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Motorcycles Specs > KTM > KTM 50 SX Junior

KTM 50 SX Junior Specs

The KTM 50 SX Junior model is a Minibike, cross bike manufactured by KTM . In this version sold from year 2009 , the dry weight is 37.6 kg (82.9 pounds) and it is equiped with a Single cylinder, two-stroke motor. The engine produces a maximum peak output power of  and a maximum torque of  . With this drive-train, the KTM 50 SX Junior is capable of reaching a maximum top speed of  . Regarding the chassis characteristics, responsible for road holding, handling behaviour and ride confort, the KTM 50 SX Junior have a Central double-cradle-type frame. Steel subframe. frame with front suspension being Marzocchi and in the rear suspension it is equiped with WP monoshock . Stock tire sizes are 2.5-10 on the front, and 2.75-10 on the rear. As for stopping power, the KTM 50 SX Junior braking system includes Single disc size 160 mm (6.3 inches) at the front and Single disc size 140 mm (5.5 inches) at the rear. 

KTM 50 SX Junior General Information

Brand KTM 
Model KTM 50 SX Junior 
Year 2009 
Year 2009 
Category Minibike, cross 
Factory Warranty (Years / miles)  

KTM 50 SX Junior Dimensions, Aerodynamics and weight

Frame type Central double-cradle-type frame. Steel subframe. 
Seat details  
Wheelbase 910 mm (35.8 inches) 
Length  
Width  
Height  
Seat Height 607 mm (23.9 inches) If adjustable, lowest setting. 
Alternate Seat Height  
Ground Clearance 220 mm (8.7 inches) 
Trail size 140 mm (5.5 inches) 
Wheels details  
Front Tyres - Rims dimensions 2.5-10 
Rear Tyres - Rims dimensions 2.75-10 
Front brakes Single disc 
Rear brakes Single disc 
Front Brakes Dimensions - Disc Dimensions 160 mm (6.3 inches) 
Rear Brakes Dimensions - Disc Dimensions 140 mm (5.5 inches) 
Curb Weight (including fluids)  
Dry Weight 37.6 kg (82.9 pounds) 
Front Percentage of Weight  
Rear Percentage of Weight  
Weight-Power Output Ratio :  
Fuel Tank Capacity 2.30 litres (0.61 gallons) 
Reserve Fuel Capacity  
Carrying Details and Capacity  
Front Suspension Marzocchi 
Front Suspension Travel 205 mm (8.1 inches) 
Rear Suspension WP monoshock 
Rear Suspension Travel 125 mm (4.9 inches) 

KTM 50 SX Junior Engine and Transmission Technical Data

Engine type - Number of cylinders Single cylinder, two-stroke 
Engine details  
Fuel system  
Engine size - Displacement - Engine capacity 49.00 ccm (2.99 cubic inches) 
Bore x Stroke 39.5 x 40.0 mm (1.6 x 1.6 inches) 
Compression Ratio 12.5:1 
Number of valves per cylinder  
Camshaft Valvetrain Configuration  
Maximum power - Output - Horsepower  
Maximum torque  
Engine Maximum RPM  
Cooling system Liquid 
Lubrication system Mixture lubrication 
Engine oil capacity  
Exhaust system Aluminium 
Gearbox Automatic 
Transmission type, final drive ratio  
Clutch type Centrifugal clutch (adjustable) 
Driveline  

KTM 50 SX Junior Performance

Top Speed  
Acceleration 0 to 100 km/h (0 to 62 mph)  
Acceleration 0 to 400m (1/4 mile)  
Recuperation 60 to 140 km/h in highest gear  
Fuel Consumption - MPG - Economy - Efficiency  
CO2 emissions  
Emissions  

KTM 50 SX Junior Electrical Systems, Ignition and Equipment

Ignition Type Seletra analogue 
Electrical Details  
Starter Type Kick 
Instruments  
Lights