| KTM's profilation of this bike |
| The latest KTM 125 SX engine is the most powerful and most competitive engine in its class; a clear statement that KTM is keen on keeping 2-stroke technology at the forefront of development. The secret to their success is an outstanding power-to-weight ratio, low costs and simplicity. |
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General information |
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Motorcycle name
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KTM 125 SX |
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Year model
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2018 |
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Type
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Cross / motocross |
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Rating
|
3.5 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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Engine size
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124.8 ccm (7.62 cubic inches) |
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Type of engine
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Single cylinder, two-stroke |
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Engine details
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Reed intake. |
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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. Mikuni TMX |
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Ignition
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Kokusan EMS |
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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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Multi-plate clutch, Brembo hydraulics |
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Driveline
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13:50. Primary drive: 23:73. |
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Chassis, suspension, brakes and wheels |
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Frame type
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Chrome-molybdenum steel central-tube frame |
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Rake (fork angle)
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26.5° |
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Front suspension
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WP-USD, AER 48, Ø 48 mm |
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Front wheel travel
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300 mm (11.8 inches) |
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Rear suspension
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WP shock absorber with linkage |
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Rear wheel travel
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300 mm (11.8 inches) |
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Front brakes
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Single disc. Brake calipers on floating bearings |
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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. Brake calipers on floating bearings |
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Diameter
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220 mm (8.7 inches) |
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Wheels
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CNC machined hubs. Excel rims. Wire spoked. |
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Physical measures and capacities |
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Dry weight
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87.2 kg (192.2 pounds) |
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Seat height
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960 mm (37.8 inches) If adjustable, lowest setting. |
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Ground clearance
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375 mm (14.8 inches) |
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Wheelbase
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1485 mm (58.5 inches) |
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Fuel capacity
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7.00 litres (1.85 US gallons) |
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Other specifications |
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Color options
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Orange/white/black |
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Starter
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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 18 KTM 125 SX discussion group or the general KTM discussion group. |
| Related bikes | List related bikes for comparison of specs. |
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