What category is the 2021 KTM 50 SX Mini?

The 2021 KTM 50 SX Mini has a Category of Minibike, cross.

What is the engine size of the 2021 KTM 50 SX Mini?

The 2021 KTM 50 SX Mini has a Capacity: of 49.8 ccm (3.04 cubic inches).

What type of engine does the 2021 KTM 50 SX Mini have?

The 2021 KTM 50 SX Mini has a Engine type of Single cylinder, two-stroke.

Is the 2021 KTM 50 SX Mini air cooled or liquid cooled?

The 2021 KTM 50 SX Mini has a Cooling system of Liquid.

How many gears does the 2021 KTM 50 SX Mini have?

The 2021 KTM 50 SX Mini has a Gearbox of Automatic.

How much does the 2021 KTM 50 SX Mini weigh?

The 2021 KTM 50 SX Mini has a Dry weight of 40.0 kg (88.2 pounds).

What is the seat height of the 2021 KTM 50 SX Mini?

The 2021 KTM 50 SX Mini has a Seat height of 558 mm (22.0 inches) If adjustable, lowest setting..

KTM 50 SX Mini - 2021 Specifications and Reviews

The 2021 KTM 50 SX Mini is a competitive minibike engineered for young riders and beginners seeking an entry point into off-road racing. Built around a lightweight 49.8cc two-stroke engine with liquid cooling and automatic transmission, it delivers responsive performance and easy handling. Known for its aggressive styling and professional-grade suspension, the 50 SX Mini excels in motocross training and recreational riding.

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2021

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Engine and Transmission Specifications
Clutch	Centrifugal
Transmission type	Chain (final drive)
Gearbox	Automatic
Cooling system	Liquid
Fuel control	Double Overhead Cams/Twin Cam (DOHC)
Bore x Stroke	39.5 x 40.0 mm (1.6 x 1.6 inches)
Engine type	Single cylinder, two-stroke
Capacity:	49.8 ccm (3.04 cubic inches)

Category	Minibike, cross
Year	2021
Model	KTM 50 SX Mini
Brakes, suspension, Frame and wheels
Rear brakes	Single disc
Diameter	160 mm (6.3 inches)
Front brakes	Single disc
Rear wheel travel	147 mm (5.8 inches)
Rear Suspension	XACT WP mono shock
Front wheel travel	100 mm (3.9 inches)
Front Suspension	XACT 35 WP Upside-Down fork, Ã˜ 35 mm
Rake (fork angle)	24.0°
Frame type	25CrMo4 steel central-tube

Physical measures and capacities
Fuel capacity	2.10 litres (0.55 US gallons)
Ground clearance	184 mm (7.2 inches)
Seat height	558 mm (22.0 inches) If adjustable, lowest setting.
Dry weight	40.0 kg (88.2 pounds)
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Starter	Kick
Color options	White/orange/black

Performance Profile & Rider Fit

5.5 hp

Peak Power (est.)

Best For

Track30%

City2%

Cornering40%

Daily Riding3%

Touring1%

Passenger0%

Rider Profile

Best For	This machine is built exclusively for young beginner riders taking their very first steps into motocross, typically aged around four to seven years old.
Purpose	It exists purely to teach small children the basics of throttle control, balance, and off-road riding on a real motocross-style bike in a safe, controlled way.
Rider Fit	Its tiny 40 kg dry weight, low 684 mm seat height, and single-speed automatic clutch mean it demands almost no physical strength or shifting skill from its young rider.
Character	It behaves like a proper miniature motocrosser, with real suspension, a real frame, and real brakes, giving a authentic but gentle introduction to dirt bike riding.
Not Ideal For	It is completely unsuitable for adults, teenagers, road use, touring, or any rider who has outgrown beginner-level youth motocross machines.

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

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Rider Reviews

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MotorcycleDB Review

The 2021 KTM 50 SX Mini is a top-of-the-line motorcycle designed specifically for young riders. With its high-quality construction and reliable performance, this mini bike is perfect for aspiring motocross champions. The 50 SX Mini features a powerful 2-stroke engine, adjustable suspension, and a lightweight chassis for easy handling. Its compact size and user-friendly controls make it an ideal choice for kids who are just learning to ride off-road. Overall, the 2021 KTM 50 SX Mini offers exceptional quality and performance for young riders looking to hone their skills on the track. The 2021 KTM 50 SX Mini is a fantastic option for young riders who are serious about motocross. This mini bike is packed with advanced features that deliver a thrilling riding experience while prioritizing safety and control. The bike's modern design, powerful engine, and durable construction set it apart from other motorcycles in its class. Whether it's hitting the jumps, navigating tight corners, or tearing up the trails, the 2021 KTM 50 SX Mini is sure to impress young riders and their parents alike.