2026 KTM 50 SX

The journey starts here. The first prime platform in the KTM Sportminicycle range will satisfy any youngster's thirst for fun, speed, adventure and that unquenchable desire to learn. The KTM 50 SX is built around an advanced steel frame, housing a powerful engine, an updated WP XACT AER fork, a WP XACT monoshock, and a new, advanced hydraulic Formula brake system. Reliability, durability and READY TO RACE aesthetics and spirit means it is the only choice for small kids and the big ones too!

Specifications

Engine

• Design: 1-cylinder, 2-stroke engine

• Displacement: 49.9 cm³

• Transmission: Single-speed automatic

• EMS: Dell’Orto PHBG 19 BS

• Engine Oil: ATF “Motorex Dexron 3”

• Primary Drive: 33:61

• Clutch Primary Drive Teeth: 61

• Clutch: Adjustable centrifugal clutch

• Cylinder: Single cylinder

• Stroke: 2-stroke

Chassis

• Frame: Central-tube frame with double-cradle

• Rear Subframe: Steel / Polyamide glass fiber

• Front Brake: Disc brake

• Rear Brake: Disc brake

• Chain: 415, Non-sealed

Suspension

• Front: WP XACT 35 mm Upside-Down fork

• Rear: WP XACT mono shock

• Front Travel: 200.6 mm

• Rear Travel: 190.5 mm

• Front Adjustment: Compression & rebound

• Rear Adjustment: Compression & rebound

Dimensions

• Seat Height: 653 mm

• Ground Clearance: 233 mm

• Tank Capacity: 2.3 L (approx.)