2026 KTM 50 SX

WINNING STARTS HERE.

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!

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"
• Clutch primary drive teeth: 61
• Primary drive: 33:61
• Clutch: Centrifugal clutch (adjustable)
• Engine cylinder: Single cylinder
• Engine stroke: 2-stroke

CHASSIS

• Frame design: Central-tube frame with double-cradle
• Front brake: Disc brake
• Rear brake: Disc brake
• Rear subframe design: Steel / Polyamide glass fibre
• Chain: 415, non-sealed

SUSPENSION

• Front suspension: XACT 35 WP upside-down fork, Ø 35 mm
• Rear suspension: XACT WP mono shock
• Suspension travel (front): 200.6 mm
• Suspension travel (rear): 190.5 mm
• Front suspension adjustment: Compression and rebound adjustable
• Rear suspension setting: Compression and rebound adjustable

DIMENSIONS

• Seat height: 653 mm
• Ground clearance: 233 mm
• Tank capacity: 2.3 L
• Weight (without fuel): 43.5 kg