| KTM125SX 2000 | |
| Engine Type | 1-Cylinder, 2-stroke |
| Displacement(cc) | 124.8 |
| Bore(mm) | 54.25 |
| Stroke(mm) | 54 |
| Fuel | 95 RON 1:50 |
| Valves | TVC KTC |
| Crankshaft Bearing | Ball and Roller Bearing |
| Conrod Bearing | Lower Needle Bearing |
| Engine Lubrication | Mixture Lubrication |
| Engine Oil | Shell Advance VFX4 |
| Primary Ratio | 23:73 |
| Clutch | Multi disc in oil bath, hydraulic |
| Transmission | 6 Gears SX |
| Ignition | Kokusan digital 2K-1 |
| Spark Plug | NGK BR 9 EVX |
| Cooling | Liquid Cooled |
| Carburetor | Keihin PWK 39mm |
| Frame | Chrome-Molybdenum |
| Subframe | Aluminium |
| Handlebar | MAGURA Aluminium tapered |
| Frok | WP USD 43 MA |
| Suspension travel front/rear | 295/320mm |
| Rear Suspension | WP-PDS Monoshock |
| Front Brake | disc 260mm |
| Rear Brake | disc 220mm |
| Front Tire | Bridgestone 80/100-21" |
| Front Rim | 1.60-21" Excel |
| Rear Tire | Bridgestone 100/90-19" |
| Rear Rim | 2.15-19" Excel |
| Fuel Capacity | approx. 7.5 Liters |
| Final Drive | 13:50 |
| Chain | 5/8" * 1/4" |
| Steering Head Angle | 63 |
| Wheelbase | 1461 +/- 10 mm |
| Seatheight | 925mm |
| Ground Clearance | 385mm |
| Weight(dry) | approx. 92kg |