2011 KTM 250 SX


250 SX
For years KTM has committed to the development of 2-stroke engines which are an advantage against 4-strokes in many aspects. With an unbeatable power-to-weight ratio, lower cost of acquisition and easy to maintain and service – there is no better choice than a two-stroke.

New MY 2011:
– New chassis (PDS)
– New airbox
– Air flow optimized intake boot between filter and carburetor
– New exhaust (new shape with bigger diameter at connection pipe)
– New two component rear silencer (better connection and bigger inner diameter)
– Newly developed cylinder (lower exhaust port, new timing and optimized exhaust control)
– Noticeable increase in power performance
– Higher torque
– Better rideability

Engine type Single cylinder, 2-stroke
Displacement 249 cc
Bore x stroke 66.4 x 72 mm (2.61 x 2.83″)
Starter Kickstarter
Transmission 5 gears
Carburetor Keihin PWK 36S AG
Control TVC power valve
Lubrication Mixture oil lubrication 1:60
Transmission oil Motorex, SAE 15W50
Primary drive 26:72
Final drive 13:48
Cooling Liquid cooling
Clutch Wet multi-disc clutch, operated hydraulically
Ignition Kokusan


Frame Central double-cradle-type 25CrMo4
Subframe Aluminium
Handlebar Renthal, Aluminium Ø 28/22 mm (1.10/0.87″)
Front suspension WP USD Ø 48 mm (1.89″)
Rear suspension WP PDS shock absorber
Suspension travel front/rear 300/335 mm (11.81/13.19″)
Brakes, front/rear Disc brakes 260/220 mm (10.24/8.66″)
Rims, front/rear 1.60 x 21″; 2.15 x 19″ Excel
Tires, front/rear 80/100-21″; 110/90-19″
Chain 5/8 x 1/4″
Main silencer Aluminium
Steering head angle 63.5°
Wheel base 1475±10 mm (58.07 ± 0.39″)
Ground clearance (unloaded) 385 mm (15.16″)
Seat height 985 mm (38.78″)
Tank capacity approx. 8 liters (2.11 gal)
Weight (no fuel) approx. 95.4 kg (208 lbs)


Get more info at: their website




July 18, 2010 |

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