In the Grand Prix 1 25 cc and 250cc practice sessions, a rider may practice on only one motorcycle.A rider may make a change to another motorcycle only in the case 0f irreparable damage to the first machine.

• 在125cc和250cc大奖赛练习赛中,一位车手只可以用一辆摩托车,车手只有在第一辆摩托车损坏了无法修理的情况下才可以更换第二辆车。