Only the best power, performance and appearance are good enough for first place: the KTM 50 SX Junior – a winner for every ace from the ages of six to nine. The seat height is adjustable from 650 mm upwards, with long suspension travel, disk brakes at the front and rear, a chain guard, as well as the best power output available in this class.

Technical Data

Engine Engine type Single cylinder, 2-stroke Displacement 49 cc Bore x stroke 39.5 x 40 mm (1.55 x 1.57") Starter Kickstarter Carburetor Dell'Orto PHVA 14 DS Engine lubrication Mixture lubrication 1:60 Transmission lubrication ATF Primary drive 16:57 Final drive 11:48 Cooling Liquid cooled Clutch Centrifugal clutch (adjustable) Ignition Seletra analogue

Chassis Frame Central double-cradle-type frame Subframe Steel Handlebar Aluminium Ø 22 mm (0.87") Front suspension Marzocchi Ø 32 mm (1.26") Rear suspension WP monoshock Suspension travel front / rear 140 / 205 mm (5.51" / 8.07") Front brake Disc brake Ø 160 mm (6.3") Rear brake Drum brake Ø 90 mm (3.54") Rims, front / rear 1.6 x 10"; 1.6 x 10" Aluminium Tires, front / rear 2.50 x 10"; 2.75 x 10" Chain 1/2 x 3/16" 96 R Main silencer Aluminium Steering head angle 66° Wheel base 910 mm (35.83") Ground clearance (unloaded) 220 mm (8.66") Seat height 650 / 675 mm (adjustable) (25.59 / 26.57") Fuel capacity approx. 1.8 liters (0.48 gal) Weight (no fuel) approx. 37.6 kg (82.89 lbs)