Original price was: €1,500.00.€1,000.00Current price is: €1,000.00.
49 cc liquid-cooled, single-cylinder, two-stroke engine
Automatic centrifugal clutch
Carburetor fuel system
Approximate maximum power: 7 hp
Approximate maximum torque: 5 Nm
5-speed automatic transmission
Wet multi-plate clutch
Chromoly steel frame
Inverted telescopic front fork, fully adjustable
Linkage-type rear shock, fully adjustable
Front brake: 160 mm hydraulic disc
Rear brake: 140 mm hydraulic disc
Front tire: 2.50-10
The KTM 50 SX Auto 2020 Dirt Bike is a purpose-built motocross machine designed for the youngest riders entering the sport. Combining reliability, ease of use, and performance, this bike introduces children to motocross with an automatic clutch system, light frame, and responsive handling. The KTM 50 SX Auto 2020 Dirt Bike ensures a safe and fun first racing experience while providing real race‑bike DNA inspired by KTM’s championship-winning MX models.
Developed with the input of KTM’s professional racing engineers, the KTM 50 SX Auto 2020 Dirt Bike incorporates age-appropriate technology, making it the perfect bridge between small pit bikes and larger 65cc and 85cc race machines. Its design focuses on rider control, safety, and an approachable power delivery to help new riders build confidence on the track.
The heart of the KTM 50 SX Auto 2020 Dirt Bike is a 49 cc single-cylinder, two-stroke engine designed for lightweight, predictable performance. Unlike fully manual bikes, this model features an automatic centrifugal clutch, allowing young riders to focus on throttle control without worrying about clutch operation. This automatic system ensures smooth acceleration and helps prevent stalling — a common challenge for novice riders.
Fuel delivery is handled through a carefully tuned carburetor, providing consistent response while remaining forgiving for beginner riders. The engine produces enough power to excite young riders but remains manageable, giving parents confidence in their child’s safety. The bike is also equipped with a 5-speed automatic transmission, optimizing performance across the full RPM range. Dirt Bikes
The KTM 50 SX Auto 2020 Dirt Bike uses a lightweight chromoly steel frame, designed for durability and responsive handling. The frame geometry balances stability with maneuverability, allowing young riders to develop riding skills on berms, jumps, and straightaways.
Suspension is fully adjustable, providing a soft yet controlled ride. The front inverted telescopic fork offers smooth compression and rebound control, while the rear single shock with linkage keeps the rear wheel planted over bumps and small jumps. Both front and rear brakes are hydraulic disc types, offering safe stopping power with easy lever feel suitable for smaller hands.
The KTM 50 SX Auto 2020 Dirt Bike is ergonomically tailored for children aged 4–7 years, featuring a low seat height and narrow bodywork for easy reach and control. Key features include:
Low and slim seat for optimal leg reach
Easy-to-grip handlebars with throttle limiter option
Lightweight, race-inspired plastic bodywork
Durable footpegs sized for smaller riders
These design elements help children learn bike control and develop confidence safely, while also introducing them to authentic KTM styling.
| Feature | Specification |
|---|---|
| Engine | 49 cc single-cylinder, two-stroke |
| Fuel System | Carburetor |
| Transmission | Automatic centrifugal clutch, 5-speed |
| Frame | Chromoly steel frame |
| Front Suspension | Inverted telescopic fork, adjustable |
| Rear Suspension | Linkage-type shock, adjustable |
| Front Brake | Hydraulic disc |
| Rear Brake | Hydraulic disc |
| Seat Height | Approx. 630 mm |
| Dry Weight | Approx. 40 kg |
| Recommended Age | 4–7 years |
The KTM 50 SX Auto 2020 Dirt Bike is designed to teach riders the fundamentals of motocross. Its automatic clutch and adjustable throttle limiter allow beginners to safely learn throttle control, cornering, and braking without the frustration of stalling or overpowering the bike. Despite its youth-friendly setup, the bike maintains a true race-bike feel, ensuring a smooth transition to larger KTM models such as the 65 SX or 85 SX as children grow.
The light weight of the KTM 50 SX Auto 2020 Dirt Bike ensures quick handling and agile cornering, while the responsive suspension helps riders handle small jumps and uneven terrain with confidence.
The Yamaha PW50 is a popular beginner bike, featuring a fully automatic drivetrain. However, the KTM 50 SX Auto 2020 Dirt Bike provides more race-inspired ergonomics and adjustable suspension, preparing riders for future motocross racing.
While the Honda CRF50F is reliable and beginner-friendly, it lacks the adjustable suspension and race-style geometry of the KTM 50 SX Auto 2020 Dirt Bike, giving KTM a performance edge for youth riders transitioning to competition.
The Suzuki JR50 is a simpler pit bike alternative. The KTM 50 SX Auto 2020 Dirt Bike offers a more authentic race-bike experience, including adjustable clutch and throttle control, better preparing young riders for higher-level MX bikes.
The KTM 50 SX Auto 2020 Dirt Bike is one of the most popular youth motocross bikes on the market due to its combination of safety, performance, and race-bike DNA. In Europe, North America, and Australia, it’s a top choice for parents seeking an introductory motocross platform that builds skill, confidence, and excitement for competitive riding.
The KTM 50 SX Auto 2020 Dirt Bike is a premier entry-level motocross machine designed specifically for young riders. With its automatic clutch, adjustable suspension, lightweight frame, and race-inspired ergonomics, it introduces children to motocross in a safe, enjoyable, and performance-oriented way. As an investment in youth motocross development, the KTM 50 SX Auto 2020 Dirt Bike offers a seamless bridge to higher-performance KTM models while delivering a fun and confidence-building experience.
