The 250 SX-F has been on top of the MX2 World Championship for many years now and adds a second AMA Supercross Lites Championship to its crowded trophy cabinet. But that’s no surprise. The successful combination of a powerful and torquey engine in a lightweight and agile chassis is bound to launch the 250 SX-F onto podium after podium.

ENGINE

DESIGN 1-cylinder, 4-stroke engine
DISPLACEMENT 249.9 cm³
BORE 78 mm
STROKE 52.3 mm
STARTER Electric starter
TRANSMISSION 5-speed
PRIMARY DRIVE 24:73
SECONDARY GEAR RATIO 13:50
CLUTCH Wet, CSS multi-disc clutch, Brembo hydraulics
EMS Keihin EMS

CHASSIS

FRAME DESIGN 25CrMo4 steel central-tube frame
FRONT SUSPENSION WP-USD, AERforce, Ø 48 mm
REAR SUSPENSION WP monoshock with linkage
SUSPENSION TRAVEL (FRONT) 300 mm
SUSPENSION TRAVEL (REAR) 300 mm
FRONT BRAKE Disc brake
REAR BRAKE Disc brake
FRONT BRAKE DISC DIAMETER 260 mm
REAR BRAKE DISC DIAMETER 220 mm
CHAIN 5/8 x 1/4"
STEERING HEAD ANGLE 63.9 °
WHEELBASE 1485 ± 10 mm
GROUND CLEARANCE 370 mm
SEAT HEIGHT 960 mm
TANK CAPACITY (APPROX.) 7 l
WEIGHT READY TO RACE (WITHOUT FUEL) 98.5 kg
KTM 250 SX-F 2017
KTM 1190 RC8 R