Seurat, Piron and Queirel partnered shortly after 1970, the best known of them being Marcel Seurat.
Produced in France in the 1970s, the Ossa SPQ was equipped with a well-designed chassis and a modified Ossa engine which delivered 35 hp.
The first model was the SPQ 255 (250cc/5speed) fitted with the new Colombo-designed 5-speed Ossa engine. The machine was a road-racer which could be registered. Production began on January 1st 1970, with an output of one machine per day. It was ready for the French racing season.
The double-cradle frame, built by the P. Piron company, had larger diameter tubing with thinner walls, with extra support for the steering head and swing-arm mounts.
The SPQ used the 18" wheels, 158mm front brake, front suspension and Girling shocks from the Ossa 250 Sport.
With bodywork by Technoplast, it was available in orange, blue or white, with a chrome or painted frame.
It weighed 86 kg and delivered a top speed of 170 km/h.
Three prototypes of an MX machine were built in 1971, but it did not enter production and the project was shelved.
1973 saw the introduction of two new models, the 250 SPQ Criterium and the 250 SPQ Sport Course, the latter a competition machine with a 38hp engine and 200 km/h top speed.
The SPQ excelled in French hillclimbing and criterium races over throughout the 1970s.
Seurat was also a driving force with the Royal Moto, and later with BPS. His name is given to an Ossa twin, the Seurat 500, built by Jacky Doubre. It is believed that two of these have survived.
Seurat gave a strong boost to quite a number of young riders, among them Stéphane Peterhansel, Laurent Pidoux, and the Chambon brothers.
Sources: clubossafrance.com, Moto-Histo.com
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