All teams used series-specified
Pirelli tyres and
Triumph 765cc
3-cylinder engines.
Team changes • Yamaha VR46 Master Camp Team left the championship after
Yamaha and
VR46 ended their three-year partnership. They were replaced by
Blu Cru Pramac Yamaha Moto2, which opted to run the
Boscoscuro chassis instead of the
Kalex. •
Elf Marc VDS Racing Team ended their 13-year partnership with Kalex and also switched to Boscoscuro. •
Pertamina Mandalika SAG Team withdrew from the Moto2 world championship after fifteen seasons. No official statement was made.
Rider changes •
David Alonso,
2024 Moto3 World Champion, made his intermediate class debut with the
CFMOTO Aspar Team. He was joined by
Daniel Holgado, who finished second to Alonso in 2024. •
Collin Veijer made his intermediate class debut with
Red Bull KTM Ajo, replacing
Celestino Vietti, who switched to
Speed Up Racing, replacing
Fermín Aldeguer, who stepped up to the premier class with
Gresini Racing. •
Jake Dixon left the CFMOTO Aspar Team to join forces with
Elf Marc VDS Racing, replacing
Tony Arbolino, who linked up with the
Pramac Yamaha Moto2 Team. He was paired up with
Izan Guevara, who also left the CFMOTO Aspar Team after two seasons. •
Jeremy Alcoba left the championship to join the
Supersport World Championship. •
Darryn Binder left Liqui Moly Dynavolt Intact GP after two seasons to join Gresini Racing, switching teams with
Manuel González, who joined Liqui Moly Dynavolt Intact GP in place of Binder. •
Adrián Huertas,
2024 Supersport World Championship champion, made his Grand Prix debut with Italtrans Racing this season. He replaced
Dennis Foggia, who returned to
Moto3 with the CFMOTO Aspar Team. •
Ayumu Sasaki moved to
RW-Idrofoglia Racing GP on a new two-year deal, replacing
Barry Baltus, who joined Fantic Racing, taking over the seat from
Xavier Cardelús, who left for the
Supersport World Championship. •
Iván Ortolá made his intermediate class debut with MT Helmets-MSi, replacing 2024 Moto2 World Champion
Ai Ogura, who stepped up to the premier class with
Trackhouse Racing. •
Yuki Kunii returned to the world championship, making his intermediate class debut with Idemitsu Honda Team Asia, replacing
Somkiat Chantra, who stepped up to the premier class with
LCR Honda. •
Jorge Navarro made his full-time return to the intermediate class for the first time since
2022, replacing
Xavier Artigas at
Forward Racing.
Mid-season changes •
Sergio García missed the Thailand, Argentina and Americas rounds following an injury sustained during the official pre-season tests in Jerez. He was replaced by MotoE rider
Óscar Gutiérrez. After only eight rounds, MSi announced both ends had mutually agreed to part ways with immediate effect.
Eric Fernández, Moto2 European Championship rider, will take his place from the Italian round onwards. •
Álex Escrig and
Mario Aji missed the French round due to injuries sustained previously. Escrig was replaced by
Daniel Muñoz for the next two rounds, while Aji was not replaced at Le Mans. Escrig was diagnosed with a hemothorax injury and Aji injured his shoulder at Jerez. • Three riders missed the Silverstone round due to injuries:
Darryn Binder injured the ulna on his left arm at the previous round in Le Mans,
Adrián Huertas injured his left collarbone due to an incident involved at the French round and
Collin Veijer injured his arm while training. The mentioned riders were not replaced at the British GP, but in the case of Veijer, he was replaced by
Daniel Muñoz at the next round at Aragon. •
Nakarin Atiratphuvapat made his Moto2 return as a replacement for the injured
Mario Aji for the next rounds starting at the Aragon GP, due to a dislocation on the shoulder for the Indonesian rider, but for the rounds in Sachsenring and Brno, there was another return, in the case of
Taiga Hada as a replacement for Aji. Then, the Thailand rider returned for the next rounds at Austria and Hungary, and Aji returned for the next round at Barcelona. •
Unai Orradre will race for the remainder of the season, taking the ride of the Boscoscuro's MSi Team, starting from the Austrian GP, as a replacement for
Eric Fernández, who parted ways with the team. •
Deniz Öncü will miss several rounds due to an injury in his left leg while training in Turkey. He will be replaced by
Daniel Muñoz from the Austrian round onwards. •
Sergio García made his return at the Hungarian round, as a replacement for the injured
Senna Agius, who sustained neck and head trauma due to a crash at the previous round at the Red Bull Ring. •
Harrison Voight will make his return at the next two rounds in Australia and Malaysia, as a replacement for the injured
Unai Orradre due to an injury on his left wrist for the Spaniard rider, in a crash sustained at the previous round in Motegi. •
Sergio García will make his comeback once again for the final two rounds of the season as a Gresini rider. He will replace
Darryn Binder who will miss the last races due to surgery on his left arm. •
Xabi Zurutuza will make his Moto2 debut as an American Racing rider, in place of the injured
Joe Roberts for the final two rounds of the season. •
Eric Fernández will return to the MSi Team, replacing
Unai Orradre for the final two rounds of the season. ==Rule changes==