KTM 125 SX - 2005 Specifications and Reviews
The 2005 KTM 125 SX is a lightweight motocross machine designed for young riders and beginners entering competitive off-road racing. Powered by a liquid-cooled 125cc two-stroke single-cylinder engine with a five-speed gearbox, it delivers responsive performance and agility on the track. Known for its reliable construction and user-friendly handling characteristics, the 125 SX remains a popular choice for developing fundamental riding skills in motocross.
General information | |
| Category | Cross / motocross |
| Year | 2005 |
| Model | KTM 125 SX |
| | |
Engine and Transmission Specifications | |
| Clutch | Wet multi-disc clutch, operated hydraulically |
| Transmission typefinal drive | Chain |
| Gearbox | 5-speed |
| Cooling system | Liquid |
| Lubrication system | Mixture oil lubrication 1:40 |
| Starter | Kick |
| Ignition | Kokusan digital 2K-1 |
| Fuel system | Carburettor. Keihin PWK 39 |
| Bore x stroke | 54.0 x 54.5 mm (2.1 x 2.1 inches) |
| Stroke | 2 |
| Engine type | Single cylinder |
| Capacity: | 124.80 ccm (7.62 cubic inches) |
Physical measures and capacities | |
| Wheelbase | 1,471 mm (57.9 inches) |
| Ground clearance | 390 mm (15.4 inches) |
| Seat height | 925 mm (36.4 inches) If adjustable, lowest setting. |
| Dry weight | 92.4 kg (203.7 pounds) |
| | |
KTM 125 SX dimensions and frame | |
| Rear brakes diameter | 260 mm (10.2 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 216 mm (8.5 inches) |
| Front brakes | Single disc |
| Rear suspension travel | 335 mm (13.2 inches) |
| Rear suspension | WP-PDS-DA shock absorber |
| Front suspension travel | 300 mm (11.8 inches) |
| Front suspension | WP-USD 48 mm (1.89 inch.) |
| Trail | 120 mm (4.7 inches) |
| Rake (fork angle) | 27.0° |
| Frame type | Chromium molybdenum |
Speed and acceleration | |
| Fuel capacity | 7.50 litres (1.98 gallons) |






































Please Login or Register if you would like to leave a comment.