What category is the 2018 KTM 50 SX?

The 2018 KTM 50 SX has a Category of Cross / motocross.

What is the engine size of the 2018 KTM 50 SX?

The 2018 KTM 50 SX has a Capacity: of 49.00 ccm (2.99 cubic inches).

What type of engine does the 2018 KTM 50 SX have?

The 2018 KTM 50 SX has a Engine type of Single cylinder, two-stroke.

Is the 2018 KTM 50 SX air cooled or liquid cooled?

The 2018 KTM 50 SX has a Cooling system of Liquid.

How many gears does the 2018 KTM 50 SX have?

The 2018 KTM 50 SX has a Gearbox of 1-speed.

How much does the 2018 KTM 50 SX weigh?

The 2018 KTM 50 SX has a Dry weight of 41.5 kg (91.5 pounds).

What is the seat height of the 2018 KTM 50 SX?

The 2018 KTM 50 SX has a Seat height of 684 mm (26.9 inches) If adjustable, lowest setting..

KTM 50 SX - 2018 Specifications and Reviews

The 2018 KTM 50 SX is an entry-level two-stroke dirt bike designed for young riders aged 4-8 years old, offering an ideal balance of performance and manageability. Known for its lightweight construction, responsive handling, and KTM's proven reliability, it features adjustable power output for gradual skill development. The compact frame, low seat height, and nimble character make it the go-to choice for beginners entering competitive youth motocross.

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2018

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Engine and Transmission Specifications
Clutch	Centrifugal clutch
Transmission type,final drive	Chain
Gearbox	1-speed
Cooling system	Liquid
Lubrication system	Mixture oil lubrication
Ignition	Seletra 2p D36
Fuel system	Carburettor. Mikuni TMX
Bore x Stroke	39.5 x 40.0 mm (1.6 x 1.6 inches)
Engine details	Reed intake
Engine type	Single cylinder, two-stroke
Capacity:	49.00 ccm (2.99 cubic inches)

Category	Cross / motocross
Year	2018
Model	KTM 50 SX

Brakes, suspension, Frame and wheels
Wheels	Wire spoked
Rear brakes diameter	160 mm (6.3 inches)
Rear brakes	Single disc. Two-piston calipers.
Front brakes diameter	160 mm (6.3 inches)
Front brakes	Single disc. Four-piston calipers.
Rear wheel travel	185 mm (7.3 inches)
Rear Suspension	WP shock absorber
Front wheel travel	205 mm (8.1 inches)
Front Suspension	WP upside-down Ø 35 mm
Rake (fork angle)	24.0°
Frame type	Central-tube frame with double-cradle
Physical measures and capacities
Fuel capacity	2.30 litres (0.61 gallons)
Wheelbase	1,032 mm (40.6 inches)
Ground clearance	252 mm (9.9 inches)
Seat height	684 mm (26.9 inches) If adjustable, lowest setting.
Dry weight	41.5 kg (91.5 pounds)

Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Comments	The engine power can be restricted to 5.5 hp with a kit.
Starter	Kick
Color options	Orange/white/black

Performance Profile & Rider Fit

Best For

Track55%

City5%

Cornering60%

Daily Riding5%

Touring5%

Passenger0%

Rider Profile

Best For	This is a first motorcycle built for young children just starting out in motocross, not for teen or adult riders of any skill level.
Purpose	It exists purely to teach a child the fundamentals of balance, throttle control, and off-road riding in a safe, low-powered package.
Rider Fit	Its very low 653 mm seat height and lightweight small-bore chassis are sized specifically for small children, with an adjustable centrifugal clutch to tailor power delivery to their skill.
Character	It behaves like a purpose-built miniature dirt bike, docile and forgiving with an automatic single-speed gearbox that removes clutch and shifting complexity so a child can focus on riding.
Not Ideal For	It is not suitable for adults, taller teens, road use, touring, or anyone seeking real speed or highway capability.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2018 KTM 50 SX Rider Ergonomics Assessment

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Feet:

At 684mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2018 KTM 50 SX, with a cramped knee angle of around 55 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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Rider Reviews

Total comments: 1

MotorcycleDB Review

The 2018 KTM 50 SX motorcycle is an ideal choice for young riders looking to enter the world of motocross. This bike is designed with top-of-the-line technology and features, including a liquid-cooled engine and adjustable suspension. The lightweight frame and compact design make it easy to handle for young riders, while still providing the power and performance needed for off-road racing. With its high-quality construction and reliable performance, the KTM 50 SX is a top contender in the youth motocross market. Overall, the 2018 KTM 50 SX motorcycle is a top choice for young riders looking to get into motocross racing. Its advanced features and durable construction make it a reliable and high-performing option for kids who are serious about their off-road riding. Whether it's for competitive racing or recreational use, the KTM 50 SX delivers top-notch performance and handling that young riders will appreciate.