MotocrossModel year 2027Global version
KTM 50 SX

KTM 50 SX

Motocross · 49.9 cc

Manufacturer suggested retail price5,099 USDKTM United States · 2026-09-19
Variant
50 SX

Specifications

Engine5 items

Engine configuration
1-cylinder, 2-stroke engine
Engine displacement
49.9ccSource wording: 49.9 cm³
Engine management
Dell’Orto PHBG 19 BS
Engine oil
ATF "Motorex Dexron 3"
Number of cylinders
Single cylinder

Fuel and transmission5 items

Transmission
Single speed transmission
clutch
Centrifugal clutch (adjustable)
Final drive
415, Non-sealed
Fuel tank capacity
2.3L
Fuel tank capacity (as stated in source)
0.61 US gal

Other declared specifications6 items

Clutch primary drive teeth
61
Primary drive
33:61
Engine stroke
2-Stroke
Rear subframe design
Steel / Polyamide Glass Fiber
Front suspension adjustment
Compression and rebound adjustable
Rear suspension adjustment
Compression and rebound adjustable

Chassis, brakes and suspension6 items

Frame
Central-tube frame with double-cradle
Front brake
Disc brake
Rear brake
Disc brake
Front suspension
XACT 35 WP Upside-Down fork, Ø 35 mm
Rear suspension
XACT WP mono shock
Rear suspension travel
190.5mm

Dimensions and weight2 items

Seat height
653mm
Weight without fuel
43.5kg

Sources

Specifications can vary by model year, country and variant.

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