| KTM's profilation of this bike |
| Featuring a high-performance 2-stroke engine fitted within a state-of-the-art chassis, this powerhouse is undoubtedly the fastest 250 cc 2-stroke on track. |
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General information |
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Model
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KTM 250 SX |
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Year of manufacture
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2021 |
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Type
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Cross / motocross |
| Price as new | US$ 8399. MSRP depends on country, taxes, accessories, etc. |
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Rating
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Engine and transmission |
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Engine size
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249.0 ccm (15.19 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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66.4 x 72.0 mm (2.6 x 2.8 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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5-speed |
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Transmission type
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Chain (final drive) |
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Clutch
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Wet, DDS multi-disc clutch, Brembo hydraulics |
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Driveline
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13:48. Primary drive: 26:72. 520 X-ring chain. |
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Chassis, suspension, brakes and wheels |
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Frame type
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Chrome-molybdenum steel central-tube |
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Rake (fork angle)
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26.5° |
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Front suspension
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WP XACT-USD, Ø 48 mm |
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Front wheel travel
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310 mm (12.2 inches) |
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Rear suspension
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WP XACT Monoshock with linkage |
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Rear wheel travel
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300 mm (11.8 inches) |
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Front tire
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80/100-21 |
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Rear tire
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110/90-19 |
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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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Wheels
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CNC machined hubs. Excel rims. Wire spoked. Dunlop Geomax MX 3S tires. |
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Physical measures and capacities |
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Dry weight
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87.5 kg (192.9 pounds) |
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Seat height
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850 mm (33.5 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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1495 mm (58.9 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
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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 21 KTM 250 SX discussion group or the general KTM discussion group. |
| Related bikes | List related bikes for comparison of specs. |
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