The 2024 KTM 50 SX Dirt Motorcycle is designed as a high-performance entry point into the 50 cc motocross category. It features an advanced steel frame, a powerful engine, WP XACT suspension components, and a hydraulic braking system. This model is built to deliver competitive performance while remaining suitable for young riders developing their skills.

2024 KTM 50 SX Dirt Motorcycle – Features and Specs
Before The Gate Adjustability
The 2024 KTM 50 SX Dirt Motorcycle offers multiple adjustment options to suit different rider sizes and skill levels. The suspension, handlebar position, sub-frame, and bodywork can be adjusted, allowing the seat height to range from 634 mm to 682 mm. This flexibility ensures young riders can achieve a comfortable, controlled riding position.
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Ignition
The 2024 KTM 50 SX Dirt Motorcycle features a digital ignition system with improved processing capability and a revised ignition curve. This results in smoother power delivery and more efficient combustion across the rpm range. The ignition timing has been optimised to match the updated engine design and performance characteristics.
Carburetor
The motorcycle uses a Dell’Orto PHBG 19 BS carburettor with updated settings that complement the engine, exhaust, and intake system. This setup ensures consistent fuel delivery and responsive performance.

Start Strong Performance
The 2024 KTM 50 SX Dirt Motorcycle is powered by a compact two-stroke engine designed with a three-shaft layout. The crankshaft is located close to the centre of gravity to improve balance and mass centralisation. The engine produces about 15 horsepower and is engineered to deliver strong, consistent performance.
Power-Reduction Kits
Optional power-reduction kits make the motorcycle suitable for beginners. One kit reduces output to approximately 4 horsepower for entry-level riders, while another provides around 8 horsepower for intermediate riders.
Clutch
The 2024 KTM 50 SX Dirt Motorcycle is equipped with an automatic centrifugal clutch that simplifies operation for young riders. The multi-disc design ensures smooth and predictable power delivery. The clutch can be adjusted to suit rider preference or track conditions without requiring special tools. A reinforced clutch basket improves durability and consistent performance.
Spark Plug
The 2024 KTM 50 SX Dirt Motorcycle uses an updated spark plug with a longer thread, reducing the risk of damage. The part number is clearly marked on the component for easy identification.
Calm Under Fire Tank
The fuel tank has been redesigned to match the updated frame and bodywork, improving ergonomics and overall design integration.

Airbox and Filter
The airbox features a new design with a durable suction sleeve and an improved filter mounting system. The filter is located under the seat and can be accessed easily without tools like it was in 2023 KTM 50 SX. The system also reduces the risk of dirt entering the intake during maintenance.
Ergonomics
The dirt motorcycle’s ergonomics are inspired by full-size KTM SX models, with a slimmer design that allows better control while standing. The bodywork is shaped to improve rider grip and movement, while the seat profile supports a comfortable riding position.
Handlebars & Grips
The bike features a lightweight aluminium handlebar designed for stability and vibration reduction. The handlebar profile is optimised for young riders, and the grips provide secure control. A protective pad is included to enhance rider safety.
Frame
The motorcycle uses a high-strength chromium-molybdenum steel frame designed for optimal rigidity and flexibility. The frame structure improves handling and durability while maintaining a lightweight construction. It also includes protective elements to reduce wear.
Hit the Big Stuff Wheels & Tires
The motorcycle is equipped with lightweight aluminium rims designed for strength and reliability. The tyres provide strong traction and stability across different track conditions, supporting consistent performance.
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Footpegs
The footpegs provide a larger contact area for improved grip and control. Their design also reduces the likelihood of interference with obstacles during riding.
Suspension
The front suspension uses a 35 mm WP XACT AER fork with adjustable air pressure and 205 mm of travel, letting riders customise performance. The rear suspension features a fully adjustable WP XACT monoshock, providing balanced handling and effective damping across various conditions.
Brakes
The motorcycle is equipped with hydraulic brake callipers and advanced disc brakes at both ends. This system delivers strong, consistent braking performance, even in challenging conditions such as wet or muddy tracks.
Maintaining Momentum Exhaust
The exhaust system is designed for better performance and efficiency. It features enhanced construction quality and improved sealing, contributing to better thermodynamic performance and durability. The silencer design also enhances the motorcycle’s sound characteristics.
Radiator
The cooling system uses a single large radiator with increased capacity, improving heat management and efficiency. The design allows better airflow and integration within the frame.
Hour Meter
An hour meter is positioned behind the front number plate, allowing riders to track engine usage and maintenance intervals easily.
Graphics
The 2024 KTM 50 SX Dirt Motorcycle features durable graphics applied using an in-mould process, ensuring long-lasting quality and a professional appearance.

2024 KTM 50 SX Dirt Motorcycle – Technical Specifications
Engine
| Transmission | Single-speed automatic |
| Starter | Kickstarter |
| Stroke | 40.7 mm |
| Bore | 39.5 mm |
| Clutch | Centrifugal clutch (adjustable) |
| Displacement | 49.9 cm³ |
| EMS | Seletra 2p D36 |
| Design | 1-cylinder, 2-stroke engine |
Chassis
| Weight (Without Fuel) | 42.5 kg |
| Tank Capacity (Approx.) | 2.3 l |
| Front Brake Disc Diameter | 160 mm |
| Rear Brake Disc Diameter | 160 mm |
| Front Brake | Disc brake |
| Rear Brake | Disc brake |
| Chain | 415, Non-sealed |
| Frame Design | Chrome-molybdenum steel central-tube frame |
| Front Suspension | XACT 35 WP Upside-Down fork, Ø 35 mm |
| Ground Clearance | 233 mm |
| Rear Suspension | XACT WP mono shock |
| Seat Height | 653 mm |
| Steering Head Angle | 66 ° |
| Suspension Travel (Front) | 200 mm |
| Suspension Travel (Rear) | 190 mm |
