


FULL FACTORY FLAVOR
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.
This motorcycle is designed, developed and produced in Austria.
TECHNICAL SPECIFICATION
TransmissionSingle-speed automatic |
Stroke40.7 mm |
Bore39.5 mm |
Displacement49.9 cm³ |
Engine OilHIDRIA ECU |
Design1-cylinder, 2-stroke engine |
Fuel-Mixture GenerationDell'Orto PHBG 19 BS |
Front Brake Disc Diameter160 mm |
Rear Brake Disc Diameter160 mm |
Chain415, Non-sealed |
Frame DesignChrome-molybdenum steel central-tube frame |
Front Suspension XACT 35 WP Upside-Down fork, Ø 35 mm |
HandlebarTapered aluminum Ø 28/22/18 mm |
Rear Subframe DesignSteel |
Wheelbase1026 mm |