KTM 125 SX 2013: IN A CLASS OF ITS OWN
ENGINE
| Design | 1-cylinder 2-stroke engine, water-cooled, with reed intake and exhaust control |
|---|---|
| Displacement | 124.8 cm³ |
| Bore | 54 mm |
| Stroke | 54.5 mm |
| Starting aid | |
| Transmission | 6 gear, claw shifted |
| Primary gear | 23:73 |
| Final drive | 13:50 |
| Clutch | Wet multi-disc clutch / hydraulically operated |
| Ignition system | Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment, type Kokusan |
CHASSIS
| Frame | Central tube frame made of chrome molybdenum steel tubing |
|---|---|
| Forks | WP Suspension Up Side Down 4860 MXMA CC |
| Shock absorber | WP Suspension 5018 BAVP DCC |
| Suspension travel Front | 300 mm |
| Suspension travel Rear | 330 mm |
| Brake system | Disc brakes, brake calipers on floating bearings |
| Brake discs - diameter Front | 260 mm |
| Brake discs - diameter Rear | 220 mm |
| Chain | 5/8 x 1/4" |
| Steering head angle | 63.5° |
| Wheel base | 1,480±10 mm |
| Ground clearance (unloaded) | 395 mm |
| Seat height (unloaded) | 992 mm |
| Total fuel tank capacity approx. | 7.5 l Unleaded premium fuel, mixed with 2-stroke engine oil (1:40) |
| Weight without fuel approx. | 90.8 kg |
