KTM 50 SX Factory Edition | 2025

FULL FACTORY FLAVOUR.

The 2025 KTM 50 SX FACTORY EDITION is ready to blast into the highly competitive 50cc class with proper KTM FACTORY RACING credentials. It's undeniably READY TO RACE, built around an advanced steel frame, housing a powerful engine, and boasting leading components such as DUNLOP Geomax MX53 tires, a FMF exhaust system, a 35 mm WP XACT AER fork, a WP XACT monoshock, and a hydraulic Formula brake system. All this, along with key similarities with the full-sized motocross range, superior levels of quality, and revolutionary height adjustability, make it the most serious 50cc motocross bike available on the market.

ENGINE

• Transmission: Single-speed automatic
• Displacement: 49.9 cm³
• Design: 1-cylinder, 2-stroke engine
• Fuel-Mixture Generation: Dell'Orto PHBG 19 BS

CHASSIS

• Wheelbase: 1026 mm
• Front brake disc diameter: 160 mm
• Rear  brake disc diameter: 160 mm
• Chain: 415, Non-sealed
• Frame design: Chrome-molybdenum steel central-tube frame
• Front suspension: XACT 35 WP Upside-Down fork, Ø 35 mm
  
• Handlebar: Tapered aluminum Ø 28/22/18 mm
• Rear suspension: XACT WP mono shock
  
• Silencer: Aluminium
  
• Rear Subframe Design: Steel