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Technical Specifications
2025 KTM 50 SX
Engine
Design
1-cylinder, 2-stroke engine
Displacement
49.9 cm³
Transmission
Single-speed automatic
Fuel-mixture generation
Dell'Orto PHBG 19 BS
EMS
Seletra 2p D36
Clutch primary drive teeth
61
Clutch
Centrifugal clutch (adjustable)
Chassis
Frame design
Chrome-molybdenum steel central-tube frame
Front brake
Disc brake
Rear brake
Disc brake
Rear subframe design
Steel
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 mm
Suspension travel (rear)
190 mm
Dimensions
Seat height
653 mm
Ground clearance
233 mm
Tank capacity (approx.)
2.3 l