Model Description


The KTM 50 SX is a true READY TO RACE motocross machine. It is a genuine dirt bike that, like its bigger siblings, is produced with top-quality components, real race-bred input, and thoughtful development. It goes without saying that the KTM 50 SX is the only choice when stepping into the world of MX.
 
ENGINE
The high performance cylinder, exhaust pipe and reed intake system are perfectly arranged for maximum performance, setting the standard in the highly competitive 50 cc class. 
 
CLUTCH
Developed by KTM, the centrifugal multi-disc automatic clutch provides manageable acceleration and makes riding this motorcycle the easiest thing in the world. It can be adjusted to the specific requirements of the track and the rider in minutes and without any special tools. 
 
POWER REDUCTION KIT
For those future stars who are still absolute beginners, the engine power can be reduced using a kit from the PowerParts program. Afterall, we all had to start somewhere.
 
COOLING
Like the full-sized KTM SX range, the 50 SX has a liquid cooling system, which even cools the crankcase. This is supported by large radiators providing outstanding heat dissipation, for remarkable reliability.
 
EXHAUST
The exhaust system was designed to perfectly match the characteristics of the engine, ensuring maximum output and a smooth power delivery over the entire rev range.
 
FRAME
The modern frame is made from lightweight, high strength chromoly steel profiles and combines maximum longitudinal stiffness with optimum torsional rigidity. It guarantees easy handling and precise cornering, but also outstanding stability. 
 
WHEELS
Like the full-size KTM Factory racers, the 50 SX has super lightweight, black anodized, aluminum rims providing the highest strength. These are fitted with OEM MAXXIS knobbly tires, to provide unmatched traction on any surface.
 
FRONT SUSPENSION
The KTM 50 SX boasts a modern WP XACT fork with AER technology – just like the big bikes! The upside-down front fork with a 35 mm tube diameter and 205 mm of travel ensures outstanding comfort, damping characteristics and directional stability. Another main benefit for junior riders is that the air spring fitted in the left fork leg can be adjusted perfectly to the rider’s weight using a simple air pump.
 
REAR SUSPENSION
The high quality WP XACT shock absorber is linked directly to the swingarm, providing excellent damping performance. It is fully adjustable, meaning you can set the damping perfectly to suit any growing young racer and track conditions. The shock absorber allows for 185 mm of rear wheel travel, meaning less chance of bottoming out. 
 
BRAKES
The KTM 50 SX is fitted with front and rear hydraulic brakes by FORMULA, combined with lightweight wave discs that are easy to control even for the youngest riders, helping to build thier confidence, and taching them correct brake control. 
 
HANDLEBAR
The KTM 50 SX uses a perfectly shaped handlebar made from a high-quality aluminum alloy. It provides a great feeling of control for the rider, helping with overall stability. A pad around the center brace also protects the rider from hard knocks.
 
GRAPHICS
The KTM 50 SX features the latest in-mold graphics, factory-look orange frame and race-sharpened bodywork, with a fast and aggressive style that screams READY TO RACE. There is no doubt that this little screamer is here to win races. 

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Model Specification


  • Engine

    Engine Type

    Single cylinder, 2-stroke

    Displacement

    49 cc

    Starter

    Kickstarter

    Transmission

    Single gear automatic

    Clutch

    Centrifugal clutch (adjustable)

    ABS System

    Engine Management System

  • Dimensions

    Bore

    39.5 mm

    Stroke

    40 mm

    Ground Clearance (unloaded)

    252 mm

    Seat Height

    665 mm

    Weight (No Fuel)

    41.5 kg

  • Frame

    Frame

    Central-tube frame with double-cradle

    Chain

    1/2 x 3/16

    Steering Head Angle

    66 degrees

    Tank Capacity

    2.3 litres

  • Suspension

    Front Suspension

    XACT 35 WP USD Fork 35 mm

    Rear Suspension

    XACT WP shock absorber

    Suspension Travel Front

    205 mm

    Suspension Travel Rear

    185 mm

  • Performance

    Brake System Front

    disc brake 160 mm

    Brake System Rear

    disc brake 160 mm

    Power

    Torque

  • Brakes

    Front Brake Disc Diameter

    Rear Brake Disc Diameter