KTM 500 MX 1990 - Specifications & Review

Introducing the 1990 KTM 500 MX, a legendary machine that defined the motocross landscape of the early '90s. As a member of KTM's celebrated line of cross-motocross motorcycles, the 500 MX stands out for its raw power and lightweight design, making it a favorite among both amateur enthusiasts and seasoned racers. With its aggressive styling and vibrant graphics, this motocross beast is more than just a bike; it’s a statement of speed and agility, ready to tackle the toughest tracks and trails.

At the heart of the KTM 500 MX lies a formidable 498cc single-cylinder, two-stroke engine, generating an impressive 65 horsepower at 5900 RPM. This power is complemented by a torque output of 80 Nm at just 2000 RPM, providing riders with exhilarating acceleration and the ability to conquer steep inclines and challenging terrains. The liquid-cooled engine is paired with a Dell'Orto VHSP 38 carburettor, ensuring precise fuel delivery and a responsive throttle. With a power-to-weight ratio of 0.6311 HP/kg, the 500 MX delivers a thrilling ride characterized by its quick handling and remarkable stability, allowing riders to effortlessly navigate through corners and rough patches.

The KTM 500 MX is built for performance, featuring a robust WP rear suspension that provides 340 mm of travel, ensuring a plush ride over bumps and jumps. With both the front and rear brakes equipped with single discs, stopping power is reliable and responsive, making it easy to control the bike in any situation. The motorcycle's dimensions are thoughtfully designed, with a seat height of 965 mm and a ground clearance of 381 mm, catering to a wide range of riders while maintaining its agility on the track. The 500 MX is also available in 4 or 5-speed configurations, allowing riders to choose the transmission that best suits their style and racing conditions.

Pros:

1. Powerful Engine: The 498cc two-stroke engine delivers exhilarating performance, perfect for competitive motocross.
2. Lightweight Design: At just 103 kg, the KTM 500 MX offers excellent maneuverability and handling on various terrains.
3. Advanced Suspension: The WP suspension system provides exceptional travel and control, ensuring a smooth ride even on the roughest tracks.

Cons:

1. Limited Fuel Capacity: With a fuel tank capacity of only 12.11 liters, frequent refueling may be necessary during long rides or races.
2. High Seat Height: The seat height may pose a challenge for shorter riders, affecting their confidence and control.
3. Two-Stroke Maintenance: The two-stroke engine may require more frequent maintenance and tuning compared to four-stroke engines, which could be a consideration for casual riders.

In summary, the 1990 KTM 500 MX is not just a powerful motocross machine; it is a piece of history that continues to inspire and thrill riders to this day. With its combination of performance, technology, and distinctive design, it stands as a testament to KTM's commitment to excellence in the world of motocross.