New 2025 Model

In stock

SAVE $700

When the next step up is into the 50cc class, there is no better option than the most powerful 50cc out there. For 2025, the KTM 50 SX is built around an advanced steel frame, housing a powerful engine, a 35mm WP XACT AER fork, a WP XACT monoshock, and an advanced hydraulic Formula brake system. Simply put – it’s the most advanced and READY TO RACE 50 cc mini-crosser available to your little racer.

TECHNICAL DETAILS
ENGINE
TRANSMISSION: Single-speed automatic
STARTER: Kickstarter
STROKE: 40.7 mm
BORE: 39.5 mm
CLUTCH: Centrifugal clutch (adjustable)
DISPLACEMENT: 49.9 cm³
EMS: Seletra 2p D36
DESIGN: 1-cylinder, 2-stroke engine
FUEL-MIXTURE GENERATION: Dell’Orto PHBG 19 BS
CHASSIS
WEIGHT (WITHOUT FUEL): 42.5 kg
TANK CAPACITY (APPROX.): 2.3 l
WHEELBASE: 1026 mm
FRONT BRAKE DISC DIAMETER: 160 mm
REAR BRAKE DISC DIAMETER: 160 mm
FRONT BRAKE: Disc brake
REAR BRAKE: Disc brake
CHAIN: 415, Non-sealed
FRAME DESIGN: Chrome-molybdenum steel central-tube frame
FRONT SUSPENSION: XACT 35 WP Upside-Down fork, Ø 35 mm
GROUND CLEARANCE: 233 mm
HANDLEBAR: Tapered aluminum Ø 28/22/18 mm
REAR SUSPENSION: XACT WP mono shock
SEAT HEIGHT: 653 mm
SILENCER: Aluminium
STEERING HEAD ANGLE: 66 °
REAR SUBFRAME DESIGN: Steel
SUSPENSION TRAVEL (FRONT): 200 mm
SUSPENSION TRAVEL (REAR): 190 mm
WHEELS: Spoked wheels with aluminium rims