Ducati fears a "dangerous" precedent has been set by the decision to penalise just Yamaha and not its MotoGP riders for racing illegal engines at the Spanish Grand Prix. An FIM investigation into the use of non-homologated valves in the engines of Maverick Vinales, Valentino Rossi, Fabio Quartararo and Franco Morbidelli at the opening round at Jerez concluded on Thursday that Yamaha contravened the rules. The sanction centred on Yamaha having not gained unanimous approval from the manufacturers' association to change the valves from the ones it had submitted with its sample engine design for homologation pre-season. Yamaha was docked 50 constructors' points, amounting double that...
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