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...st own motorcycle, a tandem 125 cc twin. The machine was designed by [[Jan Witteveen]], who later would create a ''Furore'' for the manufacturer [[Aprilia]]. ...da]] and [[Dervis Macrelli]]. The engine design was by the Dutch tuner Jan Witteveen who designed the 125 cc [[Gilera]] MX engine. [http://www.eurospares.com/in

...cember 2001 by Aprilia's president, Ivano Beggio, and their race boss, Jan Witteveen. The Cube is powered by a 990 [[cubic centimeter|cc]] [[straight-3|inl