| Attribute | KTM 525 EXC Racing 2003 × | GAS GAS EC 515 FSR 2009 × |
|---|---|---|
| General | ||
| Production from (year) | 2003 | 2009 |
| Make | KTM | GAS GAS |
| Model | KTM 525 EXC Racing | GAS GAS EC 515 FSR |
| Category | Enduro / offroad | Enduro / offroad |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | - | 4 |
| Fuel system | Carburettor | Injection. Kokusan electronic fule injection (Battery less EFI) |
| Displacement (cm³) | 510.4 | 515 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 95 | 100 |
| Stroke (mm) | 72 | 62.6 |
| Gearbox | 6-speed | 6-speed |
| Ignition | - | Integrated in the injection system. |
| Compression | 11.0:1 | - |
| Chassis | ||
| Front suspension | WP-USD 48 MA | 45 mm upside-down fork Marzocchi |
| Rear suspension | WP-PDS-shock absorber | One-piece aluminium swing arm progressive system with Sachs shock absorber |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 220 | 220 |
| Frame type | - | Deltabox build with Cromoly D tubes. |
| Front tyre | 90/90-21 | 90/90-21 |
| Rear tyre | 140/80-18 | 140/80-18 |
| Front wheel travel (mm) | 300 | 295 |
| Rear wheel travel (mm) | 335 | 320 |
| Other | ||
| Starter | - | Electric & kick |
| Color options | - |
|
| Dimensions | ||
| Wheelbase (mm) | 1,481 | 1,465 |
| Dry weight (kg) | 118 | 118 |
| Seat height (mm) | 925 | 940 |
| Ground clearance (mm) | 385 | 370 |
| Performance | ||
| Fuel capacity (l) | 8.5 | 7.5 |