The 600cc 4-stroke replace the GP 250

It is now official: after deliberation, the Grand Prix Commission unanimously adopted the Dorna project to replace the 250cc 2-stroke by 2011 by machines with 4-stroke engine with a maximum capacity of 600cc.. Explanations.

As we recently indicated (read), 250cc Grand Prix motorcycles will be replaced by 2011 by a less polluting, less expensive and more formative category for riders who could more easily access the premier category.

Despite the categorical refusal of European manufacturers such as Aprilia and KTM, it was finally a 4-cylinder engine of 600 cc maximum that was selected after a roundtable bringing together all parties, this afternoon on the Assen circuit.

"The Grands Prix commission, made up of MM. Carmelo Ezpeleta (President of Dorna), Claude Danis (FIM), Herve Poncharal (IRTA) and Takanao Tsubouchi (MSMA), in the presence of Mr. Paul Butler (secretary of the meeting), unanimously decided to introduce the following changes the rules of the road racing world championship of Grand Prix: replacing the 250 category from January 1, 2011, the Grand Prix commission accepted the following proposal, voted by the majority of the members of the MSMA (association of manufacturers): 4-stroke engine of 600cc maximum and 4-cylinder maximum. A request will be sent to all manufacturers. Applications from manufacturers interested in taking part in this new category must be sent to the FIM and Dorna before July 31, 2008", specifies the International Motorcycling Federation (FIM).

This outcome – predictable – therefore does not leave much hope for Aprilia and KTM, which do not have this engine and who certainly have neither the means nor the desire to develop one. From there to say – especially in view of the stranglehold of Aprilia on the 250 category for several seasons – that this was the desired goal…

Anyway, this new category will also lead to direct competition with the Mondial Supersport (600cc) … It remains to be seen what its financial impact will be. Site will keep you informed of future developments … Stay connected !

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