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250 SX
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- Make:
- KTM
- Model:
- 250 SX
- Year:
- 2011
A precision racing tool with an unbeatable power-to-weight ratio. Perfect knee contact in the area of the fuel tank, airbox and lateral frame tube due to the revolutionary new bodywork.
With more peak power and torque for the 2011 model year thanks to extensive reworking of the drive unit. Never has it been easier or more playful to ride onto the podium in the MX1 class.
UPDATED
» New frame
» New swingarm
» New PDS shock
» New wheels
» New bodywork
» New airbox
» Air flow optimised intake boot
» New exhaust (new shape, bigger diameter at connection pipe)
» New two component silencer (better connection, bigger inner diameter)
» Newly developed cylinder (lower exhaust port, new timings, optimised exhaust control)
» Noticeable increase in power
» Higher torque
» Better rideability
| Engine » | |
|---|---|
| Engine | single cylinder, 2-stroke |
| Displacement | 249 cc |
| Bore and Stroke | 66.4 x 72 mm |
| Compression Ratio | - |
| Valve Gear | - |
| Engine Lubrication | mixture oil lubrication 1:60 |
| Filter System | - |
| Starter | kick-starter |
| Decompression | - |
| Ignition | Kokusan |
| Battery | - |
| Carburetor | Keihin PWK 36S AG |
| Fuel | premix |
| Transmission | 5 gears |
| Clutch | wet multi-disc clutch, hydraulically operated |
| Primary Drive | 26:72 |
| Final Drive | 13:48 |
Chassis » |
|
| Chassis | central double cradle type, chromoly |
| Frame | central double cradle type, chromoly |
| Sub-Frame | Aluminium |
| Handlebar | Renthal |
| Front Suspension | WP-USD 48mm |
| Rear Suspension | WP PDS mono shock |
| Front/Rear Suspension Travel | 300 / 336 mm |
| Front Brake | disc brake 260mm |
| Rear Brake | disc brake 220mm |
| Front Rim | 1.60 x 21" Excel |
| Rear Rim | 2.15 x 19" Excel |
| Front/Rear Tyre | 80/100-21" ; 110/90-19" |
| Steering Headangle | 63.5 |
| Wheel Caster | - |
| Wheelbase | 1495 mm |
| Exhaust System | aluminium silencer nickel coated pipe |
| Stand | - |
| Seat Height | 992 mm |
| Ground Clearance | 385 mm |
| Fuel Capacity | approx. 7.5 L |
| Weight | approx. 93.8 kg (no fuel) |
