2025 KTM 50 SX Factory Edition Bike

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KTM

KTM 50 SX

Specifications

Product

KTM 50 SX Factory Edition Bike

Model Year

2025

Engine Size

50cc

Engine Type

Two-Stroke

Engine Displacement

49.9cc

Bore x Stroke

39.5 mm x 40.7 mm

Compression Ratio

Fuel System

Dell'Orto PHBG 19 BS carburetor

Ignition

Digital; Seletra 2p D36 EMS; kick start

Transmission

Single-speed automatic; adjustable multi-disc centrifugal clutch, reinforced clutch basket

Final Drive

Chain, 415, non-sealed

Suspension Front

WP XACT AER upside-down fork, 35 mm diameter, 200 mm (7.9") travel

Suspension Rear

WP XACT mono shock, 190 mm (7.5") travel

Brakes Front

Formula, hydraulic disc, 160 mm wave rotor

Brakes Rear

Formula, hydraulic disc, 160 mm wave rotor

Tires Front

Dunlop GeoMax MX53, 2.50 x 12" 42J

Tires Rear

Dunlop GeoMax MX53, 2.75 x 10" 38J

Overall Length

Overall Width

Overall Height

Seat Height

Lowest: 634 mm (25.0")
Standard: 653 mm (25.7")
Highest: 682 mm (26.9")

Wheelbase

1026 mm (40.4")

Ground Clearance

233 mm (9.2")

Rake/Trail

66° head angle

Fuel Capacity

2.3 liters (0.61 gallons)

Curb Weight

42.5 kg (93.7 lbs) without fuel

Features

• Individual ignition timing across the entire RPM range
• Height-adjustable suspension, handlebar position, subframe, and bodywork
• Hour meter
• In-mold graphics
• Optional power-reduction kits available in 4hp and 8hp versions

Factory Edition features the following upgrades over the standard version:
• FMF exhaust system with nickel-plated fatty pipe, Powercore 2 silencer, and black anodized CNC-machined flange
• "Double Stage" reed valve case concept with additional set of membrane flaps for better gas atomization
• Hinson Racing CNC-machined outer clutch cover
• Iridium-type spark plug and factory orange connector
• Dunlop GeoMax MX53 tires
• Factory orange seat
• KTM Red Bull Factory Racing graphics

Miscellaneous

• Airbox: tool-free access to Twin Air filter under seat; Twin Air mounting system with snap locks; polyamide conventional suction sleeve
• Engine: single cylinder, 2-stroke, independent cylinder blank, reed valve, 3-shaft design crankshaft
• Frame: chromium molybdenum steel central-tube, forged connecting parts, steel subframe
• Grips: ODI
• Handlebar: 28/22/18 mm tapered aluminum, with crash pad
• Radiator: single
• Rims: anodized aluminum
• Spark plug: BRISK, with longer threads

Price

N/A

More Info

KTM website

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