There is no better proof of the 250 SX-F's supremacy than three consecutive MX2 world championship titles. But that's no reason for KTM to rest on its laurels. The new model is now available with a revamped chassis and an electric starter that proves its worth in many situations. Hence the smallest four-stroke in the KTM MX range continues to guarantee top places.
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TECHNICAL INFO 250 SX-F 2012
Engine
Engine type Single cylinder, 4-stroke
Displacement 248.6 cc
Bore/stroke 76/54.8 mm
Compression ratio 13.2:1
Starter/battery Electric starter / 12V 3Ah
Transmission 6 gears
Carburetor Keihin EFI, throttle body 42 mm
Control 4 V / DOHC with finger followers
Lubrication Pressure lubrication with 2 oil pumps
Gear ratios 13:32 15:30 17:28 19:26 21:25 22:24
Primary ratio 22:68
Final drive 13:48
Cooling Liquid cooling
Clutch Wet multi-disc clutch, Brembo hydraulics
Ignition Keihin EMS
Chassis
Frame Central double-cradle-type 25CrMo4
Subframe Aluminium
Handlebar Renthal, Aluminium Ø 28/22 mm
Front suspension WP-USD, Closed Cartridge, Ø 48 mm
Rear suspension WP-Monoshock with linkage
Suspension travel front/rear 300/330 mm
Front/rear brakes Disc brake 260/220 mm
Front/rear rims 1.60 x 21"; 2.15 x 19" Excel
Front/rear tires 80/100-21"; 100/90-19"
Chain 5/8 x 1/4"
Silencer Aluminium
Steering head angle 63.5°
Wheel base 1,495 ± 10 mm
Ground clearance 375 mm
Seat height 992 mm
Tank capacity, approx. 7.5 l
Weight, without fuel, approx. 102.9 kg
