2025 KTM 250 SX

Think "unbridled 2-stroke performance" and you'll probably see a KTM 250 SX in your mind's eye. For good reason too - there isn't much to compare it to. The 2025 KTM 250 SX takes that even further with a slew of fresh chassis enhancements, making it even more of a legend and one deserving of the record books.

ENGINE

• TRANSMISSION 5-speed
• STARTER Electric starter
• STROKE 72 mm
• BORE 66.4 mm
• CLUTCH Wet, DDS multi-disc clutch, Brembo hydraulics
• DISPLACEMENT 249 cm³
• EMS Vitesco Technologies EMS
• DESIGN 1-cylinder, 2-stroke engine
• FUEL-MIXTURE GENERATION Keihin EFI, throttle body 39 mm

CHASSIS

• WEIGHT (WITHOUT FUEL)99.4 kg
• TANK CAPACITY (APPROX.)7.2 l
• WHEELBASE 1493 mm
• FRONT BRAKE DISC DIAMETER 260 mm
• REAR BRAKE DISC DIAMETER 220 mm
• FRONT BRAKE Disc brake
• REAR BRAKE Disc brake
• CHAIN 520, Non-sealed
• FRAME DESIGN Central double-cradle-type 25CrMo4 steel
• FRONT SUSPENSION WP XACT-USD (AER), Ø 48 mm
• GROUND CLEARANC E354 mm
• HANDLEBAR Neken, aluminium Ø 28/22 mm
• REAR SUSPENSION WP XACT Monoshock with linkage
• SEAT HEIGHT 958 mm
• SILENCER Aluminium
• STEERING HEAD ANGLE63.9 °
• REAR SUBFRAME DESIGN Aluminum-reinforced polyamide
• SUSPENSION TRAVEL (FRONT)310 mm
• SUSPENSION TRAVEL (REAR)300 mm
• WHEELS Spoked wheels with aluminium rims