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Ossa Phantom: The Game Changer in Motocross History

The 1974 Ossa Phantom marked a significant turning point in the world of motocross racing. This lightweight, powerful machine challenged the status quo and proved that European manufacturers could still compete against the rising tide of Japanese bikes. In this article, we’ll explore the history and legacy of the 1974 Ossa Phantom, from its development and features to its impact on the motocross world.

The Birth of the Ossa Phantom

By the early 1970s, it was clear that motocross was the future for motorcycle manufacturers. Top Ossa rider Dick Mann had already started taking a motocross bike along with him as he campaigned the AMA Grand National circuit. U.S. Ossa importer John Taylor was quick to realize that the stakes in motocross were rapidly rising, and with the arrival of the 1973 Honda Elsinore CR250, the pressure was on for European manufacturers to step up their game.

Development and Design

In mid-1973, Ossa began developing a radical, lightweight bike that combined the powerful and durable Stiletto motor with an ultra-light, state-of-the-art chassis. Named the Phantom, it was considered the first sub-200-pound production 250cc motocrosser, weighing 15 pounds lighter than the Elsinore.

The Phantom featured a sleek cyan blue and orange bodywork that adorned a chromoly frame, complete with an all-aluminum swingarm. Only the best European components were used, such as Betor forks and shocks, Akront shoulder-less rims, and Pirelli tires. The 33-horsepower engine weighed just 60 pounds and was equipped with a Bing carburetor and Motoplat CDI ignition. An under-slung, snakelike, thin-wall exhaust system further emphasized its status as a serious race machine.

The Phantom’s Performance and Specifications

The 1974 Ossa Phantom was built to be fast and reliable, with a focus on handling and power. Here are some of the key specifications that set the Phantom apart from its competitors:

Engine: Two-stroke, Piston Port
Bore & Stroke: 72mm x 60mm
Carburetor: 36mm Bing
Compression Ratio: 12.5:1
Ignition: Motoplat CDI
Displacement: 244cc
Primary: Gear Driven
Transmission: 5-Speed
Starting: Left Side, Kick Only
Chassis: Chrome Moly, Double Down Tube
Suspension: Betor Fork & Shocks, Alloy Swing-arm
Brakes: SLS Drum, Front & Rear
Wheels/Tires (stock): 3.00 x 21 / 4.00 x 18
Horsepower: 33HP
Wheelbase: 55 Inches
Weight: 198 Pounds

The Demise of Ossa

Unfortunately, the success of the Phantom couldn’t save Ossa from the economic challenges faced by Spain during Generalissimo Franco’s declining years. The arrival of less-expensive Japanese motorcycles and the crippling employee strikes of 1977 led to the downfall of the company. In 1979, Ossa merged with Bultaco, but this failed to help, leading to the closure of Ossa’s doors in 1982. The company was briefly revived in 1985 and limped along until its merger with Gas Gas, which ultimately filed for bankruptcy.

The Legacy of the 1974 Ossa Phantom

Despite its eventual downfall, the 1974 Ossa Phantom left a lasting impact on the motocross world. Its innovative design and lightweight construction influenced future generations of motorcycles, and it remains a popular choice for vintage racers today.

Collectible Value and Restoration

The 1974 Ossa Phantom has become a sought-after collectible for motorcycle enthusiasts. A well-restored example can be valued at around $10,000. However, collectors should be cautious of any Phantoms with major frame modifications, as these can significantly decrease the bike’s value.

Racing Success and Influence

The Ossa Phantom was the bike of choice for several factory riders from 1971 to 1974, including John De Soto, Barry Higgins, and Dick Mann. Additionally, the Desert Phantom, a variant of the original Phantom, was used in the 1974 International Six Days Trials, further cementing the bike’s racing prowess.


The 1974 Ossa Phantom represented a significant milestone in motocross history, pushing the boundaries of innovation and performance. Its legacy continues to inspire and influence motorcycle design to this day, and the Phantom will always be remembered as a game changer in the world of motocross racing.