50 SX 2021
KTM 50 SX 2021 for Sale at KTM Epping in Epping, VIC | Specifications and Review Information
NEVER TOO YOUNG TO LEARN
The KTM 50 SX is a true KTM for young MX riders aged between 4 and 10 years old. It is a genuine dirt bike that, like its bigger siblings, is produced with top-quality components. This makes the KTM 50 SX the first choice when stepping into the world of MX. Developed with the youngster in mind, this package has an engine that delivers steady, controllable power, incorporating an automatic clutch that is ideal for novice riders. It also features the latest WP XACT front fork with revolutionary AER technology, fully adjustable rear suspension, ultra-cool graphics and the ability to make going fast fun.
ENGINE & EXHAUST
The high performance cylinder sets in conjunction with the pipe and reed intake system the performance standard within the highly competitive 50cc 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.
COOLING
Like the big KTM bikes, the 50 SX has a liquid cooling system, which even cools the crankcase. Generously sized radiators ensure outstanding heat dissipation for high reliability, even under extremely heavy duty.
EXHAUST
The exhaust system provides a high output and a smooth power delivery over the entire rev range.
CHASSIS
KTM engineers just love dropping weight year after year. The result: the 2019 KTM SX models are the slimmest, lightest dirt bikes out there.
FRAME
The modern frame produced by WP Performance Systems is made of 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 big KTM factory racers, the 50 SX has super lightweight, black anodized, aluminum rims providing highest strength and safety. The OEM knobbly MAXXIS tires grip superbly on any surface.
FRONT SUSPENSION
The KTM 50 SX has a modern, fully adjustable air fork: the WP AER 35, made by WP Suspension. This upside-down front fork with 35mm tube diameter and 205mm 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 just with a simple air fork pump.
REAR SUSPENSION
On the rear wheel a WP shock absorber linked directly to the swingarm provides excellent damping performance and is fully adjustable in order set the damping perfectly to rider's preferences and track conditions. The rear wheel travel is 185mm.
BRAKES
The 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. This ensures the best deceleration and the highest standard when it comes to safety.
ERGONOMICS & COMFORT
READY TO RACE ergonomics give you the edge on the track, ride harder for longer.
HANDLEBAR
The ergonomic Renthal handlebar made from a high-quality aluminum alloy ensures the highest levels of stability and safety. A Renthal crash pad around the centre brace protects the rider from hard knocks.
BODYWORK & GRAPHICS
The bodywork is derived from the full-size SX models and provides perfect ergonomics, well thought-out contact points for the rider and maximum freedom of movement. In addition, smart design solutions for the new front and rear fenders are prime examples of an intelligent design, which guarantees maximum stability through a well thought-out structure and mounting.
DECALS
The 2019 SX models feature the latest in-mold graphics, matching the factory-look orange frames and new bodywork perfectly. They have a fast and aggressive style that screams READY TO RACE, leaving no doubt as to the bikes' high-performance intentions.
SOFTWARE & ELECTRONICS
The latest technology, reduced to the minimum: READY TO RACE
ENGINE
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Transmission
Single-speed automatic
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Starter
Kickstarter
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Stroke
40 mm
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Bore
39.5 mm
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Clutch
Centreifugal clutch (adjustable)
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Displacement
49 cm3
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Design
1-cylinder, 2-stroke engine
CHASSIS
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Weight (Without Fuel)
41.5 kg
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Tank Capacity (Approx.)
2.3 l
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Front Brake Disic Diameter
160 mm
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Rear Brake Disic Diameter
160 mm
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Front brake
Disc brake
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Rear brake
Disc brake
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Chain
1/2 x 3/16"
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Frame Design
25CrMo4 steel central-tube frame
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Front Suspension
XACT 35 WP Upside-Down fork, Ø 35 mm
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Ground Clearance
252 mm
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Rear Suspension
XACT WP mono shock
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Seat height
684 mm
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Steering head angle
66 °
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Suspension Travel (Front)
205 mm
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Suspension Travel (Rear)
185 mm
The illustrated vehicles may vary in selected details from the production models and some illustrations feature optional equipment available at additional cost. All information concerning the scope of supply, appearance, services, dimensions and weights is non-binding and specified with the proviso that errors, for instance in printing, setting and/or typing, may occur; such information is subject to change without notice. Please note that model specifications may vary from country to country.
The consumption values stated refer to the roadworthy series condition of the vehicles at the time of factory delivery.