.4 |