2025 KTM 150 SX

It's back! After a 2-year absence, the 2025 KTM 150 SX is once again ready to tear into your favorite MX track. Get ready to experience what it feels like to be a marble launched from a slingshot. The KTM 150 SX pulls hard from the bottom, gallops in the middle, and sings at the top. Which is where it belongs.

ENGINE

• TRANSMISSION 6-speed
• STARTER Electric starter
• STROKE 54.5 mm
• BORE 58 mm
• CLUTCH Wet multi-disc DS clutch, Brembo hydraulics
• DISPLACEMENT 143.99 cm³
• EMS Vitesco Technologies EMS
• DESIGN 1-cylinder, 2-stroke engine
• FUEL-MIXTURE GENERATION Keihin EFI, throttle body 39 mm

CHASSIS

• WEIGHT (WITHOUT FUEL) 92.6 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 CLEARANCE 359 mm
• HANDLEBAR Neken, aluminium Ø 28/22 mm
• REAR SUSPENSION WP XACT Monoshock with linkage
• SEAT HEIGHT 958 mm
• SILENCER Aluminium
• STEERING HEAD ANGLE 63.9 °
• REAR SUBFRAME DESIGN Aluminum-reinforced polyamide
• SUSPENSION TRAVEL (FRONT)310 mm
• SUSPENSION TRAVEL (REAR) 300 mm
• WHEELS Spoked wheels with aluminium rims