Marc Marquez has been hit with a penalty for a tyre pressure rule infraction in the MotoGP Dutch Grand Prix, dropping him to 10th.Under the current rules, riders must race for 30% of a sprint and 60% of a grand prix within the minimum tyre pressures – which for the front is 1.8 bar (26.1psi).Marquez fell foul of this limit in Sunday’s Assen race and has been hit with an 18-second time penalty ...
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