KTM 50 SX Junior 2009

Complete specifications and details for the 2009 KTM 50 SX Junior. This comprehensive guide includes engine specifications, dimensions, features, and performance data.

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Basic Information

MakeKTM
Model50 SX Junior
Year2009
CategoryMinibike-cross

Chassis, Suspension & Brakes

Frame TypeCentral double-cradle-type frame. Steel subframe.
Front BrakesSingle disc
Front Brakes Diameter160 mm (6.3 inches)
Front SuspensionMarzocchi
Front Tyre2.5-10
Front Wheel Travel205 mm (8.1 inches)
Rake24.0°
Rear BrakesSingle disc
Rear Brakes Diameter140 mm (5.5 inches)
Rear SuspensionWP monoshock
Rear Tyre2.75-10
Rear Wheel Travel125 mm (4.9 inches)
Trail140 mm (5.5 inches)

Other Specifications

Color OptionsOrange/Black
CommentsIntended for children.
StarterKick

Engine & Transmission

Displacement49.00 ccm (2.99 cubic inches)
Engine DetailsSingle cylinder, two-stroke
Compression12.5:1
Bore X Stroke39.5 x 40.0 mm (1.6 x 1.6 inches)
Fuel SystemCarburettor. Dell´Orto PHVA 14 DS
IgnitionSeletra analogue
Lubrication SystemMixture lubrication
Cooling SystemLiquid
GearboxAutomatic
ClutchCentrifugal clutch (adjustable)
Exhaust SystemAluminium

Dimensions & Capacities

Dry Weight37.6 kg (82.9 pounds)
Fuel Capacity2.30 litres (0.61 gallons)
Ground Clearance220 mm (8.7 inches)
Seat Height607 mm (23.9 inches) If adjustable, lowest setting.