Balap motor Grand Prix: Béda antarrépisi

Kelas 125&nbsp;cc diganti taun [[2012 Grand Prix motorcycle racing season#Class changes|2012]] ku kelad Moto3.<ref name = "motot3"/> Kelas ieu diwatesan pikeun mesin opat seher kapasitas 250 cc kalayan ''bore'' maksimum {{convert|81|mm|abbr=in}}.<ref name = "motot3"/> Beurat total minimum pikeun motor sarta purah balap nyaeta {{convert|148152|kg|abbr=on}}.<ref name = "motot3"/> Purah balap kelas Moto3 teu meunang leuwih kolot ti 28 taun, atawa 25 taun pikeun purah balap anyar kontrak nu mimiti ngiluan sarta ''wild-cards''.<ref name = "motot3">{{cite web|url=https://www.srm-sachsenring.de/en/motogp-en/what-is-motogp| title=What is MotoGP|work=srm-sachsenring.de|accessdate=2014-06-02}}</ref>