| KTM's profilation of this bike |
| Those wanting to race in the Junior World Championship need look no further than the 125 SX. The free-revving and lively two-stroke engine has gained even more performance for the current season. |
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General information |
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Model name
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KTM 125 SX |
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Model year
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2012 |
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Category
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Enduro / offroad |
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Rating
|
3.4 Check out the detailed rating of off-road capabilities, engine performance, maintenance cost, etc. Compare with any other bike. |
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Engine and transmission |
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Displacement
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124.8 ccm (7.62 cubic inches) |
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Engine type
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Single cylinder, two-stroke |
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Engine details
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Reed intake and exhaust control |
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Bore x stroke
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54.0 x 54.5 mm (2.1 x 2.1 inches) |
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Fuel system
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Carburettor. Keihin PWK 38S AG |
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Ignition
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Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment, type Kokusan |
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Lubrication system
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Mixture oil lubrication 1:40 |
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Cooling system
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Liquid |
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Gearbox
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6-speed |
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Transmission type
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Chain (final drive) |
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Clutch
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Wet mDouble disk clutch / hydraulically operated |
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Driveline
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13:50 |
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Chassis, suspension, brakes and wheels |
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Frame type
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Central tube frame made of chrome molybdenum steel tubing |
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Rake (fork angle)
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26.5° |
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Front suspension
|
WPÂ Suspension |
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Front wheel travel
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300 mm (11.8 inches) |
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Rear suspension
|
WPÂ Suspension |
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Rear wheel travel
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330 mm (13.0 inches) |
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Front tire
|
80/100-21 |
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Rear tire
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100/90-19 |
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Front brakes
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Single disc |
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Diameter
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260 mm (10.2 inches) |
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Rear brakes
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Single disc |
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Diameter
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220 mm (8.7 inches) |
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Physical measures and capacities |
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Dry weight
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91.6 kg (201.9 pounds) |
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Seat height
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992 mm (39.1 inches) If adjustable, lowest setting. |
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Ground clearance
|
395 mm (15.6 inches) |
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Wheelbase
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1480 mm (58.3 inches) |
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Fuel capacity
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7.50 litres (1.98 US gallons) |
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Other specifications |
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Color options
|
Orange/black/white |
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Starter
|
Kick |
| Update specs | Report missing specs or required updates. |
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Further information |
| Insurance costs | Compare US insurance quotes from the nation's top providers. |
| Parts finder |
Check out our overview of motorcycle webshops at Bikez.info. |
| Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. |
| Ask questions | Join the 12 KTM 125 SX discussion group or the general KTM discussion group. |
| Related bikes | List related bikes for comparison of specs. |
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