KTM 50 SX 2007 - Specifications & Review

Introduction to the 2007 KTM 50 SX

The 2007 KTM 50 SX is a standout entry in the minibike-cross category, specifically designed for young riders looking to make their mark in the world of motocross. With its vibrant orange and black livery, this bike not only exudes the bold spirit of KTM but also offers a robust platform for aspiring motocross champions. Weighing in at a mere 38.8 kg (85.5 pounds), the 50 SX is nimble and lightweight, making it an ideal choice for younger riders who are ready to transition from beginner bikes to more competitive machines.

Engine Performance and Riding Characteristics

At the heart of the KTM 50 SX lies a spirited 49cc single-cylinder, two-stroke engine that’s finely tuned for performance and responsiveness. With a bore and stroke of 39.5 x 40.0 mm, this little powerhouse is capable of delivering a thrilling ride, thanks to its adjustable centrifugal clutch and liquid cooling system. The Dell'Orto PHBG 19 BS carburettor ensures a smooth throttle response, allowing young riders to confidently navigate twists and turns on the track. The bike's design promotes a low seat height of just 650 mm (25.6 inches), enabling riders to maintain control and maneuverability while developing their skills. The overall riding experience is enhanced by the bike's lightweight frame and excellent power-to-weight ratio, making it an exhilarating choice for budding motocross enthusiasts.

Key Features and Technology

The 2007 KTM 50 SX is not just about raw power; it’s equipped with a host of features that enhance both safety and performance. The central double-cradle-type frame provides exceptional rigidity, while the Marzocchi front suspension and WP monoshock rear suspension work together to absorb bumps and ensure stable handling on rough terrain. The bike is equipped with single disc brakes at both the front (160 mm) and rear (140 mm), offering reliable stopping power for young riders who are still mastering their braking techniques. Additionally, the 50 SX boasts an impressive ground clearance of 255 mm (10.0 inches), allowing it to tackle obstacles with ease, making it suitable for various track conditions.

Pros and Cons

Pros:

1. Lightweight and agile: At just 38.8 kg, the bike is easy for young riders to handle, fostering confidence in their riding skills.
2. Powerful two-stroke engine: The 49cc engine provides excellent acceleration and responsiveness, perfect for competitive racing environments.
3. Quality suspension setup: The Marzocchi and WP suspension components ensure a smooth ride, even on challenging tracks.

Cons:

1. Limited fuel capacity: With a 1.80-litre fuel tank, riders may need to refuel frequently during longer practice sessions or races.
2. Single-cylinder engine: While it provides great performance for its class, it may lack the top-end speed found in larger bikes.
3. Kick starter only: The absence of an electric start may be a drawback for younger riders who are still developing their starting techniques.

In summary, the 2007 KTM 50 SX is a fantastic choice for young riders eager to hone their motocross skills while enjoying the thrill of two-stroke power. With its combination of performance, comfort, and safety features, it sets the stage for countless adventures on the track.